|
| September 2024 |
LITHUANIA (Vilnius).
Member of the PhD Committee at the Center for Physical Sciences and Technology at the Vilnius University (Academic supervisor – Prof. Habil. Dr. Gintautas Tamulaitis (Vilnius University, Lithuania). |
| August 2024 |
BULGARIA (St. Konstantin).
Invited Talk "Fundamental spatial scales for charge transport and recombination in disordered
semiconductors" at the "23rd
International Shool on Condensed Matter Physics (ISCMP'23)" (Chairman:
Prof. H. Chamati, Institute of Solid State Physics, Sofia,
Bulgaria). |
| August 2024 |
UK (Manchester). Oral Presentation "Parametrization of the charge-carrier mobility in organic disordered semiconductors." at the "30th International Conference on Amorphous and Nano-Crystalline
Semiconductors" (Chairmen: Prof. Richard Curry, the University of Manchester). |
June 2024 |
MONTENEGRO (Herceg Novi). Oral Presentation
"Computation of electron density and mobility in disordered semiconductors" at the "12th International Conference on
Radiation (RAD'11)" (Chairman: Prof. G. Ristic, University of Niš ,
Serbia) |
| May 2024 |
USA (Minneapolis). Invited Talk
"Fundamental spatial scales for transport and recombination in disordered semiconductors." at the workshop "Long-range Interactions and Strong Disorder: In Physics and in Life" (William I. Fine Theoretical Physics Institute, University of Minnesota) |
June 2023 |
MONTENEGRO (Herceg Novi). Oral Presentation
"Energy scales of compositional disorder in alloy semiconductors for device applications" at the "11th International Conference on
Radiation (RAD'11)" (Chairman: Prof. G. Ristic, University of Niš ,
Serbia) |
| November 2022 |
GERMANY (Cologne). Invited
Lectures "Disorder Effects in Semiconductor Alloys and Organic Blends" at the Dept. of Chemistry, University of Cologne (Host: Prof. Klaus Meerholz). |
| September 2022 |
BULGARIA (St Konstantin).
Invited Talk "Disorder Effects on PL in Low-Dimensional Structures" at the "22th
International Shool on Condensed Matter Physics (ISCMP'22)" (Chairman:
Prof. H. Chamati, Institute of Solid State Physics, Sofia,
Bulgaria). |
| December 2021 |
FRANCE (Paris). Invited
Talk "Disorder Effects on PL in Low-Dimensional Structures" at the Simons Collaboration Workshop on Semiconductors, perovskites and 2D materials (Chairmen:Claude Weisbuch, Astor Rowe, Ecole Polytechnique,
Paris/Palaiseau, France). |
| August 2019 |
FRANCE (Paris/Palaiseau). Invited
Tutorial (90 min) "Theoretical description of charge transport in disordered solids: to simulate or to think? " at the "28th International Conference on Amorphous and Nano-Crystalline
Semiconductors" (Chairman: Prof. Pere Roca i Cabarrocas, Ecole Polytechnique,
Paris/Palaiseau, France). |
| May 2019 |
GERMANY (Cologne). Invited
Lectures "Generation, transport and recombination of charge carriers in disordered organic semiconductors" at the Dept. of Chemistry, University of Cologne (Host: Prof. Klaus Meerholz). |
| May 2019 |
USA (Santa Barbara). Invited
Talk "Disorder effects in semiconductors: known unknowns and fundamental scales" at the Santa Barbara Simons Meeting, University of California, Santa Barbara (Hosts: Prof. Claude Weisbuch and Prof.Jim Speck). |
|
| November 2018 |
GERMANY (Würzburg). Invited
Talk "Theory of Charge Transport in Disordered Organic
Semiconductors. To simulate or to think?" at the Inst. Exp. Phys. VI, University of Würzburg (Host: Prof. V. Dyakonov). |
| September 2018 |
BULGARIA (St Konstantin). Invited Talk "Theory of Charge Transport in Disordered Organic
Semiconductors. To simulate or to think?" at the "20th International Shool on
Condensed Matter Physics (ISCMP'18)" (Chairman: Prof. H. Chamati, Institute of Solid State Physics, Sofia, Bulgaria). |
| June 2018 |
MACEDONIA (Ohrid). Plenary
Invited Talk "Physics of direct conversion x-ray detectors
based on a-Se and a-PbO" at the "5th International Conference on
Radiation (RAD'5)" (Chairman: Prof. G. Ristic, University of Niš ,
Serbia). |
| April 2018 |
FRANCE (Le Houches) Series of Invited
Lectures "Effects of Disorder in Solid State" at Ecole de
Physique des Houches "EXCITONS in LOW-DIMENSIONALITY / DISORDERED
SEMICONDUCTORS AND THEIR APPLICATIONS IN THE DETECTION and EMISSION OF
LIGHT" (Host: Prof. Sébastien Chénais, Paris 13 University,
France). |
|
| December 2017 |
GERMANY (Dresden). Invited
Talk "Theory of Charge Transport in Disordered Organic
Semiconductors. To simulate or to think?" at the Dresden Integrated
Center for Applied Physics and Photonic Materials (IAPP), Technical
University Dresden (Host: A. Hofacker). |
| October - November 2017 |
FRANCE (Paris/Palaiseau) Stay
as a Distinguished Visiting Prof. at Ecole Polytechnique.
Talk: "Effects of Disorder in Solid State" (Host: Prof. Pere Roca i
Cabarrocas, Directeur de Recherche au CNRS Directeur du Laboratoire
PICM et de FedPV, Ecole Polytechnique, Paris/Palaiseau, France). |
| September 2017 |
CZECH REPUBLIC (Prague).
