Hauptinhalt
Publikationen
2021
Photoexcitation Dynamics in Strongly Interacting Donor/Acceptor Blends Probed by Time-Resolved Photoluminescence Spectroscopy
Hofeditz, N , Gerhard, M, Theurer, CP, Hausch, J, Broch, K, Heimbrodt,W ,Koch, M
J. Phys. Chem. C. 125, 17194 (2021)
Influence of Mg-doping on the characteristics of ZnO photoanodes in dye-sensitized solar cells
Andreas Ringleb, Raffael Ruess, Nico Hofeditz, Wolfram Heimbrodt, Tsukasa Yoshidad and Derck Schlettwein
Phys. Chem. Chem. Phys. 23, 8393 (2021)
The influence of growth interruption on the luminescence properties of Ga(As,Sb)-based type II heterostructures
Luise Rost, Jannik Lehr, Milan Maradiya, Lukas Hellweg, Florian Fillsack, Wolfgang Stolz, Wolfram Heimbrodt
Journal of Luminescence 231, 117817 (2021)
2020
Transfer mechanisms in semiconductor hybrids with colloidal core/shell quantum dots on ZnSe substrates
M. Wilhelm, S. C. Kommadath and W. Heimbrodt
Nanotechnology 31, 505714 (2020)
Synthesis, Optical and Theoretical Characterization of Cationic Heteroleptic Iridium(III) Imidazo[1,5-a] pyridine and –quinoline Complexes
Jasmin Martha Herr, Carina Rössiger, Harald Locke, Mikko Wilhelm, Jonathan Becker, Wolfram Heimbrodt, Derck Schlettwein, Richard Göttlich
Dyes and Pigments 180, 108512 (2020)
2019
Spin-Layer- and Spin-Valley-Locking in CVD-Grown AA'- and AB-Stacked Tungsten-Disulfide Bilayers
Lorenz Maximilian Schneider, Jan Kuhnert, Simon Schmitt, Wolfram Heimbrodt, Ulrich Huttner, Lars Meckbach, Tineke Stroucken, Stephan W. Koch, Shichen Fu, Xiaotian Wang, Kyungnam Kang, Eui-Hyeok Yang, and Arash Rahimi-Iman
J. Phys. Chem. C 123 (35), 21813-21821 (2019)
Correlation of Optical Properties and Interface Morphology in Type-II Semiconductor Heterostructures
Luise Rost, Sebastian Gies, Markus Stein, Christian Fuchs, Siegfried Nau, Pirmin Kükelhan, Kerstin Volz, Wolfgang Stolz, Martin Koch, Wolfram Heimbrodt
J. Phys.: Condens. Matter 31, 014001 (2019)
2018
Optical determination of charge transfer times from indoline dyes to ZnO in solid state dye-sensitized solar cells
I. Meyenburg, N. Hofeditz, R. Ruess, M. Rudolph, D. Schlettwein, and W. Heimbrodt
AIP Adv. 8, 055218 (2018)
Density-dependent Excitonic Properties and Dynamics in 2D Heterostructures consisting of Boron Nitride and Monolayer or few-layer Tungsten Diselenide
L. M. Schneider, J. Kuhnert, S. Lippert, D. Renaud, W. Heimbrodt, O. Ajayi, Y.D. Kim, J.C. Hone, K.N. Kang, E.H. Yang und A. Rahimi-Iman
Proc. SPIE 10639, Micro- and Nanotechnology Sensors, Systems, and Applications X, 106390V (2018)
The Impact of the Substrate Material on the Optical Properties of 2D WSe2 Monolayers
L. M. Schneider, S. Lippert, J. Kuhnert, D. Renaud, K.N. Kang, O. Ajayi, M.-U. Halbich, O. Abdulmunem, X. Lin, K. Hassoon, S. Edalati-Boostan, Y.D. Kim, W. Heimbrodt, E.H. Yang, J.C. Hone und A. Rahimi-Iman
Semiconductors 52, 565-571 (2018)
2017
The influence of the environment on monolayer tungsten diselenide photoluminescence
L. M. Schneider, S. Lippert, J. Kuhnert, O. Ajayi, D. Renaud, S. Firoozabadi, Q. Ngo, R. Guo, Y.D. Kim, W. Heimbrodt, J.C. Hone und A. Rahimi-Iman
NANOSO 15, 84-97 (2017)
Influence of the substrate material on the optical properties of tungsten diselenide monolayers
S. Lippert, L. M. Schneider, D. Renaud, K.N. Kang, O. Ajayi, J. Kuhnert, M-U. Halbich, O.M Abdulmunem, K. Hassoon, S. Edalati-Boostan, Y.D. Kim, W. Heimbrodt, E-H. Yang, J.C. Hone und A. Rahimi-Iman
2D Mater. 4, 025045 (2017)
Magneto photoluminescence measurements of tungsten disulphide monolayers
J. Kuhnert, A. Rahimi-Iman und W. Heimbrodt
J. Phys.: Condens. Matter 29, 08LT02 (2017)
Recombination dynamics of type-II excitons in (Ga,In)As/GaAs/Ga(As,Sb) heterostructures
S. Gies, B. Holz, C. Fuchs, W. Stolz und W. Heimbrodt
Nanotechnology 28, 025701 (2017)
2016
Charge transfer at organic-inorganic interfaces—Indoline layers on semiconductor substrates
I. Meyenburg, J. Falgenhauer, N. W. Rosemann, S. Chatterjee, D. Schlettwein and W. Heimbrodt
J. Appl. Phys. 120, 215502 (2016)
Band offset in (Ga,In)As/Ga(As,Sb) heterostructures
S. Gies, M. J. Weseloh, C. Fuchs, W. Stolz, J. Hader, J.V. Moloney, S.W. Koch und W. Heimbrodt
J. Appl. Phys. 120, 204303 (2016)
Time-resolved photoluminescence of Ga(N,As,P) multiple quantum wells grown on Si substrate: Effects of rapid thermal annealing
R. Woscholski, M. K. Shakfa, S. Gies, M. Wiemer, A. Rahimi-Iman, M. Zimprich, S. Reinhard, K. Jandieri, S. D. Baranovskii, W. Heimbrodt, K. Volz, W. Stolz, und M. Koch
Thin Solid Films 613, 55-58 (2016)
Gate Tuning of Förster Resonance Energy Transfer in a Graphene - Quantum Dot FET Photo-Detector
R.Li, L. M. Schneider, W. Heimbrodt, H.Wu, M. Koch, A. Rahimi-Iman
Scientific Reports 6, 28224 (2016)
Influence of growth temperature and disorder on spectral and temporal properties of Ga(NAsP) heterostructures
R. Woscholski, S. Gies, M. Wiemer, M. K. Shakfa, A. Rahimi-Iman, P. Ludewig, S. Reinhard, K. Jandieri, S. D. Baranovskii, W. Heimbrodt, K. Volz, W. Stolz and M. Koch
J. Appl. Phys. 119, 145707 (2016)
Charge transfer luminescence in (GaIn)As/GaAs/Ga(NAs) double quantum wells
P. Springer, S. Gies, P. Hens, C. Fuchs, H. Han, J. Hader, c, J.V. Moloney, c, W. Stolz, K. Volz, S.W. Koch, W. Heimbrodt
Journal of Luminescence 175, 255-259 (2016)
Carrier dynamics in Ga(NAsP)/Si multi-quantum well heterostructures with varying well thickness
M.K. Shakfa, R. Woscholski, S. Gies, T. Wegele, M. Wiemer, P. Ludewig, K. Jandieri, S.D. Baranovskii, W. Stolz, K. Volz, W. Heimbrodt, M. Koch
Superlattices and Microstructures 93, 67-72 (2016)
Optical and Electrochemical Properties of Anthraquinone Imine Based Dyes for Dye-Sensitized Solar Cells
C. Prinzisky, I. Meyenburg, A. Jacob, B. Heidelmeier, F. Schröder, W. Heimbrodt, and J. Sundermeyer
Eur. J. Org. Chem. 4, 756-767 (2016)
Correlation of the nanostructure with optoelectronic properties during rapid thermal annealing of Ga(NAsP) quantum wells grown on Si(001) substrates
T. Wegele, A. Beyer, S. Gies, M. Zimprich, W. Heimbrodt, W. Stolz and K. Volz
J. Appl. Phys. 119, 025705 (2016)
Temperature-Resolved Optical Spectroscopy of Pentacene Polymorphs: Variation of Herringbone Angles in Single-Crystals and Interface-Controlled Thin Films
I. Meyenburg, T. Breuer, A. Karthäuser, S. Chatterjee, G. Witte, and W. Heimbrodt
Phys. Chem. Chem. Phys. 18, 3825-3831 (2016)
Förster resonance energy transfer mediated enhancement of the fluorescence lifetime of organic fluorophores to the millisecondrange by coupling to Mn-doped CdS/ZnS quantum dots
U. Kaiser, N. Sabir, C. Carrillo-Carrion, P. del Pino, M. Bossi, W. Heimbrodt and W. J. Parak
Nanotechnology 27, 055101 (2016)
2015
Excitonic transitions in highly efficient (GaIn)As/Ga(AsSb) type-II quantum-well structures
S. Gies, C. Kruska, C. Berger, P. Hens, C. Fuchs, A. Ruiz Perez, N. W. Rosemann, J. Veletas, S. Chatterjee, W. Stolz, S. W. Koch, J. Hader, J. V. Moloney and W. Heimbrodt
Appl. Phys. Lett. 107, 182104 (2015)
Time-resolved photoluminescence of Ga(NAsP) multiple quantum wells grown on Si substrate: Effects of rapid thermal annealing
R. Woscholski, M.K. Shakfa, S. Gies, M. Wiemer, A. Rahimi-Iman, M. Zimprich, S. Reinhard, K. Jandieri, S.D. Baranovskii, W. Heimbrodt, K. Volz, W. Stolz, M. Koch
Thin Solid Films , (2015)
Particle-Based Optical Sensing of Intracellular Ions at the Example of Calcium - What Are the Experimental Pitfalls?
