| 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 "Theory to exciton dissociation at the interface between a conjugated polymer and an electron acceptor" at the "International Conference on Organic Electronics 2010 (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 "15h
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
|
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). |