Invited Talk "Theoretical description of charge
transport in polymers: to simulate or to think?" at the "81st Prague
Meeting on Macromolecules" (Chairman: Profs. Jiří Pfleger and Věra
Cimrová, Institute of Macromolecular Chemistry, Czech Academy of
Sciences, Prague, Czech Republic). |
| August 2017 |
KOREA (Seoul). Mott Plenary
Lecture (60 min) "Theoretical description of charge transport
in disordered solids: to simulate or to think?" at the "27th
International Conference on Amorphous and Nano-Crystalline
Semiconductors" (Chairman: Prof. Jin Jang, Kyung Hee University Seoul,
Korea). |
| June 2017 |
MONTENEGRO (Budva). Invited
Talk "Columnar recombination in x-ray detectors based on a-Se"
at the "4th International Conference on Radiation (RAD'4)" (Chairman:
Prof. G. Ristic, University of Niš , Serbia). |
|
| July 2016 |
GREECE (Thesaloniki). Invited
Talk "Theory of Charge Transport in Disordered Organic
Semiconductors" at the ISFOE2016 "The 9th International Symposium on
Flexible Organic Electronics" (Chairman: Prof.S. Logothetidis, LTFN,
Aristotle University of Thessaloniki, Greece). |
| June 2016 |
CANADA (Montreal). Invited
Talk "Theory of Charge Transport in PbO" at the ICOOPMA 2016
"The 7th International Conference on Optical, Optoelectronic and
Photonic Materials and Applications" (Chairmen: Prof. Raman Kashyap,
(Polytechnique Montréal), Prof. Younès Messaddeq, (Université Laval),
Prof. Carlos Silva, (Université de Montréal)). |
| February 2016 |
GERMANY (Bayreuth). Invited
Talk "Theory of Charge Transport in Disordered Organic
Semiconductors" at the University Bayreuth (Host: Prof. A.
Köhler). |
|
| June 2015 |
GERMANY (Erlangen). Oral
Presentation "Theory to Charge Ttransport in Organic
Semiconductors" at the "International Conference on Organic Electronics
2015 (ICOE2015)" (Chairman: Prof. C. Brabec, University Erlangen). |
| June 2015 |
MONTENEGRO (Budva). Invited
Talk "Impact Ionization Phenomena in Disordered Systems
Related to the Avalanche Multiplication and Switching Effect" at the
"3rd International Conference on Radiation (RAD'3)" (Chairman: Prof. G.
Ristic, University of Niš , Serbia). |
| June 2015 |
RUSSIA (St. Petersburg). Oral
Presentation "Mechanism of Large Positive Hopping
Magnetoresistance in Dilute Magnetic Semiconductors" at the "Spin
physics, spin chemistry and spin technology" (SPCT-2015)" (Chairmen:
Prof. Kev Salikhov (Kazan E.K. Zavoisky Physical-Technical Institute,
Kazan, Russia,), Prof. Yuri Kusrayev and Prof. N. Averkiev (Ioffe
Institute, St.Petersburg, Russia)). |
| May 2015 |
GERMANY (Chemnitz). Invited
Talk "Theory of Charge Transport in Disordered Organic
Semiconductors" at the Technical University Chemnitz (Host: Prof. C.
Deibel). |
|
| September 2014 |
BULGARIA (St Konstantin).
Invited Talk "Mechanism of Large Positive Hopping
Magnetoresistance in Dilute Magnetic Semiconductors" at the "18th
International Shool on Condensed Matter Physics (ISCMP'18)" (Chairman:
Prof. A. Petrov, Institute of Solid State Physics, Sofia,
Bulgaria). |
| June 2014 |
RUSSIA (Moscow). Invited
Talk "Mechanism of Large Positive Hopping Magnetoresistance in
Dilute Magnetic Semiconductors" at the "Moscow International Symposium
on Magnetism MISM-2014" (Chairmen: Prof. A. Vedyayev. Prof. A.
Granovsky, Prof. N. Perov, Moscow State Univetrsity). |
| April 2014 |
GERMANY (Bremen). Invited
Talk "Theory of Charge Transport in Disordered Organic
Semiconductors" at the "Charge transport in organic materials - CECAM -
Workshop 2014" (Chairmen: Prof. T. Frauenheim, Univetrsity of
Bremen). |
|
| September 2013 |
POLAND (Warsaw). Invited
Plenary Lecture (45 min) "Theory of Charge Transport in
Disordered Organic Semiconductors" at the "2013 Fall Meeting of the
European Material Sosciety, E-MRS" (Chairmen: Prof. L.E. Hueso, CIC
nanoGUNE Consolider, Donostia-San Sebastián, Spain; Prof. V. Dediu,
Istituto per lo Studio dei Materiali Nanostrutturati Consiglio
Nazionale delle Ricerche (ISMN-CNR), Bologna, Italy). |
| September 2013 |
SPAIN (Girona). Invited
Talk "Electron Glass" (Host: Prof. S. Vyboishchikov,
University of Girona, Spain) |
| September 2013 |
SPAIN (Sant Feliu de Guíxols,
Barcelona). Oral Talk "How to Find out the Energy
Spectrum in Organic Smiconductors" at the "15th International
Conference on Transport in Interactiong Disordered Systems (TIDS15)"
(Chairman: Prof. M. Palassini, University of Barcelona, Spain) |
| August 2013 |
CANADA (Toronto). Invited
25th Anniversary Plenary Lecture (45 min) "Theory of Charge
Transport in Disordered Materials" at the "25th International
Conference on Amorphous and Nano-Crystalline Semiconductors" (Chairman:
Prof. S. Kasap, University of Saskatchewan, Canada). |
| August 2013 |
CANADA (Toronto). Invited
Tutorial Talk (90 min) "Generation, Transport and
Recombination of Charge Carriers in Amorphous Semiconductors" at the
"25th International Conference on Amorphous and Nano-Crystalline
Semiconductors" (Chairman: Prof. S. Kasap, University of Saskatchewan,
Canada). |
| August 2013 |
CANADA (Thunder bay). Invited
Tutorial Talk (90 min) "Generation, Transport and
Recombination of Charge Carriers in Amorphous Semiconductors" at the
"16th Canadian Semiconductor Science and Technology Conference"
(Chairman: Prof. A. Reznik, Lakehead University, Thunder Bay,
Canada). |
|
| September 2012 |
BULGARIA (St Konstantin).