Kantner, K., Ashraf, S., Carregal-Romero, S., Carrillo-Carrion, C., Collot, M., del Pino, P., Heimbrodt, W., De Aberasturi, D. J., Kaiser, U., Kazakova, L. I., Lelle, M., de Baroja, N. M., Montenegro, J. M., Nazarenus, M., Pelaz, B., Peneva, K., Gil, P. R., Sabir, N., Schneider, L. M., Shabarchina, L. I., Sukhorukov, G. B., Vazquez, M., Yang, F. and Parak, W. J.
small 11, 896-904 (2015)
Determining the exact number of dye molecules attached to colloidal CdSe/ZnS quantum dots in Förster resonant energy transfer assemblies
U. Kaiser, D. Jimenez de Aberasturi, M. Vazquez-Gonzalez, C. Carrillo-Carrion, T. Niebling, W. J. Parak, and Wolfram Heimbrodt
J. Appl. Phys. 117, 024701 (2015)
2014
Annealing effects on the composition and disorder of Ga(N,As,P) quantum wells on silicon for laser application
S. Gies, M. Zimprich, T. Wegele, C. Kruska, A. Beyer, W. Stolz, K. Volz and W. Heimbrodt
Journal of Crystal Growth 402, 169 (2014)
Intense Intrashell Luminescence of Eu-Doped Single ZnO Nanowires at Room Temperature by Implantation Created Eu-Oi Complexes
S. Geburt, M. Lorke, A. L. da Rosa, T. Frauenheim, R. Röder, T. Voss, U. Kaiser, W. Heimbrodt and C. Ronning
Nano Lett. 14, 4523 (2014)
Multiplexed measurements by time resolved spectroscopy using colloidal CdSe/ZnS quantum dots
U. Kaiser, D. Jimenez de Aberasturi, R. Malinowski, F. Amin, W. J. Parak, W. Heimbrodt
Appl. Phys. Lett. 104, 041901 (2014)
2013
Intense intra-3d luminescence and waveguide properties of single Co-doped ZnO nanowires
S. Geburt, R. Röder, U. Kaiser, L. Chen, M.-H. Chu, J. Segura-Ruiz, G. Martínez-Criado, W. Heimbrodt and C. Ronning
Phys. Status Solidi RRL 7, 886-889 (2013)
Luminescence and energy transfer processes in ensembles and single Mn or Tb doped ZnS nanowires
U. Kaiser, S. Gies, S. Geburt, F. Riedel, C. Ronning, W. Heimbrodt
J. Appl. Phys. 113, 073506 (2013)
Double-scaled disorder in Ga(N,As,P)/GaP multiquantum wells
C. Karcher, K. Jandieri, B. Kunert, R. Fritz, K. Volz, W. Stolz, F. Gebhard, S. D. Baranovskii, W. Heimbrodt
Journal of Luminescence 133, 125-128 (2013)
2012
Structural and optical properties of pentacene films grown on differently oriented ZnO surfaces
M. El Helou, E. Lietke, J. Helzel, W. Heimbrodt and G. Witte
Journal of Physics: Condensed Matter 24, 445012 (2012)
Energy scaling of compositional disorder in Ga(N,P,As)/GaP quantum well structures
K. Jandieri, M. K. Shakfa, S. Liebich, M. Zimprich, B. Kunert, C. Karcher, A. Chernikov, K. Volz, W. Stolz, M. Koch, S. Chatterjee, W. Heimbrodt, F. Gebhard, S. D. Baranovskii
Phys. Rev. B 86, 125318 (2012)
Synthesis and characterization of organically linked ZnO nanoparticles
C. Chory, I. Riedel, C. Kruska,W. Heimbrodt, C. Feser,W. J. D. Beenken, H. Hoppe, J. Parisi
physica status solidi (a) , (2012)
Synthesis and Characterization of Colloidal Fluorescent Silver Nanoclusters
S. Huang, C. Pfeiffer, J. Hollmann, S. Friede, J. J.-C. Chen, A. Beyer, B. Haas, K. Volz, W. Heimbrodt, J. M. Montenegro Martos, W. Chang, W. J. Parak
Langmuir 28, 8915-8919 (2012)
Ferromagnetic phase transition in zinc blende (Mn,Cr)S-layers grown by molecular beam epitaxy
M. Demper, W. Heimbrodt, C. Bradford, K. A. Prior, J. Kehrle, H.-A. Krug von Nidda, and A. Loidl
Appl. Phys. Lett. 100, 132405 (2012)
2011
Temperature dependent optical properties of pentacene films on zinc oxide
J. Helzel, S. Jankowski, M. El Helou, G. Witte, W. Heimbrodt
Appl. Phys. Lett. 99, 211102 (2011)
Double-scaled disorder in Ga(N,As,P)/GaP multiquantum wells
C. Karcher, K. Jandieri, B. Kunert, R. Fritz, K. Volz, W. Stolz, F. Gebhard, S.D. Baranovski, W. Heimbrodt
Journal of Luminescence , (2011)
Characterization of the plasma plume of a PIAD plasma source by means of optical emission spectroscopy
J. Harhausen, I. Meyenburg, A. Ohl, R. Foest
Surface and Coatings Technology 205, Supplement 2, S407–S410 (2011)
Defect induced changes on the excitation transfer dynamics in ZnS/Mn nanowires
U. Kaiser, L. Chen, S. Geburt, C. Ronning, W. Heimbrodt
Nanoscale Research Letters 6, 228 (2011)
Optical measurements of field-induced phenomena of the magnetic phase transition in quasi 2D MnS layers grown by MBE
M. Demper, W. Heimbrodt, C. Bradford, K. A. Prior
J Nanopart Res 13, 5635 (2011)
How Colloidal Nanoparticles Could Facilitate Multiplexed Measurements of Different Analytes with Analyte-Sensitive Organic Fluorophores
A. Z. Abbasi, F. Amin, T. Niebling, S. Friede, M. Ochs, S. Carregal-Romero, J.-M. Montenegro, P. R. Gil, W. Heimbrodt, W. J. Parak
ACS Nano 5, 21 (2011)
2010
Peculiarities of the photoluminescence of metastable Ga(N,As,P)/GaP quantum well structures
C. Karcher, K. Jandieri, B. Kunert, R. Fritz, M. Zimprich, K. Volz, W. Stolz, F. Gebhard, S. D. Baranovskii, W. Heimbrodt
Phys. Rev. B 82, 245309 (2010)
Optical and magnetic properties of quasi one-dimensional dilute magnetic ZnMnS and antiferromagnetic MnS
L. Chen, W. Heimbrodt, P. J. Klar, M. Fröba, C. Ronning, H.-A. Krug von Nidda
physica status solidi (b) 247, 2522 (2010)
Tailoring the properties of semiconductor nanowires using ion beams
C. Ronning, C. Borschel, S. Geburt, R. Niepelt, S. Müller, D. Stichtenoth, J.-P. Richters, A. Dev, T. Voss, L. Chen, W. Heimbrodt, C. Gutsche, W. Prost
physica status solidi (b) 247, 2329 (2010)
Magnetic field induced changes of the magnetic phase transition in metastable zinc blende MnS layers grown by MBE
M. Demper, L. Chen, H.-A. Krug von Nidda, C. Bradford, A. Loidl, K. A. Prior, W. Heimbrodt
physica status solidi (c) 6, 1636 (2010)
Optical studies on paramagnetic/superparamagnetic ZnO:Co films grown by magnetron sputtering
L. Chen, S. Ye, A. Ney, P. J. Klar, D. M. Hofmann, S. Jankowski, W. Heimbrodt
physica status solidi (c) 6, 1655 (2010)
Dimensional dependence of the energy transfer in MBE grown MnS layers
M. Demper, L. Chen, C. Bradford, K. Prior, W. Heimbrodt
Solid State Comm. 150, 1092 (2010)
Energy transfer in ZnSe/(Zn,Mn)Se double quantum wells
S. Jankowski, W. Heimbrodt
physica status solidi (c) 7, 1639 (2010)
2009
Excitation Dynamics in Polymer-Coated Semiconductor Quantum Dots with Integrated Dye Molecules - the Role of Reabsorption
T. Niebling, F. Zhang, Z. Ali, W. Parak, W. Heimbrodt
J. Appl. Phys. 106, 104701 (2009)
Energy transfer processes in ZnSe/(Zn,Mn)Se double quantum wells
S. Jankowski, S. Horst, A. Chernikov, S. Chatterjee, W. Heimbrodt
Phys. Rev. B 80, 155315 (2009)
Optical properties of Ga(NAsP) lattice matched to Si
C. Karcher, H. Grüning, M. Güngerich, P. J. Klar, B. Kunert, K. Volz, W. Stolz, W. Heimbrodt
physica status solidi (c) 6, 2638 (2009)
Influence of Magnetic Dopants on the Metal-Insulator Transition in Semiconductors
J. Teubert, S. A. Obukhov, P. J. Klar, W. Heimbrodt
Phys. Rev. Lett. 102, 046404 (2009)
2008
Optical and magnetic properties of MBE grown manganese sulfide layers
W. Heimbrodt, L. Chen, H.-A. Krug von Nidda, A. Loidl, P. J. Klar, L. David, K. A. Prior
J. Kor. Phys. Soc. 53, 2852 (2008)
Minimal number of atoms to constitute a magnet: Suppression of magnetic order in spherical MnS nanoparticles
T. Kurz, L. Chen, F. J. Brieler, P. J. Klar, H.-A. Krug von Nidda, M. Fröba, W. Heimbrodt, A. Loidl
Phys. Rev. B 78, 132408 (2008)
Metal-insulator transition in n-(B,Ga,In)As
J. Teubert, P. J. Klar, W. Heimbrodt
physica status solidi (c) 5, 858 (2008)
Energy transfer and dynamics of the Mn 3d5 luminescence in low dimensional (Zn,Mn)S nanostructures
L. Chen, T. Niebling, W. Heimbrodt, P. J. Klar, D. Stichtenoth, C. Ronning
J. Kor. Phys. Soc. 53, 2830 (2008)
Hopping energy relaxation of localized excitons in GaP(N)
T. Niebling, O. Rubel, W. Heimbrodt, W. Stolz, S. D. Baranovskii, P. J. Klar, J. F. Geisz
physica status solidi (c) 5, 768 (2008)
Electron spin resonance investigations of ZnMnS nanoparticles
S. Yatsunenko, K. Swiatek, M. Godlewski, M. Fröba, P. J. Klar, W. Heimbrodt
Optical Materials 30, 753 (2008)
Seebeck coefficients of n-type (Ga,In)(N,As), (B,Ga,In)As, and GaAs
G. Homm, P. J. Klar, J. Teubert, W. Heimbrodt
Appl. Phys. Lett. 93, 042107 (2008)
Tailoring the magnetoresistance of MnAs/GaAs:Mn granular hybrid nanostructures
C. Michel, M. T. Elm, B. Goldlücke, S. D. Baranovskii, P. Thomas, W. Heimbrodt, P. J. Klar
Appl. Phys. Lett. 92, 223119 (2008)
Annealing-induced transition from a (311)A-oriented Ga0.98Mn0.02As alloy to a GaMnAs/MnAs hybrid structure studied by angle-dependent magnetotransport
M. T. Elm, P. J. Klar, W. Heimbrodt, U. Wurstbauer, M. Reinwald, W. Wegscheider
J. Appl. Phys. 103, 093710 (2008)
Doping, Electrical Properties and Solar Cell Application of GaInNAs
K. Volz, W. Stolz, J. Teubert, P. J. Klar, W. Heimbrodt, F. Dimroth, C. Baur, A. W. Bett
Dilute III-V Nitride Semiconductors and Material Systems Physics and Technology , (2008)
Comparison of the Electronic Band Formation and Band Structure of GaNAs and GaNP
M. Güngerich, P. J. Klar, W. Heimbrodt, G. Weiser, A. Lindsay, C. Harris, E. P. O'Reilly
Dilute III-V Nitride Semiconductors and Material Systems Physics and Technology , (2008)
Spectral and time dependences of the energy transfer of bound optical excitations in GaP(N)
T. Niebling, O. Rubel, W. Heimbrodt, W. Stolz, S. D. Baranowskii, P. J. Klar, J. F. Geisz
J. Phys.: Condens. Matter 20, 015217 (2008)
Influence of non-random incorporation of Mn ions on the magnetotransport properties of Ga1-xMnxAs alloys
C. Michel, M. T. Elm, S. D. Baranovskii, P. Thomas, W. Heimbrodt, B. Goldlücke P. J. Klar
physica status solidi (c) 5, 819 (2008)
Enhanced energy pumping to Tb3+ ions in manganese-doped ZnS nanoparticles
S. Yatsunenko, M. Godlewski, E. Guziewicz, M. Zalewska, A. Klonkowski, M. Grinberg, P. J. Klar, W. Heimbrodt
Journal of Alloys and Compounds 451, 206 (2008)
2007
Effect of localized B and N states on the magneto-transport of (B,Ga,In)As and (Ga,In)(N,As)
J. Teubert, P. J. Klar, W. Heimbrodt, V. Gottschalch, A. Lindsay, E. P. O'Reilly
physica status solidi (b) 244, 431 (2007)
Vibrational properties of GaP and GaP1-x Nx under hydrostatic pressures up to 30 GPa
M. P. Jackson, M. P. Halsall, M. Güngerich, P. J. Klar, W. Heimbrodt, J. F. Geisz
physica status solidi (b) 244, 336 (2007)
Energy transfer processes between extrended band states and Te-related localized states in metastable ZnS1-xTex
T. Niebling, P. J. Klar, W. Heimbrodt
AIP Conference Proceedings 893, 267 (2007)
Transport study of the annealing-induced transition from Ga1-xMnxAs alloys to GaAs:Mn/MnAs hybrids
M. T. Elm, J. Teubert, P. J. Klar, W. Heimbrodt, C. Michel, P. Thomas, S. Baranovskii
AIP Conference Proceedings 893, 1275 (2007)
Optical spectroscopy on metastable zincblende MnS/ZnSe Heterostructures
L. Chen, J. Teubert, P. J. Klar, L. David, C. Bradford, K. A. Prior
AIP Conference Proceedings 893, 1179 (2007)
Quantitative description of the temporal behavior of the internal Mn 3d5 luminescence in ensembles of Zn0.99Mn0.01S quantum dots
L. Chen, F. J. Brieler, M. Fröba, P. J. Klar, W. Heimbrodt
Phys. Rev. B 75, 241303 (R) (2007)
Raman studies of ZnO:Co thin films
H. Zhou, L. Chen, V. Malik, C. Knies, D. M. Hofmann, K. P. Bhatti, S. Chaudhary, P. J. Klar, W. Heimbrodt, C. Klingshirn, H. Kalt
physica status solidi (a) 204, 112 (2007)
Dimensional dependence of the dynamics of the Mn 3d5 luminescence in (Zn, Mn)S nanowires and nanobelts
L. Chen, T. Niebling, W. Heimbrodt, D. Stichtenoth, C. Ronning, P. J. Klar
Phys. Rev. B 76, 115325 (2007)
Mechanisms of enhancement of light emission in nanostructures of II-VI compounds doped with manganese
M. Godlewski, S. Yatsunenko, V. Y. Ivanov, K. Drozdowicz-Tomsia, E. M. Goldys, M. R. Phillips, P. J. Klar, W. Heimbrodt
Low Temp. Phys. 33, 192 (2007)
Quantitative modelling of the annealing-induced changes of the magnetotransport in GaMnAs alloys
C. Michel, M. T. Elm, S. D. Baranowski, P. Thomas, W. Heimbrodt, B. Goldlücke, P. J. Klar
J. Appl. Phys. 102, 073712 (2007)
2006
Optical activity of a single MnAs cluster: birefringence or Kerr effect
M. Leuschner, P. J. Klar, W. Heimbrodt, W. W. Rühle, S. Hara, W. Stolz, K. Volz, T. Kurz, A. Loidl, H.-A. Krug von Nidda
J. Magn. Magn. Mater. 301, 478 (2006)
(II,Mn)VI nanostructures in mesoporous silica hosts - from powder samples to thin films
L. Chen, P. J. Klar, W. Heimbrodt, T. Kurz, H.-A. Krug von Nidda, A. Loidl, A. V. Kouzema, M. Fröba
physica status solidi (b) 243, 831 (2006)
Concentration and size dependence of the dynamics of the Mn 3d5 luminescence in wire-like arrangements of (Zn,Mn)S nanoparticles
L. Chen, J. Kampmann, P. J. Klar, W. Heimbrodt, F. J. Brieler, M. Fröba
physica status solidi (b) 243, 839 (2006)
Correlation of band formation and local vibrational mode structure in Ga0.95Al0.05As1-xNx with 0 < x < 0.03
M. Güngerich, P. J. Klar, W. Heimbrodt, K. Volz, K. Köhler, J. Wagner, A. Polimeni, M. Capizzi, H. Ch. Alt, Y. V. Gomeniuk
physica status solidi (c) 3, 619 (2006)
Interaction between conduction band edge and nitrogen states probed by carrier effective-mass measurements in GaAs1-xNx
F. Masia, G. Pettinari, A. Polimeni, M. Felici, A. Miriametro, M. Capizzi, A. Lindsay, S. B. Healy, E. P. O'Reilly, A. Cristofoli, G. Bais, M. Piccin, S. Rubini, F. Martelli, A. Franciosi, P. J. Klar, K. Volz, W. Stolz
Phys. rev. B 73, 073201 (2006)
Optical activity of a single MnAs cluster: Birefringence or Kerr effect
M. Leuschner, P. J. Klar, W. Heimbrodt, W. W. Rühle, S. Hara, W. Stolz, K. Volz, T. Kurz, A. Loidl, H.-A. Krug von Nidda
J. Magn. Magn. Mater. 301, 478 (2006)
Excitation transfer between extended band states and N-related localized states in GaP1-xNx with x up to 1%
T. Niebling, T. Lapp, J. Kampmann, P. J. Klar, W. Heimbrodt, B. Kunert, K. Volz, W. Stolz
Physica E 32, 222 (2006)
Competition of N-passivation and Te-passivation in hydrogenation of Te-doped (Ga,In)(N,As)
J. Teubert, P. J. Klar, W. Heimbrodt, K. Volz, W. Stolz, A. Polimeni, M. Capizzi
Physica E 32, 218 (2006)
Synthesis and characterization of highly ordered bifunctional aromatic periodic mesoporous organosilicas with different pore sizes
J. Morell, M. Güngerich, G. Wolter, J. Jiao, M. Hunger, P. J. Klar, M. Fröba
J. Mater. Chem. 16, 2809 (2006)
Hydrogen-nitrogen complexes in dilute nitride alloys: Origin of the compressive lattice strain