Invited Talk "How to Find Out DOS in Organic
Semiconductors" at the "17th International Shool on Condensed Matter
Physics (ISCMP17)" (Chairman: Prof. A. Petrov, Institute of Solid State
Physics, Sofia, Bulgaria). |
| July 2012 |
CANADA (Thunder Bay). Invited
Talk "Organic Semiconductors: Physics and Applications" at the
seminar of the Thunder Bay Rigional Research Institute (Host: Prof. A.
Reznik, TBRRI and Lakehead University, Thunder Bay, Canada). |
| July 2012 |
RUSSIA (St.Petersburg).
Invited Talk "How to Find out the Energy Spectrum in
Organic Smiconductors" at the "8th International Conference on
Amorphous and Microcrystalline Semiconductors 2012 (AMS2012)"
(Chairman: Prof. E. Terukov, Ioffe Institute, St.Petersburg,
Russia). |
| June 2012 |
SPAIN (Tarragona). Invited
Talk "Generation,Ttransport and Recombination of Charge
Carriers in Organic Solar Cells" at the "International Conference on
Organic Electronics 2012 (ICOE2012)" (Chairman: Prof. B. Iñiguez, URV,
Spain). |
| June 2012 |
JAPAN (Nara) Invited
Talk "Generation,Ttransport and Recombination of Charge
Carriers in Organic Solar Cells" at the "5th International Conference
on Optical and Optoelectronic Properties of Materials and
Applications-ICOOPMA2012" (Chairman: Prof. H. Naito, Osaka Prefecture
University, Japan). |
|
| September 2011 |
ISRAEL (Akko). Invited
Talk "Theory of exciton dissociation at the interface between
a polymer and an electron acceptor" at the "14th International
Conference on Transport in Interactiong Disordered Systems (TIDS14)"
(Chairman: Prof. A. Frydman, Bar-Ilan University Tel Aviv, Israel) |
| August 2011 |
JAPAN (Nara) Oral presentation (20
min) "Concentration dependence of the transport path for charge
carriers in organic semiconductors" at the "24th International
Conference on Amorphous and Nanocrystalline Semiconductors -ICANS24"
(Chairman: Prof. H. Okamoto, University of Osaka). |
| August 2011 |
JAPAN (Nara) Oral presentation (20
min) "Theory of exciton dissociation at the interface between a polymer
and an electron acceptor" at the "24th International Conference on
Amorphous and Nanocrystalline Semiconductors -ICANS24" (Chairman: Prof.
H. Okamoto, University of Osaka). |
| August 2011 |
CANADA (Thunder Bay). Invited
Talk "Theory of Geminate Recombination in Organic
Semiconductors" at the seminar of the Thunder Bay Rigional Research
Institute (Host: Prof. A. Reznik, TBRRI and Lakehead University,
Thunder Bay, Canada). |
| August 2011 |
CANADA (Thunder Bay). Invited
Talk "Effect of Diffusion on Bimolecular Recombination in
Two-Dimensional Systems" at the seminar of the Thunder Bay Rigional
Research Institute (Host: Prof. A. Reznik, TBRRI and Lakehead
University, Thunder Bay, Canada). |
| June 2011 |
ITALY (Rome). Oral presentation (20
min) "Theory to exciton dissociation at the interface between a
conjugated polymer and an electron acceptor" at the "International
Conference on Organic Electronics 2011 (ICOE2011)" (Chairman: Prof. L.
Mariucci ,CNR-IMM, Italy). |
|
| October 2010 |
MEXICO (Mexico-City). Invited
Talk "Electron Glass" at the Seminar of UNAM (Host: Dr. G.E.
Romero-Sandoval, UNAM, Mexico-City) |
| October 2010 |
MEXICO (Puebla). Invited
Talk "Coulomb Effects for Energy Spectrum of Disordered
Systems" at the 2d Int. Workshop on Advanced Materials for
Optoelectronics (Chairman: Prof. A. Kosarev) |
| October 2010 |
MEXICO (Puebla). Invited
Talk "Couomb Effects for Light Absorption in Disordered
Materials" at the 2d Int. Workshop on Advanced Materials for
Optoelectronics (Chairman: Prof. A. Kosarev) |
| October 2010 |
MEXICO (Puebla). Invited
Talk "Coulomb Effects for Recombination of Charge Carriers in
Disordered Materials" at the 2d Int. Workshop on Advanced Materials for
Optoelectronics (Chairman: Prof. A. Kosarev) |
| September 2010 |
CANADA (Thunder Bay). Invited
Talk "Electron Glass" at the seminar of the Thunder Bay
Rigional Research Institute (Host: Prof. O. Rubel, TBRRI and Lakehead
University, Thunder Bay, Canada). |
| August 2010 |
BULGARIA (St Konstantin).
Invited Talk (Georgi Nadjakof Lecture) "Theoretical
Description of Charge Transport in Organic Solids" at the "16th
International Shool on Condensed Matter Physics (ISCMP'16" (Chairman:
Prof. A. Petrov, Institute of Solid State Physics, Sofia,
Bulgaria). |
| August 2010 |
HUNGARY (Budapest). Invited
Talk "Generalized Onsager-Frenkel recombination of optically
generated electron-hole pairs" at the "4th International Conference on
Optical, Optoelectronic and Photonic Materials and Applications
(ICOOPMA2010" (Chairman: Prof. S. Kokenyesi, University of Debrecen,
Hungary). |
| July 2010 |
AUSTRALIA (Brisbane). Invited
Talk "Effects of Disorder on Photoluminescence in Quantum
Structures" at the "9th International Conference on Excitonic and
Photonic Processes in Condensed and Nano Materials (EXCON'10)"
(Chairman: Prof. J. Singh, Charles Darwin University, Darwin,
Australia). |
| June 2010 |
FRANCE (Paris). Upgraded Talk
(30 min) "Effects of Electric Field on Charge Transport in
Disordered Organic Solids" at the "International Conference on Organic
Electronics 2010 (ICOE2010)" (Chairman: Prof. G. Horowitz, University
Paris Diderot, France). |
| April 2010 |
SPAIN (Palma de Mallorca).