G. Bisognin, D. De Salvador, A. V. Drigo, E. Napilitani, A. Sambo, M. Berti, A. Polimeni, M. Felici, M. Capizzi, M. Güngerich, P. J. Klar, G. Bais, F. Jabeen, M. Piccin, S. Rubini, F. Martelli, A. Franciosi
Appl. Phys. Lett. 89, 061904 (2006)
Compositional disorder in GaAs1-xNx:H investigated by photoluminescence
M. Felici, R. Trotta, F. Masia, A. Polimeni, A. Miriametro, M. Capizzi, P. J. Klar, W. Stolz
Phys. Rev. B 74, 085203 (2006)
Tuning the magnetic properties of GaAs:Mn/MnAs hybrids via the MnAs cluster shape
H.-A. Krug von Nidda, T. Kurz, A. Loidl, Th. Hartmann, P. J. Klar, W. Heimbrodt, M. Lampalzer, K. Volz, W. Stolz
J. Phys. Condens. Matter 18, 6071 (2006)
Optical and magnetic properties of c-oriented ZnCoO films
H. Zhou, C. Knies, D. M. Hofmann, J. Stehr, N. Volbers, B. K. Meyer, L. Chen, P. J. Klar, W. Heimbrodt
physica status solidi (a) 203, 2756 (2006)
Strong non-Arrhenius temperature dependence of the resistivity in the regime of traditional band transport
C. Michel, S. D. Baranovskii, P. J. Klar, P. Thomas, B. Goldlücke
Appl. Phys. Lett. 89, 112116 (2006)
Hydrostatic pressure experiments on dilute nitride alloys
P. J. Klar, J. Teubert. M. Güngerich, T. Niebling, H. Grüning, W. Heimbrodt, K. Volz, W. Stolz, A. Polimeni, M. Capizzi, E. P. O'Reilly, A. Lindsay, M. Galluppi, L. Geelhaar, H. Riechert, S. Tomic
physica status solidi (b) 244, 24 (2006)
Experimental and theoretical investigation of the conduction band edge of GaNxP1-x
M. Güngerich, P. J. Klar, W. Heimbrodt, G. Weiser, J. F. Geisz, C. Harris, A. Lindsay, E. P. O'Reilly
Phys. Rev. B 74, 241202(R) (2006)
2005
Dynamics of light emission in CdMnS nanoparticles
M. Godlewski, S. Yatsunenko, K. Drozdowicz-Tomsia, E. M. Goldys, M. R. Phillips, P. J. Klar, W. Heimbrodt
Acta Phys. Polonica 108, 681 (2005)
Vibrational properties of Ga(As,N) under hydrostatic pressures up to 20 GPa
M. Güngerich, P. J. Klar, W. Heimbrodt, J. Koch, W. Stolz, M. P. Halsall, P. Harmer
Phys. Rev. B 71, 075201 (2005)
Type I - type II transition in InGaAs/GaNAs heterostructures
C. Schlichenmaier, H. Grüning, A. Thränhardt, P. J. Klar, B. Kunert, K. Volz, W. Stolz, W. Heimbrodt, T. Meier, S. W. Koch, J. Hader, J. V. Moloney
Appl. Phys. Lett. 86, 081903 (2005)
Size dependence of the magnetic and optical properties of Cd1-xMnxS nanostructures confined in mesoporous silica
F. J. Brieler, P. Grundmann, M. Fröba, L. Chen, P. J. Klar, W. Heimbrodt, H.-A. Krug von Nidda, T. Kurz, A. Loidl
Chem. Mater. 17, 795 (2005)
Spin-dependent localization effects in GaAs:Mn/MnAs granular paramagnetic-ferromagnetic hybrids at low temperatures
C. Michel, C. H. Thien, S. Ye, P. J. Klar, W. Heimbrodt, S. D. Baranovskii, P. Thomas, M. Lampalzer, K. Volz, W. Stolz, B. Goldlücke
Superlatt. & Microstruct. 37, 321 (2005)
Characterization of vertical-cavity surface-emitting laser structures by modulation spectroscopy: A status report
P. J. Klar, C. Karcher, B. Metzger, T. J. C. Hosea
physica status solidi (a) 202, 1208 (2005)
Origin of the ultrafast component of photoluminescence decay in nanostructures doped with transition metal or rare earth ions
M. Godlewski, S. Yatsunenko, V. Y. Ivanov, A. Khachapuridze, K. Swiatek, E. M. Goldys, M. R. Philipps, P. J. Klar, W. Heimbrodt
acta phys. pol. A 107, 65 (2005)
Comparison of the magnetic and optical properties of wide-gap (II,Mn)VI nanostructures confined in mesoporous silica
F. J. Brieler, P. Grundmann, M. Fröba, L. Chen, P. J. Klar, W. Heimbrodt, H.-A. Krug von Nidda, T. Kurz, A. Loidl
Eur. J. Inorg. Chem. 2005, 3597 (2005)
Tantalum and Niobium Perovskite Oxynitrides: Synthesis and analysis of the thermal behaviour
A. Rachel, S. G. Ebbinghaus, M. Güngerich, P. J. Klar, J. Hanss, A. Weidenkaff, A. Reller
Thermochim. Acta 438, 134 (2005)
Magnetic interactions in granular paramagnetic-ferromagnetic GaAs:Mn/MnAs hybrids
W. Heimbrodt, P. J. Klar , S. Ye, M. Lampalzer, C. Michel, S. D. Baranovskii, P. Thomas, W. Stolz
J. Superconductivity: Incorporating Novel Magnetism 18, 315 (2005)
Carrier relaxation dynamics in annealed and hydrogenated (GaIn)(NAs)/GaAs quantum wells
K. Hantke, J. D. Heber, S. Chatterjee, P. J. Klar, K. Volz, W. Stolz, W. W. Rühle, A. Polimeni, M. Capizzi
Appl. Phys. Lett. 87, 252111 (2005)
2004
Cd1-xMnxS diluted magnetic semiconductors as nanostructured guest species in mesoporous thin film silica host media
A. V. Kouzema, M. Fröba, L. Chen, P. J. Klar, W. Heimbrodt
Adv. Funct. Mat. 15, 168 (2004)
Tuning of the average p-d exchange in (Ga,Mn)As by modification of the Mn electronic structure
Th. Hartmann, S. Ye, P. J. Klar, W. Heimbrodt, M. Lampalzer, W. Stolz, T. Kurz, A. Loidl, H.-A. Krug von Nidda, D. Wolverson, J. J. Davies, H. Overhof
Phys. Rev. B 70, 233201 (2004)
Elucidation of the emission red-shift with increasing growth temperature of MBE-grown GaInNAs/GaAs quantum wells
E.-M. Pavelescu, M. Dumitrescu, T. Jouhti, J. Wagner, P. J. Klar, S. Karirinne, M. Pessa
IEE Proc.-Optoelectron. 151, 293 (2004)
Theory of electron confinement and electron effective mass in dilute nitride alloys and heterostructures
E. P. O'Reilly, A. Lindsay, S. Tomić, P. J. Klar
physica status solidi (b) 241, 3099 (2004)
Influence of N on the electron transport in (Ga,In)(N,As) probed by magnetotransport under hydrostatic pressure
J. Teubert, P. J. Klar, W. Heimbrodt, K. Volz, W. Stolz
IEE Proc.-Optoelectron. 151, 357 (2004)
The influence of conduction-band nonparabolicity on electron confinement and effective mass in GaNAs/GaAs quantum wells
S. Tomic, E. P. O'Reilly, P. J. Klar, H. Grüning, W. Heimbrodt, W. M. Chen, I. A. Buyanova
Phys. Rev. B 69, 245305 (2004)
Evidence for a type I to type II transition in (Ga,In)(N,As)/Ga(N,As) quantum well structures
H. Grüning, P. J. Klar, W. Heimbrodt, S. Nau, B. Kunert, K. Volz, W. Stolz, G. Weiser
Physica E 21, 666 (2004)
Tuning of the electron effective mass and exciton wavefunction size in GaAs1-xNx
A. Polimeni, F. Masia, G. Baldassarri Höger von Högersthal, A. Frova, M. Capizzi, S. Sanna, V. Fiorentini, P. J. Klar, W. Stolz
Physica E 21, 747 (2004)
Hopping relaxation of excitons in GaInNAs/GaNAs quantum wells
H. Grüning, K. Kohary, S. D. Baranovskii, O. Rubel, P. J. Klar, A. Ramakrishnan, G. Ebbinghaus, P. Thomas, W. Heimbrodt, W. Stolz, W. W. Rühlek
physica status solidi (c) 1, 109 (2004)
Tuneable variation of the electron effective mass and exciton radius in hydrogenated GaAs1-xNx
A. Polimeni, G. Baldassarri Höger von Högersthal, F. Masia, M. Capizzi, S. Sanna, V. Fiorentini, P. J. Klar, W. Stolz
Phys. Rev. B 69, 041201 (R) (2004)
Formation of Zn1-xMnxS nanowires within mesoporous silica of different pore sizes
F. J. Brieler, P. Grundmann, M. Fröba, L. Chen, P. J. Klar, W. Heimbrodt, H.-A. Krug von Nidda, T. Kurz, A. Loidl
J. Am. Chem. Soc. 126, 797 (2004)
Enhanced weak Anderson localization phenomena in the magnetoresistance of n-type (Ga,In)(N,As)
J. Teubert, P. J. Klar, W. Heimbrodt, K. Volz, W. Stolz, P. Thomas, G. Leibiger, V. Gottschalch
Appl. Phys. Lett. 84, 747 (2004)
Magnetic Semiconductor Nanostructures
W. Heimbrodt, P. J. Klar
Encyclopedia of Nanoscience and Nanotechnology , (2004)
Influence of magnetic-field induced tuning of disorder and bandstructure on the magnetoresistance of paramagnetic dilute magneticsemiconductors
C. Michel, P. J. Klar, S. D. Baranovskii, P. Thomas
Phys. Rev. B 69, 165211 (2004)
Correlation of structural and electronic properties of (Ga,In)(N,As) based heterostructures
P. J. Klar, K. Volz
J. Phys.: Cond. Mat. 16, 3053 (2004)
Electronic properties of (Ga,In)(N,As)-based heterostructures
P. J. Klar, S. Tomic
Optoelectronic properties of semiconductors and superlattices 21, (2004)
2003
Regular arrays of (Zn,Mn)S quantum wires with well-defined diameters in the nanometer range
L. Chen, P. J. Klar, W. Heimbrodt, F. J. Brieler, M. Fröba
J. Superconductivity: Incorporating Novel Magnetism 16, 99 (2003)
Arrays of (Zn,Mn)S quantum wires with well-defined diameters below 10nm
L. Chen, P. J. Klar, W. Heimbrodt, F. J. Brieler, M. Fröba, H.-A. Krug von Nidda, T. Kurz, A. Loidl
J. App. Physics 93, 1326 (2003)
Post-growth non-destructive characterisation of dilute-nitride VCSELs using electroreflectance spectroscopy
S. A. Choulis, T. J. C. Hosea, S. Gosh, P. J. Klar, M. Hofmann
IEEE Photon. Technol. Lett. 15, 1026 (2003)
Monitoring the non-parabolicity of the conduction band in GaN0.018As0.982/GaAs quantum wells
P. J. Klar, H. Grüning, W. Heimbrodt, J. Koch, W. Stolz, S. Tomic, E. P. O'Reilly
Solid State Electronics 47, 437 (2003)
Influence of co-doping on the magnetoresistance of paramagnetic (Ga,Mn)As
S. Ye, P. J. Klar, T. Henning, M. Lampalzer, W. Stolz, W. Heimbrodt
J. Superconductivity: Incorporating Novel Magnetism 16, 159 (2003)
Magneto-optical spectroscopy on (Ga,Mn)As based layers - correlation between the p-d exchange integral and doping
Th. Hartmann, S. Ye, T. Henning, P. J. Klar, M. Lampalzer, W. Stolz, W. Heimbrodt
J. Superconductivity: Incorporating Novel Magnetism 16, 423 (2003)
Correlation of lasing properties and band alignment of edge emitting lasers with (Ga,In)(N,As)/Ga(N,As) active regions
H. Grüning, P. J. Klar, W. Heimbrodt, G. Weiser, J. Koch, S. Nau, W. Stolz, R. Fehse, A. R. Adams, A. Ramakrishnan, G. Ebbinghaus
physica status solidi (b) 235, 417 (2003)
Pressure and k.p studies of band parameters in dilute-N GaInNAs/GaAs multiple quantum wells
S. A. Choulis, T. J. C. Hosea, S. Tomic, M. Kamal-Saadi, A. R. Adams, B. A. Weinstein, E. P. O'Reilly, P. J. Klar
physica status solidi 235, 384 (2003)
Unusual properties of metastable (Ga,In)(N,As) containing semiconductor structure
P. J. Klar, H. Grüning, L. Chen, T. Hartmann, D. Golde, M. Güngerich, W. Heimbrodt, J. Koch, K. Volz, B. Kunert, T. Torunski, W. Stolz, A. Polimeni, M. Capizzi, Gh. Dumitras, L. Geelhaar, H. Riechert
IEEProc.-Optoelectron. 150, 28 (2003)
Global changes of the bandstructure and the crystal lattice of Ga(N,As) due to hydrogenation
P. J. Klar, H. Grüning, M. Güngerich, W. Heimbrodt, J. Koch, T. Torunski, W. Stolz, A. Polimeni, M. Capizzi
Phys. Rev. B 67, 121206 (R) (2003)
Early manifestation of localization effects in diluted Ga(As,N)
F. Masia, A. Polimeni, G. Baldassarri Höger van Högersthal, M. Bissiri, M. Capizzi, P. J. Klar, W. Stolz
Appl. Phys. Lett. 82, 4474 (2003)
Growth-temperature-dependent (self-)annealing-induced blueshift of photoluminescence from 1.3 µm GaInNAs/GaAs quantum wells
E. M. Pavelescu, T. Jouhti, M. Dumitrescu, P. J. Klar, S. Karirinne, Y. Fedorenko, M. Pessa
Appl. Phys. Lett. 83, 1497 (2003)
Intra-layer and inter-layer energy-transfer from excitonic states into the Mn 3d5 shell in diluted magnetic semiconductor structures
H. Falk, J. Hübner, P. J. Klar, W. Heimbrodt
Phys. Rev. B 68, 165203 (2003)
Controlled iron-doping of macrotextured nanocrystalline titania
Y. Zhang, S. G. Ebbinghaus, A. Weidenkaff, T. Kurz, H.-A. Krug von Nidda, P. J. Klar, M. Güngerich, A. Reller
Chem. Mater. 15, 4028 (2003)
Anisotropy of the magneto transport in (Ga,Mn)As/MnAs paramagnetic-ferromagnetic hybrid structures
S. Ye, P. J. Klar, Th. Hartmann, W. Heimbrodt, M. Lampalzer, S. Nau, T. Torunski, W. Stolz, T. Kurz, H.-A. Krug von Nidda, A. Loidl
Appl.Phys. Lett. 83, 3927 (2003)
Spin dependent interactions of free carriers and manganese ionsin nanostructures of wide band gap II-Mn-VI semiconductors - Mechanism of lifetime reduction
Yatsunenko, A. Khachapuridze, V. Y. Ivanov, M. Godlewski, L. Van Khoi, Z. Golacki, G. Karczewski, E. M. Goldys, M. Phillips, P. J. Klar, W. Heimbrodt
acta phys. pol. A 103, 643 (2003)
Hydrogen-related effects in diluted nitrides
A. Polimeni, F. Masia, M. Felici, G. Baldassarri Höger von Högersthal, M. Bissiri, A. Frova, M. Capizzi, P. J. Klar, W. Stolz, I. A. Buyanova, W. M. Chen, H. P. Xin, C. W. Tu
Physica B 340, 371 (2003)
Recent developments in metastable dilute-N III-V semiconductors
P. J. Klar
J. Prog. Solid State Chem. 31, 301 (2003)
2002
Spin-dependent energy transfer from exciton states into the Mn2+(3d5) internal transition
H. Falk, W. Heimbrodt, P. J. Klar, J. Hübner, M. Oestreich, W. W. Rühle
physica status solidi (b) 229, 781 (2002)
Modification of the Magnetic and Electronic Properties of orderedarrays of (II,Mn)VI quantum wires due to reduced lateral dimensions
L. Chen, H. Falk, P. J. Klar, W. Heimbrodt, F. Brieler, M. Fröba, H.-A. Krug von Nidda, A. Loidl, Z. Chen, Y. Oka
physica status solidi (b) 229, 31 (2002)
N-composition and pressure dependence of the interband transitions of Ga(N,As)/GaAs quantum wells
H. Grüning, P. J. Klar, W. Heimbrodt, J. Koch, W. Stolz, A. Lindsay, S. Tomic, E. P. O'Reilly
High Pressure Research 22, 293 (2002)
Ordered arreys of II/VI diluted magnetic semiconductor wires: Formation within mesoporous MCM-41 Silica
F. J. Brieler, M. Fröba, L. Chen, P. J. Klar, W. Heimbrodt, H.-A. Krug von Nidda, A. Loidl
Chemistry European J. 8, 185 (2002)
Ferromagnetic resonance studies of (Ga,Mn)As with MnAs clusters
Th. Hartmann, M. Lampalzer, P. J. Klar, W. Stolz, W. Heimbrodt, H.-A. Krug von Nidda, A. Loidl, L. Svistov
Physica E 13, 572 (2002)
Template-induced structural phase transition of GeS2 and GeSe2 in organic-inorganic hybrid mesostructures
P. J. Klar, L. Chen, M. Güngerich, W. Heimbrodt, D. Kempe, N. Oberender, M. Fröba
Physica E 13, 1259 (2002)
Spin injection, spin transport and spin coherence
M. Oestreich, M. Bender, J. Hübner, D. Hägele, W. W. Rühle, Th. Hartmann, P. J. Klar, W. Heimbrodt, M. Lampalzer, K. Volz, W. Stolz
Semicond. Sci. Technol. 17, 285 (2002)
Interband transitions of quantum wells and device structures containing Ga(N,As) and (Ga,In)(N,As)
P. J. Klar, H. Grüning, W. Heimbrodt, G. Weiser, J. Koch, K. Volz, W. Stolz, , S. W. Koch, S. Tomic, S. A. Choulis, T. J. C. Hosea, E. P. O'Reilly, M. Hofmann, J. Hader, J. V. Moloney
Semicond. Sci. Technol. 17, 830 (2002)
Detailed electronic structure of InyGa1-yAs1-xNx/GaAs multiple quantum wells in the dilute-N regime from pressure and k.p studies
S. A. Choulis, T. J. C. Hosea, S. Tomic, M. Kamal-Saadi, A. R. Adams, E. P. O'Reilly, B. A. Weinstein, P. J. Klar
Phys. Rev. B 66, 165321 (2002)
Magnetic semiconductor nanostructures
W. Heimbrodt, P. J. Klar
Magnetic nanostructures , 1 (2002)
2001
MCM-41 Silica monoliths and diluted magnetic semiconductors: a promising union for fabricating nanosized quantum wires