Plenary Invited Talk (60 min) "Theoretical Description
of Charge Transport in Organic Semiconductors" at the "International
Symposium on Flexible Electronics 2010 (ISFR'10)" (Chairman: Prof. R.
Picos, Universitat de les Illes Balears (UIB), Spain). |
| March 2010 |
FINLAND (Turku). Invited
Talk "Effects of disorder on optical properties of quantum
structures" at the Abo Akademi University (Host: Prof. R.
Österbacka). |
| March 2010 |
GERMANY (Mainz). Invited
Talk "Theory of charge carrier transport in disordered organic
solids" at the Max Planck Institute for Polymer Research (Host: Dr. F.
Laquai) |
|
| October 2009 |
GERMANY (Oldenburg). Invited
Talk "Analytical theory of transport in tunnel diodes for
multilayered solar cells" (With K. Jandieri) (Host: Dr. C. von Meidel,
University Oldenburg). |
| October 2009 |
AUSTRIA (Vienna). Invited
Talk "Description of Charge Transport in Disordered Organic
Materials" at the "International Concerence of the Electrochemical
Society (ECS216)" (Chairman: Prof. M.J. Deen, McMaster University,
Canada). |
| September 2009 |
HUNGARY (Rackeve). Invited
Talk with F. Janssen "Effects of High Electric Fields in
Hopping Transport" at the International Conference on "Transport in
Interactiong Disordered Systems (TIDS13)" (Chairmen: Prof. P. Thomas,
University Marburg, Germany, Prof. I. Varga, University of Budapest,
Hungary). |
| August 2009 |
THE NETHERLANDS (Utrecht) Oral
presentation with F. Jansson (20 min) "Negative differential
conductivity in the hopping transport model" at the "23th International
Conference on Amorphous and Nanocrystalline Semiconductors -ICANS23"
(Chairman: Prof. R. Schropp, University of Utrecht). |
| August 2009 |
THE NETHERLANDS (Utrecht) Oral
presentation with O. Rubel (20 min) "Exact solution for hopping
dissociation of germinate electron-hole pairs in a disordered chain" at
the "23th International Conference on Amorphous and Nanocrystalline
Semiconductors -ICANS23" (Chairman: Prof. R. Schropp, University of
Utrecht). |
| July 2009 |
GERMANY (Giessen). Invited
Talk "Theory of Photoluminescence in Quantum Wells" (With K.
Jandieri) at the Workshop on Material Research (Organizer: Prof. W.
Heimbrodt, University Marburg). |
| June 2009 |
GERMANY (Aachen). Invited
Talk "Analytical theory of transport in tunnel diodes for
multilayered solar cells" (With K. Jandieri) (Host: Prof. M. Wuttig,
RWTH Aachen). |
|
| December 2008 |
GERMANY (Oldenburg). Invited
Talk "Theory of charge transport in organic semiconductors"
(Host: Prof. Dr. J. Parisi, University Oldenburg). |
| October 2008 |
MEXICO (Puebla). Invited
Talk "Description of Charge Transport in Disordered Organic
Materials" at the 1st Int. Workshop on Advanced Materials for
Optoelectronics (Chairman: Prof. A. Kosarev) |
| October 2008 |
MEXICO (Puebla). Invited
Talk "Description of Charge Transport in Ionic Glasses" at the
1st Int. Workshop on Advanced Materials for Optoelectronics (Chairman:
Prof. A. Kosarev) |
| October 2008 |
MEXICO (Puebla). Invited
Talk "Description of Charge Transport in DNA Molecules" at the
1st Int. Workshop on Advanced Materials for Optoelectronics (Chairman:
Prof. A. Kosarev) |
| September 2008 |
JAPAN (Osaka). Invited
Talk "Description of Charge Transport in Disordered Organic
Materials" at the Osaka Prefecture University (Host: Prof. H.
Naito) |
| September 2008 |
JAPAN (Inuyama). Invited
Talk "Physics in the USSR, a personal view" at the Int.
Workshop on Physics of Chalcogenides (Chairman: Prof. K. Tanaka,
University of Sapporo, Japan). |
| September 2008 |
JAPAN (Nagoya). Invited
Talk "Mechanism of Impact Ionization in Disordered Ssystems
Used for Imaging and Optical Storage" at the 69th Meeting of the Japan
Soc. of Appl. Physics (Chairman: Prof. K. Tanaka, University of
Sapporo, Japan). |
| August 2008 |
AUSTRIA (Riezlern). Invited
Talk "Physics in the USSR, a personal view" at the Int.
Workshop of German-Hungerian Graduate Programm "Electron-electron
interactions in solids" (Chairman: Prof. F. Gebhard, Philipps
University Marburg, Germany). |
| August 2008 |
CANADA (Toronto). Invited
Talk "Mechanism of Impact Ionization in Disordered Ssystems
Used for Imaging and Optical Storage" at the "Int. Workshop on Medical
Imaging" (Chairman: Prof. A. Reznik, Sunnybrook Health Sc. Center,
Toronto, Canada). |
| July 2008 |
CANADA (Edmonton). Invited
Talk "Effects of Disorder on Optical Excitations in
Semiconductor Heterostructures" at the "ICOOPMA2008, International
Conference on Optical, Optoelectronic and Photonic Materials and
Applications" (Chairman: Prof. S. Kasap, University of Saskatchewan,
Canada). |
| June 2008 |
GERMANY (Aachen). Invited
Talk "Effects of Disorder on Photoluminescence in
Low-Dimensional Structures" (Host: Prof. M. Wuttig, RWTH Aachen). |
| January 2008 |
FINLAND (Turku). Invited
Talk "Description of Charge Transport in Disordered Organic
Materials" at the Abo Akademi University (Host: Prof. R.