F. Brieler, M. Brehm, L. Chen, P. J. Klar, W. Heimbrodt, M. Fröba
Studies in Surface Science and Catalysis 135, 162 (2001)
Spintronics: Spin electronics and optoelectronics in semiconductors
M. Oestreich, J. Hübner, D. Hägele, M. Bender, N. Gerhardt, M. Hofmann, W. W. Rühle, H. Kalt, Th. Hartmann, P. J. Klar, W. Heimbrodt, W. Stolz
Adv. in Solid State Phys. 41, 173 (2001)
Influence of varying N-environments on the properties of (Ga,In)(N,As) vertical-cavity surface-emitting lasers
S. A. Choulis, T. J. C. Hosea, P. J. Klar, M. Hofmann, W. Stolz
Appl. Phys. Lett. 79, 4277 (2001)
The band structure of Ga(N,As) and (Ga,In)(N,As) semiconductors and their heterostructures
W. Heimbrodt, H. Grüning, P. J. Klar, J. Koch, S. Schäfer, W. Stolz, A. M. Kamal-Saadi, A. Lindsay, E. P. O'Reilly
IPAP Conf. 2, 289 (2001)
Magneto-spectroscopy of ordered arrays of magnetic semiconductor quantum wires
L. Chen, P. J. Klar, W. Heimbrodt, F. Brieler, M. Fröba, H.-A. Krug von Nidda, A. Loidl
Physica E 10, 368 (2001)
Monitoring the sign reversal of the valence band exchange integral in (Ga,Mn)As
W. Heimbrodt, Th. Hartmann, P. J. Klar, M. Lampalzer, W. Stolz, K. Volz, A. Scharper, W. Treutmann, H.-A. Krug von Nidda, A. Loidl, T. Ruf, V. F. Sapega
Physica E 10, 175 (2001)
Pressure and temperature dependent studies of GaNxAs1-x/GaAs quantum well structures
P. J. Klar, H. Grüning, W. Heimbrodt, J. Koch, W. Stolz, P. M. A. Vicente, A. M. Kamal-Saadi, A. Lindsay, E. P. O'Reilly
physica status solidi (b) 223, 163 (2001)
Novel nanostructures on the basis of GeS2- and GeSe2-MCM materials
L. Chen, P. J. Klar, W. Heimbrodt, N. Oberender, D. Kempe, M. Fröba
25th Int. Conf. on the Physics of Semicond. , 1627 (2001)
Cationic and anionic modifications of La2-xSrxCu1-yRuyO4-d studied by Raman spectroscopy
Klar, P. M. A. Vicente, S. G. M. Ebbinghaus, A. Reller
Solid State Commun. 117, 229 (2001)
(Ga,In)(N,As) - fine structure of the band gap due to nearest-neighbor configurations of the isovalent nitrogen
P. J. Klar, H. Grüning, J. Koch, S. Schäfer, K. Volz, W. Stolz, W. Heimbrodt, A. M. Kamal-Saadi, A. Lindsay, E. P. O'Reilly
Phys. Rev. B 64, 121203 (R) (2001)
2000
Optical Characterization of MOVPE-grown Ga1-xMnxAs semimagnetic semiconductor layers
Th. Hartmann, M. Lampalzer, W. Stolz, K. Megges, J. Lorberth, P. J. Klar, W. Heimbrodt
Thin Solid Films 364, 209 (2000)
Luminescence, energy transfer and anti Stokes PL in wide band-gap semimagnetic nanostructures
W. Heimbrodt, H. Falk, P. J. Klar
J. Lumin. 87-89, 344 (2000)
Nitrogen-induced band formation in GaNxAs1-x studied by photoluminescence under hydrostatic pressure and photomodulated reflectance
P. J. Klar, H. Grüning, W. Heimbrodt, J. Koch, F. Höhnsdorf, W. Stolz, P. M. A. Vicente, J. Camassel
High Pressure Research 18, 29 (2000)
Randomness of the magnetic ion distribution in dilute magnetic semiconductor structures grown by molecular beam epitaxy
H. Bednarski, J. Cisowski, W. Heimbrodt, J. C. Portal
Solid State Commun. 113, 419 (2000)
From N isoelectronic impurities to N-induced bands in the GaNxAs1-x alloy
P. J. Klar, H. Grüning, W. Heimbrodt, J. Koch, F. Höhnsdorf, W. Stolz, P. M. A. Vicente, J. Camassel
Appl. Phys. Lett. 76, 3439 (2000)
Towards ordered arrays of magnetic semiconductor quantum wires
L. Chen, P. J. Klar, W. Heimbrodt, F. Brieler, M. Fröba
Appl. Phys. Lett. 76, 3531 (2000)
Strong anisotropy of the photoluminescence linewidth in biaxially strained Zn1-x-yCdyMnxSe
P. J. Klar, H. Falk, W. Heimbrodt
Solid State Commun. 116, 125 (2000)
Magnetic-field tuning of the alloy-induced disorder in quaternary semimagnetic (Zn,Cd,Mn)Se quantum well structures
H. Falk, P. J. Klar, W. Heimbrodt
Thin Solid Films 380, 215 (2000)
Template directed growth of one- and two-dimensional GeS2 and GeSe2 nanostructures
L. Chen, P. J. Klar, W. Heimbrodt, N. Oberender, D. Kempe, M. Fröba
Appl. Phys. Lett. 77, 3965 (2000)
1999
Quantum-well and cavity-mode resonance effects in a vertical-cavity surface-emitting laser structure, observed by photoreflectance
P. M. A. Vicente, P. J. S. Thomas, D. Lancefield, T. E. Sale, T. J. C. Hosea, A. R. Adams, P. J. Klar, A. Raymond
physica status solidi (b) 211, 255 (1999)
Photomodulated reflectance of InxGa1-xAs/GaAs/AlAs microcavity vertical-cavity surface emitting laser structures: Monitoring higher-order quantum well transitions
P. J. Klar, G. Rowland, P. J. S. Thomas, A. Onischenko, T. E. Sale, T. J. C. Hosea, R. Grey
Phys. Rev. B 59, 2902 (1999)
Photomodulated reflectance study of InxGa1-xAs/GaAs/AlAs microcavity vertical-cavity surface emitting laser structures in the weak-coupling regime: The cavity/ground-state-exciton resonance
P. J. Klar, G. Rowland, P. J. S. Thomas, A. Onischenko, T. E. Sale, T. J. C. Hosea, R. Grey
Phys. Rev. B 59, 2894 (1999)
Spin Injection into Semiconductors
M. Oestreich, J. Hübner, D. Hägele, P. J. Klar, W. Heimbrodt, D. E. Ashenford, B. Lunn, W. W. Rühle
Appl. Phys. Lett. 74, 1251 (1999)
Optical spectroscopic studies of the N-related bands in Ga(N,As)
H. Grüning, L. Chen, Th. Hartmann, P. J. Klar, W. Heimbrodt, F. Höhnsdorf, W. Stolz
physica status solidi(b) 215, 39 (1999)
Giant Anti-Stokes Photoluminescence at low excitation densities
W. Heimbrodt, M. Happ, F. Henneberger
Phys. Rev. B 60, R16326 (1999)
1998
Magneto-photoluminescence studies of Zn1-xMnxTe/ZnTe multiple quantum-well and quantum-dot structures
I. J. Griffin, P. J. Klar, D. Wolverson, J. J. Davies, B. Lunn, D. E. Ashenford, T. Henning
J. Cryst. Growth 185, 325 (1998)
Reflectance and photomodulated reflectance studies of an InGaAs/GaAs/AlGaAs vertical-cavity surface emitting laser structure under hydrostatic pressure
P. J. Klar, P. M. A. Vicente, T. E. Sale, T. J. C. Hosea, A. R. Adams, A. Raymond
Solid State Commun. 107, 97 (1998)
Reflectance and photomodulated reflectance studies of cavity mode and excitonic transitions in an InGaAs/GaAs/AlAs/AlGaAs VCSEL structure
P. J. Klar, G. Rowland, T. E. Sale, T. J. C. Hosea, R. Grey
physica status solidi (a) 170, 145 (1998)
Nonlinear optical properties of novel low-bandgap polithiophenes
W. Schrof, S. Rozouvan, Th. Hartmann, H. Möhwald, V. Belov, E. Van Keuren
J. Opt. Soc. Am. B 15, 889 (1998)
Spin flip Raman spectroscopy of nitrogen acceptors in ZnSe layers with different biaxial strains
C. Orange, W. Heimbrodt, D. Wolverson, J. J. Davies
J. Cryst. Growth 184/185, 510 (1998)
A rapid method to screen for cell-wall mutants using discriminant analysis of Fourier transform infrared spectra
L. Chen, N. C. Carpita, W.-D. Reiter, R. H. Wilson, C. Jeffries, M. C. McCann
The Plant Journal 16, 385 (1998)
Magneto-optical Anisotropy of semimagnetic ADQW structures
W. Heimbrodt, M. Happ. D. Suisky, F. Neugebauer, B. Lunn, D. E. Ashenford
J. Cryst. Growth 184/185, 961 (1998)
Photoluminescence and photoluminescence excitation studies of lateral size effects in Zn1-xMnxSe/ZnSe quantum disc samples of different radii
P. J. Klar, D. Wolverson, J. J. Davies, W. Heimbrodt, M. Happ, T. Henning
Phys. Rev. B 57, 7114 (1998)