Österbacka). |
| January 2008 |
GERMANY (Marburg). Invited
Talk "On the Theory of Ion Motion in Disordered Systems"
(Chairman: Prof. K.-M. Weitzel). |
|
| September 2007 |
AUSTRIA (Vienna). Invited
Talk "Description of Charge Transport in Disordered Organic
Materials" at the "Workshop on Organic Electronics SISPAD2007"
(Chairman: Prof. T. Grasser, Technical University of Vienna,
Austria). |
| August 2007 |
USA (Breckenridge, Colorado). Oral
presentation (20 min) "On the Theory of Impact Ionization in Amorphous
Semiconductors" at the "22th International Conference on Amorphous and
Nanocrystalline Semiconductors -ICANS22" (Chairman: Dr. H. Branz, NREL,
USA). |
| July 2007 |
UK (London). Invited
Talk "Mechanism of Impact Ionization in Disordered Ssystems
Used for Optical Storage" at the "ICOOPMA2007, International Conference
on Optical, Optoelectronic and Photonic Materials and Applications"
(Chairman: Prof. A. Ray, Queen Mary, University of London, UK). |
| June 2007 |
THE NETHERLANDS (Eindhoven).
Invited Talk "Description of Charge Transport in
Disordered Organic Materials" at the "International Conference on
Organic Electronics - ICOE 2007" (Chairman: Prof. W. Ecleston,
University of Liverpool, UK). |
| April 2007 |
COLOMBIA (San Andres).
Invited Talk "Disorder Effects for Optical Excitations
in Quantum Heterostructures" at the "Sixth International Conference on
Low Dimensional Structures and Devices - LDSD 2007" (Chairman: Prof. M.
Henini, Nottingham University, UK). |
| March 2007 |
USA (New York). Invited
Talk "Theory of the Photoluminescence and Photoconductivity in
Amorphous Semiconductors" at the Yeshiva University (Host: Prof. S.
Buldyrev). |
|
| September 2006 |
BULGARIA (Varna). Invited
Talk "Temperature Quenching of Photoluminescence in Disordered
Semiconductors" at the "14th International School on Condensed Matter
Physics, 14 ISCMP" (Chairmen: Prof. A. Petrov, Institute of Solid State
Physics, Sofia, Bulgaria, Prof. J. Marshall, University of Swansea,
UK). |
| July 2006 |
AUSTRALIA (Darwin). Invited
Talk "Disorder Effects for Optical Excitations in Quantum
Heterostructures" at the "International Conference on Optical and
Optoelectronic Properties of Materials and Applications -ICOOPMA2006"
(Chairman: Prof. J. Singh, Ch. Darwin University). |
| May 2006 |
GERMANY (Aachen). Invited
Talk "Electron Glass" at the RWTH-Aachen University (Host:
Prof. Dr. M. Wuttig). |
| March 2006 |
CANADA (Toronto). Invited
Talk "Electron Transport in DNA" at the Sunnybrook &
Women's College Health Sciences Centre (Host: Prof. Dr. John A.
Rowlands). |
|
| December 2005 |
GERMANY (Stuttgart). Invited
Talk "Electron Glass" at the University of Stuttgart (Host:
Prof. Dr. M. Dressel). |
| September 2005 |
PORTUGAL (Lisbon). Oral presentation
(20 min) "On the description of hopping conductivity in disordered
organic solids" at the "21th International Conference on Amorphous and
nanocrystalline Semiconductors -ICANS21" (Chairman: Prof. R. Martens,
University of Lisbon). |
| September 2005 |
THE NETHERLANDS (Egmond aan Zee).
Oral presentation (30 min) "On the description of hopping conductivity
in disordered organic solids" at the "11th International Conference on
Transport and Interactions in Disordered Systems -TIDS11" (Chairman:
Prof. H. Brom, University of Leiden). |
| July 2005 |
GERMANY (Osnabrück). Invited
Talk "Electron Glass" at the University of Osnabrück (Host:
Dr. E. Shamonina). |
| June 2005 |
ROMANIA (Sinaia). Invited
Plenary Talk "Theoretical Description of Hopping Transport in
Disordered Materials" at the "2d International Workshop on Amorphous
and Nanostructured Chalcogenides - Fundamentals and Applications-
ANC-2" (Chairman: Prof. M. Popescu, University of Bucharest,
Romania). |
| May 2005 |
GERMANY (Darmstadt). Invited
Talk "Theoretical Description of Hopping Transport in
Disordered Materials" at the TU Darmstadt (Host: Prof. H. von
Seggern). |
| May 2005 |
THE NETHERLANDS (Eindhoven).
Invited Talk "Theoretical Description of Hopping
Transport in Disordered Materials" at the TU Eindhoven (Host: Prof.
P.Bobbert). |
|
| September 2004 |
BULGARIA (Varna). Invited
Talk "Hopping Relaxation of Excitons in Quantum Wells and
Quantum Islands" at the "13th International School on Condensed Matter
Physics, 13 ISCMP" (Chairman: Prof. J. Marshall, University of Swansea,
UK). |
| September 2004 |
GERMANY(Potsdam). Invited
Talk "Charge Transport Mechanisms in microcrystalline
Semiconductors" at the "International Conference on Polycristalline
Semiconductors 2004, POLYSE 2004" (Chairman: Priv.Doz. Dr. N. Nickel,
HMI Berlin, Germany). |
| September 2004 |
GERMANY (Marburg). Oral presentation
(25 min) "Nucleobase Sequence Dependence of Charge Transfer through DNA
Bridges" at the "85th International Bunsen - Discussion - Meeting:
Chemical Processes of Ions - Transport and Reactivity " (Chairman:
Prof. K.-M. Weitzel, University of Marburg, Germany). |
|
| September 2003 |
ITALY (Trieste). 4 presentations
(invited and 3 posters) at the "10th International Conference on
Hopping and Related Phenomena, HRP-10" (Chairman: Prof. H. Böttger,
University of Magdeburg, Germany). |
| July 2003 |
GERMANY (Dortmund). Invited
Talk "Theoretical description of hopping transport in
disordered materials" at the seminar of the Department of Physics,
University Dortmund (Host: Prof. Roland Böhmer). |
| May 2003 |
GERMANY (Berlin). Colloquium
Talk "Electron Glass Transition", Hahn-Meitner Institute,
Department of Silicon Photovoltaic (Hosts: Prof. W. Fuhs, Dr. K. Lips,
Dr. Ch. Boeme). |
| May 2003 |
DENMARK (Roskilde). Invited
Talk "Electron Glass Transition" at the "International
Workshop on Viscous Liquids" (Chairman: Prof. J. Dyre, University of
Roskilde, Denmark). |
| February 2003 |
GERMANY (Marburg). Colloquium
Talk "Effects of Disorder and Interactions in Solids" at the
Colloquium of the Department of Physics, Philipps University. |
|
| November 2002 |
GERMANY (Bad Honnef). Invited
Talk "Coulomb Effects for Band-Tail Electrons" at the
"8th Biennial Conference: Amorphous and Microcrystalline
Semiconductors" (Chairman: Dr. R. Carius, Forschungszentrum Julich,
Germany). |
| September 2002 |
BULGARIA (St. Konstantin).