Determination of the chemical valence band offset for Zn1-xMnxSe/ZnSe multiple quantum well structures of high x
P. J. Klar, D. Wolverson, J. J. Davies, W. Heimbrodt, M. Happ
Phys. Rev. B 57, 7103 (1998)
Tunnelling and Energy Transfer in ZnSe Based Semimagnetic Double Quantum Wells
W. Heimbrodt, L. Gridneva, M. Happ, N. Hoffmann, M. Rabe, F. Henneberger
Phys. Rev. B 58, 1162 (1998)
Anisotropic Zeeman Splitting in semimagnetic Quantum Well Structures
D. Suisky, W. Heimbrodt, C. Santos, F. Neugebauer, M. Happ, B. Lunn, J. E. Nicholls, D. E. Ashenford
Phys. Rev. B 58, 3969 (1998)
Binding Energies of Excitons in Quantum Well Structures
F. Neugebauer, D. Suisky, W. Heimbrodt
Acta Phys. Pol. A 94, 459 (1998)
Spin transport and spin injection in semiconductors
M. Oestreich, J. Hübner, D. Hägele, P. J. Klar, W. Heimbrodt, W. W. Rühle, N. Nestle, K. Eberl
Proc. of the 24th Int. Conf. on Physics of Semicond. , (1998)
Magnetic field mediated anti-Stokes Luminescence of semimagnetic ADQW Structures
W. Heimbrodt, M. Happ
Physica B 256-258, 553 (1998)
1997
Variation of the soft modes with composition in the Raman spectra of charge-compensated series of n=2 and 3 Aurivillius phases
P. J. Klar, T. Rentschler
Solid State Commun. 103, 341 (1997)
Magnetic-field induced type I to type II transition in Zn1-xMnxTe/ZnTe multiple quantum well samples
P. J. Klar, J. R. Watling, D. Wolverson, J. J. Davies, D. E. Ashenford, B. Lunn
Sem. Sci. Technol. 12, 1240 (1997)
Investigation of macromolecule orientation in dry and hydrated walls of single onion epidermal cells by FTIR microspectroscopy
L. Chen, R. H. Wilson, M. C. McCann
J. Molecular Structure 408/409, 257 (1997)
Infrared microspectroscopy: sampling heterogeneity in plant cell wall composition and architecture
M. C. McCann, L. Chen, K. Roberts, E. K. Kemsley, C. Séné, N. C. Carpita, N. J. Stacey, R. H. Wilson
Physiologia Plantarum 100, 729 (1997)
Infrared microspectroscopy of hydrated biological systems: design and construction of a new cell with atmospheric control for the study of plant cell walls
L. Chen, R. H. Wilson, M. C. McCann
J. Microscopy 188, 62 (1997)
Theoretical model for the description of low dimensional structures in tilted magnetic fields
D. Suisky, F. Neugebauer, W. Heimbrodt, P. Enders
High Magnetic Fields in the Physics of Semiconductors 2, 865 (1997)
Tunneling and energy transfer in ZnCdSe/ZnSe/ZnCdMnSe ADQW's
W. Heimbrodt, M. Happ, F. Henneberger
High Magnetic Fields in the Physics of Semiconductors 2, 701 (1997)
Determination of Nitrogen Acceptor Spin Hamiltonian Parameters in ZnSe Epilayers via Spin Flip Raman Spectroscopy
W. Heimbrodt, C. L. Orange, D. Wolverson, J. J. Davies
Phys. Rev. B 56, 6889 (1997)
1996
Comparison of Zn1-xMnxTe/ZnTe multiple-quantum wells and quantum dots by below-bandgap photomodulated reflectivity
P. J. Klar, D. Wolverson, D. E. Ashenford, B. Lunn, T. Henning
Sem. Sci. Technol. 11, 1863 (1996)
Photomodulated reflectivity of Zn1-xMnxTe/ZnTe multiple quantum wells
P. J. Klar, D. Wolverson, D. E. Ashenford, B. Lunn
J. Cryst. Growth 159, 528 (1996)
Comparison of X-ray patterns and Raman spectra of n = 2 and 3 Aurivillius phases by Principal Component Analysis
P. J. Klar, L. Chen, T. Rentschler
J. Mater. Chem. 6, 1815 (1996)
Spin-Flip Raman Scattering Studies of ZnSe/Zn1-xMnxSe Multiple Quantum Well Structures
P. J. Klar, D. Wolverson, J. J. Davies, W. Heimbrodt, N. Hoffmann, J. Griesche
J. Cryst. Growth 159, 1061 (1996)
Exciton Tunneling and Resonances in Semimagnetic Double Quantum Well Structures
K. Hieke, W. Heimbrodt, TH. Pier, H.-E. Gumlich, W. W. Rühle, J. E. Nicholls, B. Lunn
J. Cryst. Growth 159, 1014 (1996)
Dimensional Dependence of Magnetooptical Properties of ZnMnSe-MBE-Layers
W. Heimbrodt, L. Gridneva, M. Happ, F. Neugebauer, D. Suisky, N. Hoffmann, J. Griesche
J. Cryst. Growth 159, 1005 (1996)
Spin-flip Raman Scattering from acceptors in nitrogen-doped ZnSe
D. Wolverson, B. Schlichterle, C. Orange, W. Heimbrodt, J. J. Davies, K. Ogata, S. Fujita, T. Ruf
Proc. of the 23rd Int. Conf. on Physics of Semicond., Berlin 4, 2965 (1996)
Exciton and carrier tunneling in semimagnetic double-quantum-well heterostructures
K. Hieke, W. Heimbrodt, W. W. Rühle, H.-E. Gumlich, TH. Pier, D. E. Ashenford, B. Lunn
Proc. of the 23rd Int. Conf. on Physics of Semiconductors, Berlin 3, 2043 (1996)
Spin-flip Raman scattering in quantum dots based on Cd1-xMnxTe/CdTe quantum well structures
P. J. Klar, D. Wolverson, J. J. Davies, B. Lunn, D. E. Ashenford, T. Henning
Proc. of the 23rd Int. Conf. on Physics of Semiconductors, Berlin 2, 1485 (1996)
1995
Luminescence properties of plasma-treated silicon surfaces
D. Rüter, S. Rolf, W. Bauhofer, P. J. Klar, D. Wolverson
Thin Solid Films 255, 305 (1995)
Photomodulated reflectivity of Zn1-xMnxTe/ZnTe multiple-quantum wells with below-bandgap excitation
P. J. Klar, C. M. Townsley, D. Wolverson, J. J. Davies, D. E. Ashenford, B. Lunn
Sem. Sci. Technol. 10, 1568 (1995)
Tunneling processes in asymmetric II-VI DQW structures containing Mn
K. Hieke, W. Heimbrodt, Th. Pier, H.-E. Gumlich, I. Lawrence, W. W. Rühle, E. Nicholls, B. Lunn
Mat. Sci. Forum 182-184, 587 (1995)
Magnetooptical Anisotropy in Quantum Wells and Superlattices:The Interplay of Strain and Magnetic Field
C. Santos, D. Suisky, P. Enders, F. Neugebauer, M. Hartmann, J. Röseler, W. Heimbrodt
Mat. Sci. Forum 182-184, 763 (1995)
Spin-flip Raman studies of ZnSe/Zn1-xMnxSe multiple quantum well structures
P. J. Boyce, D. Wolverson, J. J. Davies, W. Heimbrodt
Mat. Sci. Forum 182-184, 455 (1995)
Temperature Dependence of Recombination Times in CdTe/(Cd,Mn)Te Asymmetric Double Quantum Wells
Th. Pier, B. Henninger, S. Abdallah, H.-E. Gumlich, S. Hieke, W. Heimbrodt, J. E. Nicholls, B. Lunn
Mat. Sci. Forum 182-184, 759 (1995)
RHEED controlled growth of ZnSe/(Zn,Mn)Se quantum well structures
N. Hoffmann, J. Griesche, W. Heimbrodt, V. Weinhold, K. Jacobs
J. Cryst. Growth 146, 422 (1995)
Magnetic field dependent exciton transfer times in semimagnetic double quantum well structures
K. Hieke, W. Heimbrodt, I. Lawrence, W. W. Rühle, Th. Pier, H.-E. Gumlich, D. E. Ashenford, B. Lunn
Solid State Comun. 93, 257 (1995)
Magneto-optical Characterization of Wide-Gap (II,Mn)VI Quantum Well Structures
W. Heimbrodt, V. Weinhold, N. Hoffmann, J. Griesche
Mat. Sci. Forum 182-184, 755 (1995)
1994
Galvanomagnetic properties and band-structure of monoclinic SrAs3
P. J. Klar, W. Bauhofer
Phys. Rev. B 50, 5180 (1994)
One-electron oxidation of iron (II)-imidazole and iron (II)-bis [imidazol-2-yl] methane complexes: a pulse radiolysis study
B. J. Parsons, S. Navaratnam, Z. Zhao, L. Chen
J. Chem. Soc. Faraday Trans. 90, 2467 (1994)
Luminescence of a quantum -confined dense electron-hole plasma from PbSe nanostructures
K. H. Herrmann, J. W. Tomm, S. Haertel, W. Hoerstel, K. P. Möllmann, W. Heimbrodt, M. Tacke, H. Böttner
J. Lumin. 60 & 61, 371 (1994)
Relaxation in Asymmetric Double Quantum Wells
F. Michl, S. Jorda, U. Rössler, K. Hieke, W. Heimbrodt
22nd Int. Conf. on the Physics of Semicond., Vancouver , (1994)
Magnetooptical Anisotropy in Semimagnetic Quantum Wells and Superlattices