Invited Talk "Coulomb Effects in Disordered
Semiconductors" at the "ISCMP 12: 12th International School
on Condensed Matter Physics" (Chairman: Prof. J. Marshal, University of
Swansea, UK). |
| January 2002 |
GERMANY (Hannover). Invited
Talk "Theoretical Description of Hopping Transport in
Disordered Systems" at the Institute of Physical Chemistry, University
of Hannover (Host: Prof. P. Heitjans). |
|
| November 2001 |
AUSTRIA (Linz). Invited
Talk "Theoretical Description of Electronic Transport in
Organic Photoconductors" at the Institute for Organic Solar Cells,
University of Linz (Host: Prof. N. S. Sariciftci). |
| November 2001 |
GERMANY (Karlsruhe). Invited
Talk "Excitons in Disordered Systems" at the Institute of
Applied Physics, University of Karlsruhe (Host: Prof. M. Wegener). |
| October 2001 |
GERMANY (Bad Honnef). Invited
Talk "Kinetic Properties of Disordered Organic and Inorganic
Systems" at the International WE-Seminar "Recent Developments in the
Physics of Liquids" (Chairman: Prof. R. Winter, Department of Physical
Chemistry, University of Dortmund). |
| September 2001 |
GERMANY (Heidelberg). Invited
Talk "Theoretical Description of Electronic Transport in
Organic Semiconductors" at the German Cancer Research Center (Host:
Prof. S. Suhai, Department of Molecular Biophysics, German Cancer
Research Center, Heidelberg). |
| September 2001 |
ISRAEL (Shefaym). Invited
Talk"Theoretical Description of Electronic Transport in
Organic Photoconductors" at the "9th International
Conference Hopping and Related Phenomena" (Chairman: Prof. A. Frydman,
Department of Physics, Bar Ilan University, Tel Aviv). |
| August 2001 |
FRANCE (Nice). 2 Oral presentations:
"Universal Theoretical Description of Electronic Transport in
Disordered Organic and Inorganic Semiconductors" and "Coulomb Effects
on the Band-Tail Electrons and Doping Efficiency in Amorphous
Semiconductors" at the "19th International Conference on Amorphous and
Microcrystalline Semiconductors" (Chairman: Prof. B. Equer, Laboratoire
PICM, Ecole Polytechnique, Palaiseau, France). |
| March 2001 |
ISRAEL (Dead Sea). Invited
Talk "Electron-Glass Transition in Disordered Systems with
Localized Electrons" at the International Minerva School on "Frontiers
in Physics of Complex Systems" (Chairman: Prof. R. Berkovitz,
Department of Physics, Bar Ilan University, Tel Aviv, Israel). |
| March 2001 |
JAPAN (Atsugi). Invited
Talk "Photoluminescence and Photoconductivity in Disordered
Semiconductors" at the Tokyo Institute of Polytechnics (Host: Prof. T.
Aoki) |
| March 2001 |
JAPAN (Gifu). Invited
Talk "Photoluminescence and Photoconductivity in Disordered
Semiconductors" at the University of Gifu (Host: Prof. K.
Shimakava). |
|
| December 2000 |
GERMANY (Berlin). Invited
Talk "Transport Mechanism in Microcrystalline Silicon" at the
Hahn-Meitner Institute, Berlin (Host: Prof. W. Fuhs). |
| October 2000 |
GERMANY (Bad Honnef). Invited
Talk "Transport Mechanism in Organic Disordered Materials" at
the Meeting "Amorphous Semiconductors 7" (Chairman: Dr. R. Carius,
Science Center Julich, Germany |
| September 2000 |
BULGARIA (St. Konstantin).
Invited Talk "Transport Mechanism in Organic
Disordered Materials" at the "ISCMP 11: 11th International
School on Condensed Matter Physics" (Chairman: Prof. J. Marshal,
University of Swansea, UK). |
| July 2000 |
GERMANY (Munich). Invited
Talk "Transport Mechanism in Organic Disordered Materials" at
the Technical University of Munich (Host: Prof. F. Koch). |
| July 2000 |
AUSTRIA (Bad Gastein).
Invited Talk "Transport Mechanism in Organic
Photoconductors" at the "ICSM 2000: International Conference on Science
and Technology of Synthetic Metals" (Chairman: Prof. G. Leising,
Technical University Graz, Austria). |
| March 2000 |
JAPAN (Yokohama). Invited
talk "Electron Glass" at the Department of Physics, Keio
University (Host: Prof. F. Yonezawa). |
| January 2000 |
AUSTRIA (Graz). Invited
Talk "Photoluminescence and Photoconductivity in Disordered
Semiconductors" at the Technical University Graz (Host: Prof. G.