C. Santos, D. Suisky, F. Neugebauer, W. Heimbrodt, R. Knoch, J. Röseler, M. Hartmann
, (1994)
Magnetic Field Dependence of the Exciton Transfer in Semimagnetic DQW- Structures
Th. Pier, K. Hieke, B. Henninger, W. Heimbrodt, O. Goede, H.-E. Gumlich, E. Nicholls, M. O`Neill, S. J. Weston, B. Lunn
J. Cryst. Growth 138, 889 (1994)
- Magneto-Optical Study of Mn Containing Broad Gap II-VI Quantum Well Structures and Superlattices
- W. Heimbrodt, O. Goede, V. Weinhold, K. Hieke, M. Happ, N. Hoffmann, J. Griesche, K. Jacobs
J. Lumin. 60 & 61, 344 (1994)
Magneto-Optical Study of ZnSe/(Zn,Mn)Se- and ZnSe/(Zn,Cd,Mn)Se-Quantum Well Structures and Superlattices
W. Heimbrodt, O. Goede, V. Weinhold, R. Knoch, K. Hieke, N. Hoffmann, J. Griesche, K. Jacobs, F. Neugebauer, D. Suisky, J. Röseler
J. Cryst. Growth 138, 601 (1994)
1993
Structure, electrical-conductivity and dielectric relaxation of charge-transfer complexes with 2,4,6,8-tetramethoxydibenzoselenophene as a donor
R. Diaz Calleja, P. J. Klar, E. Sanchez-Martinez, J. Behrens, J. Kudnig, G. Klar
J. Mater Chem. 3, 489 (1993)
Nanostructures of Broad Gap (II,Mn)VI Semiconductors
W. Heimbrodt, O. Goede
II-VI Semiconductor Compounds , 175 (1993)
Optical Study of Octahedrally and Tetrahedrally Coordinated MnSe
W. Heimbrodt, O. Goede, I. Tschenscher, V. Weinhold, A. Klimakow, U. Pohl, K. Jacobs, N. Hoffmann
Physica B 185, 357 (1993)
MBE Growth and Characterization of (Zn,Mn)Se/ZnSe and MnSe/ZnSe Structures on (001) GaAs
N. Hoffmann, J. Griesche, W. Heimbrodt, O. Goede, K. Jacobs
J. Cryst. Growth 127, 347 (1993)
1992
Magneto Optical Anisotropy of CdTe/(Cd,Mn)Te Quantum Well Structures Due to Lattice-Misfit Induced Strain
O. Goede, W. Heimbrodt, Th. Köpp, H.-E. Gumlich, B. Lunn
J. Cryst. Growth 117, 886 (1992)
Exciton Transfer in CdTe/(Cd,Mn)Te Double Quantum Well Structures
O. Goede, W. Heimbrodt, K. Hieke, H.-E. Gumlich, Th. Pier, B. Lunn, D. E. Ashenford, S. Jackson, J. E. Nicholls
Superlatt. & Microstruct. 12, 363 (1992)
Comparative Optical Studies of Semimagnetic II-VI Quantum Well Structures
O. Goede, W. Heimbrodt, H.-E. Gumlich, B. Lunn, D. E. Ashenford, K. Jacobs, J. Griesche, N. Hoffmann
Superlattices and Microstructures 12, 351 (1992)
Optical Properties of Semimagnetic Quantum Wells
O. Goede, W. Heimbrodt
Advances in Solid State Physics 32, 237 (1992)
Multi-Band Envelope-Function Approximation for the Magnetooptical Anisotropy of Excitons in Strained Semimagnetic Semiconductors
F. Neugebauer, J. Röseler, D. Suisky, O. Goede, W. Heimbrodt
21st Int. Conf. on the Physics of Semicond., Peking 1, 875 (1992)
Magneto-Optical Study of Asymmetric CdTe/(Cd,Mn)Te Double Quantum Well Nanostructures
W. Heimbrodt, O. Goede, Th. Köpp, K. Hieke, H.-E. Gumlich, Th. Pier, B. Lunn, T. Gregory
J. Cryst. Growth 117, 859 (1992)
1991
An investigation of the depth-dose distribution within 3-5 MeV EB from measurements on PVT dosifilm and from calculations of EDMULT code
L. Chen, X. Chen
Conf. proc. 5th Sino-Japanese Symposium on Radiation Chemistry, Beijing, China , (1991)
Luminescence Study of CdTe/(Cd,Mn)Te MQW Structures in Magnetic Fields
W. Heimbrodt, O. Goede, H.-E. Gumlich, H. Hoffmann, U. Stutenbäumer, B. Lunn, D. E. Ashenford
J. Lumin. 48/49, 750 (1991)
Magneto-Optical Study of Donor-Bound Excitons in CdTe/(Cd,Mn)Te-MQW Structures
W. Heimbrodt, O. Goede, Th. Köpp, H.-E. Gumlich, H. Hoffmann, U. Stutenbäumer, B. Lunn, D. E. Ashenford
20th Int. Conf. on the Physics of Semicond., Thessaloniki, 1990, World Sci. Publ. 2, 1190 (1991)
Optical Properties of Mercury Cadmium Telluride Based Superlattices
M. Ritze, R. Enderlein, O. Goede, W. Heimbrodt
Superlatt. & Microstruct. 9, 351 (1991)
Magneto-Optical Study of Donor-Acceptor Pair Transitions in CdTe/(Cd,Mn)Te MQW Structures
W. Heimbrodt, O. Goede, Th. Köpp, H.-E. Gumlich, H. Hoffmann, U. Stutenbäumer, B. Lunn, D. E. Ashenford
Superlatt. & Microstruct. 10, 243 (1991)
Strain Induced Magneto-Optical Anisotropy in Semimagnetic Quantum Well Structures
O. Goede, W. Heimbrodt, Th. Köpp, H. E. Gumlich, B. Lunn, D. E. Ashenford
physica status solidi (b) 166, 531 (1991)
Optical Properties of (Zn,Mn) and (Cd,Mn) Chalcogenide Quantum Wells and Superlattices
W. Heimbrodt, O. Goede
Diluted Magnetic Semiconductors , 499 (1991)
1990
Optical Study of ZnSe and (Zn,Mn)Se MBE Layers on GaAs
W. Heimbrodt, O. Goede, Th. Köpp, R. Enderlein, M. Pessa, J. Lilja
J. Cryst. Growth 101, 705 (1990)
Optical Study of the Antiferromagnetic Phase Transition in (Cd,Mn)S at Highest Mn Concentrations
W. Heimbrodt, C. Benecke, O. Goede, H.-E. Gumlich
J. Cryst. Growth 101, 911 (1990)
1989
EPR Study of the Antiferromagnetic Phase Transition in (Cd,Mn)S
O. Goede, D. Backs, W. Heimbrodt, M. Kanis
physica status solidi (b) 151, 311 (1989)
Optical Effects Due to Antiferromagnetic Spin-Ordering in (Cd,Mn)S at Highest Mn Concentrations
W. Heimbrodt, C. Benecke, O. Goede, H.-E. Gumlich
physica status solidi (b) 154, 405 (1989)
1988
Energy Gap of MnS
O. Goede, W. Heimbrodt, M. Lamla, V. Weinhold
physica status solidi (b) 146, K65 (1988)
Optical Properties of (Zn,Mn) and (Cd,Mn) Chalcogenide Mixed Crystals and Superlattices
O. Goede, W. Heimbrodt
physica status solidi (b) 146, 11 (1988)
Photoacoustic Spectroscopy of CdTe and (Hg,Cd)Te
O. Goede, W. Heimbrodt, Th. Köpp
physica status solidi (a) 108, 443 (1988)
1987
Optical Study of Phase Transition from Tetrahedrally into Octahedrally Coordinated MnS
O. Goede, W. Heimbrodt, V. Weinhold, E. Schnürer, H. G. Eberle
physica status solidi (b) 143, 511 (1987)
1986
Photoacoustic Spectroscopy of Isovalent Impurities in II-VI Semiconductors
O. Goede, W. Heimbrodt, F. Sittel
physica status solidi (a) 93, 277 (1986)
Optical and RBS Studies of ZnS:Te Thin Films
O. Goede, W. Heimbrodt, T. Lau, G. Matzkeit, B. Selle
physica status solidi (a) 94, 259 (1986)
Energy Transfer Processe between Ten Centres in ZnS:Te and CdS:Te
W. Heimbrodt, O. Goede
physica status solidi (b) 135, 795 (1986)
Luminescence and Excitation Spectroscopy of MnS Thin Films
O. Goede, W. Heimbrodt, V. Weinhold
physica status solidi (b) 136, K49 (1986)
1985
Lumineszensschicht aus II-VI Halbleitermaterial
O. Goede, R. Boyn, W. Heimbrodt, M. Kanis
Patentschrift DD251153 AI , (1985)
1984
Optical Study of ZnS:Mn Thin Films with High Mn Concentrations
D. D. Thong, W. Heimbrodt, D. Hommel, O. Goede
physica status solidi (a) 81, 695 (1984)
Non-Exponential ZnS:Mn Luminescence Decay Due to Energy Transfer
O. Goede, W. Heimbrodt, D. D. Thong
physica status solidi (b) 126, K159 (1984)
1982
Isoelectronic Impurity Te in CdS1-xSex Mixed Crystals
O. Goede, W. Heimbrodt
physica status solidi (b) 110, 175 (1982)
Koster-Slater Model for Isolated and Paired Isoelectronic Te Impurities
D. Henning, O. Goede, W. Heimbrodt
physica status solidi (b) 113, K163 (1982)
1981
CdS1-xTex as Persistence-Type Semiconductor Mixed Crystals
O. Goede, W. Heimbrodt, R. Müller
physica status solidi (b) 105, 543 (1981)
1980
Berechnung des Zusammenhanges zwischen der Körnigkeitszahl nach EGGERT und KÜSTER und dem mittleren Korndurchmesser
G. Kluge, W. Heimbrodt
J. Signal AM8 1, 19 (1980)