Leising). |
|
| October 1999 |
AUSTRIA (Riezlern). Participation in
the Seminar on Modern Problems in Solid State Physics. |
| September 1999 |
SPAIN (Murcia). Invited
Talk"Transport Mechanism in Ionic Glasses" at the
"International Conference on Hopping and Related Phenomena (HRP-8)"
(Chairman: Prof. M. Ortuno, University of Murcia, Spain). Contributed
presentations at this Conference: "Transport Energy for Förster
Processes", "Temperature-Dependent Exciton Luminescence in Quantum
Wells". |
| July 1999 |
GERMANY (Berlin). Invited
Talk PL und PC in Microcrystalline Semiconductors" at the
Hahn-Meitner Institute, Berlin (Host: Prof. W. Fuhs). |
| May 1999 |
GERMANY (Dortmund). Contributed
Presentations at the Meeting of the German Chemical Society
(Bunsentagung) (Chairman: Prof. R. Winter, University Dortmund,
Germany): 1. "On the Ion Transport in Glasses"; 2. "Ion-Induced
Nucleation of Saturated Vapours". |
| April 1999 |
FRANCE (Paris). Invited
Talk "Non-Linear Photoconductivity in Disordered
Semiconductors" at the Ecole Polytechnique (Host: Prof. B. Equer). |
|
| December 1998 |
GERMANY (Münster). Invited
Talk "Transport Mechanism in Ionic Glasses" at the University
of Münster (Host: Prof. K. Funke). |
| November 1998 |
GERMANY (Eitorf). Invited
Talk "Transport Mechanism in Microcrystalline Semiconductors"
at the Seminar Amorphous and Microcrystalline Semiconductors (Chairman:
Dr. R. Carius). |
| November 1998 |
GERMANY (Hanau). Participation in the
Seminar Material Sciences in the Boarder Fields between Physics and
Chemistry. |
| September 1998 |
BULGARIA (Varna). Invited
Talk "Temperature-Dependent Exciton Luminescence in Quantum
Wells with Disorder" at the International Conference "Thin Film
Materials and Device Developments in Science and Technology" (Chairman:
Prof. N. Kirov). |
| August 1998 |
ISRAEL (Jerusalem).Contributed
presentation "Temperature-Dependent Exciton Dynamics in Quantum Wells"
at the "24th International Conference on the Physics of
Semiconductors" (Chairman: Prof. E. Cohen). |
| July 1998 |
GERMANY (Regensburg). Invited
Talk "Relaxation of Excitons in Disordered Semiconductors" at
the University of Regensburg (Host: Prof. U. Rössler). |
|
| August 1997 |
HUNGARY (Budapest). 2 Oral
presentations: "On the Einstein Relation for Hopping Electrons" and
"Thermally Stimulated Conductivity in Disordered Semiconductors" at the
"17th International Conference on Amorphous and Microcrystalline
Semiconductors" (Chairman: Prof. S. Kugler, Technical University
Budapest, Hungary). |
| August 1997 |
HUNGARY (Rackeve). Invited
Talk "Thermally Stimulated Conductivity in Disordered
Semiconductors" at the International Conference "Hopping and Related
Phenomena (HRP-7)" (Chairman: Prof. P. Thomas, University Marburg,
Germany). |
| August 1997 |
BELGIUM (Leuven). Invited
talk "Photoinduced Anisotropy in Chalcogenide Glasses" at the
Department of Physics of the Catholic University Leuven (Host: Prof.
G.J. Adriaenssens). |
| July 1997 |
GERMANY (Berlin). Invited
talk "Low-Temperature Photoluminescence and Photoconductivity
in Amorphous Semiconductors" at the Colloquium of the Physics
Department of the Humboldt University Berlin (Host: Prof. R.
Zimmermann). |
| July 1997 |
GERMANY (Berlin). Invited
talk "Transport Mechanism in Microcrystalline Silicon" at the
Hahn-Meitner Institute Berlin (Host: Prof. W. Fuhs). |
| March 1997 |
JAPAN(Tsukuba). Invited
talk "Electron Glass" at the National Institute for Advanced
Interdisciplinary Research (NAIR), (Host: Prof. K. Tanaka). |
|
| November 1996 |
SPAIN (Seville). Invited
visit at the Department of Physics, University of Sevilla
(Host: Prof. J. Mejias). |
| October 1996 |
AUSTRIA (Riezlern). Participation in
the Seminar on Modern Problems in Material Sciences. |
| September 1996 |
BULGARIA (St. Konstantin).
Invited Talk "Photoconductivity in Disordered
Semiconductors" at the "International Workshop on Solid State Physics"
(Chairman: Prof. J. Marshall, University of Swansea, UK). |
| March 1996 |
CHINA (Beijing). Invited
Talk "Photoluminescence and Photoconductivity in Amorphous
Semiconductors" at the Graduate School, University of Science and
Technology of China, Academia Sinica (Host: Prof. M. Zhu). |
|
| December 1995 |
FRANCE (Paris). Invited
talk "Non-Linear Hopping Transport" at the Ecole Politechnique
(Host: Prof. B. Equer). |
| September 1995 |
AUSTRIA (Riezlern). Participation in
the Seminar on Modern Problems in Material Sciences. |
| October 1995 |
ISRAEL (Beer-Sheva, Tel Aviv,
Jerusalem). Invited talks "Hopping Photoconductivity
in Disordered Semiconductors" and "Coulomb Glass" at the University of
Beer-Sheva and the Bar Ilan University, Tel Aviv (Hosts: Prof. V.
Lyubin (Uni-Beer-Sheva) and Prof. I. Shlimak (Bar Ilan Uni-Tel
Aviv)). |
| September 1995 |
JAPAN (Kobe). Invited
talk "Hopping Transport in Band Tails" at the "16th
International Conference on Amorphous and Microcrystalline
Semiconductors (ICAMS-16)" (Chairperson: Prof. F. Yonezawa, Keio
University). |
| April 1995 |
BELGIUM (Leuven). Invited
talk "Photoluminescence and Photoconductivity in Amorphous
semiconductors" at the Department of Physics of the Catholic University
Leuven (Host: Prof. G.J. Adriaenssens). |
|
| September 1994 |
BULGARIA (St. Konstantin).
Invited Talk "Transport Energy in Disordered
Semiconductors" at the "International Workshop on Solid State Physics"
(Chairman: Prof. J. Marshall, University of Swansea, UK). |
| August 1994 |
AUSTRIA (Riezlern). Participation in
the Seminar on Modern Problems in Material Sciences. |
| March 1994 |
BELGIUM (Leuven). Invited
talk "Hopping Photoconductivity in Doped Amorphous
Semiconductors" at the Department of Physics of the Catholic University
Leuven (Host: Prof. G.J. Adriaenssens). |
| April 1994 |
FRANCE (Paris).Invited
visit at the Ecole Politechnique (Host: Prof. B. Equer). |
|
| September 1993 |
U.K. (Cambridge). Invited
talk "Non-Linear Hopping Transport in Disordered Materials" at
the "15th International Conference on Amorphous and
Microcrystalline Semiconductors (ICAMS-15)" (Chairman: Prof. E.
Davis). |
| August 1993 |
U.K.(Glasgow). Invited
Talk "Hopping Photoconductivity in Doped Amorphous
Semiconductors" at the International Conference "Hopping and Related
Phenomena (HRP-6)" (Chairman: Prof. A. Long, University of
Glasgow). |
| July 1993 |
BELGIUM (Leuven). Invited
talk "Transport Energy in Amorphous Semiconductors" at the
Department of Physics of the Catholic University Leuven (Host: Prof.
G.J. Adriaenssens). |
| February 1993 |
GERMANY (Marburg). Invited
talk "Theoretical Description of Hopping Photoconductivity in
Disordered Materials" at the Workshop on Modern Problems in Material
Sciences (Host: Prof. W. Fuhs, Marburg University). |
|
| September 1992 |
BELGIUM (Leuven). Invited
talk "Relaxation of Excitons in Amorphous Semiconductors" at
the Department of Physics of the Catholic University Leuven (Host:
Prof. G.J. Adriaenssens). |
| July 1992 |
GERMANY (Munich). Invited
talk "Photoluminescence and Photoconductivity in Amorphous
Semiconductors" at the "International Workshop on Light-Emitting
Silicon" (Chairman: Prof. F. Koch, TU Munich). |
| June 1992 |
GERMANY (Holzau). Invited
talk "Photoluminescence and Photoconductivity in Amorphous
Semiconductors" at the "Workshop on Amorphous Semiconductors"
(Chairman: Prof. Th. Frauenheim, University of Chemnitz). |
| April 1992 |
BAHRAIN (Manama). Invited
talk "Characterization of Doped Semiconductors with the
Photothermal Magnetospectroscopy" at the "International Workshop on
Solid State Physics" (Chairman: Dr. W. Alnaser, University of
Bahrain). |
| March 1992 |
SWITZERLAND (Lausanne,
Neuchatel)Invited talks "Characterization of Doped
Semiconductors with the Photothermal Magnetospectroscopy and
Photoluminescence" and "Photoconductivity in Amorphous Semiconductors"
at the Ecole Polytechnique Federale de Lausanne (EPFL), Lausanne and
the Institute of Microtechnology, University of Neuchâtel, Neuchatel
(Hosts: Prof. K. Mashke (Lausanne) and Prof. A. Shah (Neuchatel)). |
|
| October 1991 |
ISRAEL (Haifa). Invited
talk "Photoluminescence and Photoconductivity in Amorphous
Semiconductors" at the Seminar of the Solid State Institute of the
"Technion" (Host: Prof. K. Weiser). |
| September 1991 |
AUSTRIA (Riezlern). Participation in
the Seminar on Modern Problems in Material Sciences. |
| July 1991 |
ITALY (Rom). Invited
talk "Photoluminescence and Photoconductivity in Amorphous
Semiconductors" at the Seminar of the Department of Physics, University
La Sapienza, Rome (Host: Prof. F. Evangelisti). |
|
| December 1990 |
U.K. (London). Invited
talk "Photoluminescence and Photoconductivity in Amorphous
Semiconductors" at the International Chelsea Meeting on Amorphous
Semiconductors (Chairman: Prof. E. Davis). |
| December 1990 |
FRANCE (Paris). Invited
talk"Photoluminescence and Photoconductivity in Amorphous
Semiconductors" at the Ecole Politechnique (Host: Prof. B. Equer). |
| December 1990 |
FRANCE (Strassburg). Contributed
presentation "Characterization of Doped Semiconductors with the
Photothermal Magnetospectroscopy" at the "Meeting of the European
Material Society". |
| September 1990 |
THE NETHERLANDS (Amsterdam). Contributed
presentation "Characterization of Doped Semiconductors with the
Photothermal Magnetospectroscopy" at the "International Conference on
Computational Physics". |
| June 1990 |
GERMANY (Bad Honnef). Invited
talk "Photoluminescence and Photoconductivity in Amorphous
Semiconductors" at the "Seminar on Amorphous Semiconductors" (Chairman:
Prof. P. Thomas). |
| May 1990 |
GERMANY (Erlangen). Invited
talk "Coulomb Gap in Lightly Doped Semiconductors" at the
Colloquium of the Physics Department, University Erlangen-Nurnberg
(Hosts: Prof. G. Döhler and Prof. L. Ley). |
|
| September 1989 |
U.S.A. (Raleigh). Invited
talk "Characterization of Doped Semiconductors with the
Photothermal Magnetospectroscopy" at the Physics Seminar of the North
Carolina State University (Raleigh) (Host: Prof. M. Paessler). |
| September 1989 |
U.S.A. (Chapel Hill). Invited
talk "Theory of the Photoluminescence and Photoconductivity in
Amorphous Semiconductors" at the "International Conference on Hopping
and Related Phenomena (HRP-3)" (Chairman: Prof. M. Pollak). |