The Department members are strongly involved in the organization of international and national scientific conferences and symposiums,  a total number being about 30, as members (or chairs) of Program and Organizing Committees:

1. Vice-Chair of the Program Committee, International Symposium "Physics at the Turn of the 21st Century", St. Petersburg, September 28-October 2, 1998
2. Chair of the Program Committee, International Symposium "Nanostructures: Physics and Technology", St. Petersburg, Russia (1998, 1997, 1996, 1995, 1994, 1993)
3. Member of the Program Committee, Russian Conference on Physics of Semiconductors (1998, 1996, 1994)
4. Member of the Program Committee, Ioffe Institute International Winter School on Physics of Semiconductors, St. Petersburg, Russia (1998, 1997, 1996)
5. Member of the Program Committee, 23^rd and 24^th International Conferences on Physics of Semiconductors, Berlin (1996), Jerusalem (1998)
6. Co-Chair of the Program Committee, International Semiconductor Device Research Symposium, Charlottesville, Virginia, USA (1997)
7. Chair of the Program Committee, 23rd International Symposium on Compound Semiconductors, St. Petersburg, Russia (1996)
8. Member of the Program Committee, International Conference on Superlattices, Microstructures and Microdevices, Liege, Belgium (1996)
9. Member of the Program Committee, International Symposium on Physical Concepts and Materials for Novel Optoelectronic Device Applications, Trieste, Italy (1993)

1. Member of the Program Committee, IEEE LEOS Summer Topical Workshop on Nanostructures and Quantum Dots, San Diego, CA, USA (1999)
2. Secretary of the Program Committee, Member of the Organising Committtee, International Symposium "Nanostructures: Physics and Technology", St. Petersburg, Russia (2000, 1999, 1998, 1997, 1996, 1995)

1. Member of the Organizing Committee, 2^nd International Workshop on New Approaches to Hi-Tech Materials'98, Nondestructive Testing and Computer Simulations in Material Science and Engineering, St. Petersburg, Russia (1998)
2. Member of the Program Committee, 10^th Interstate Conference on Radiation Phenomena in Physics and Materials Science, Alushta, Ukraine, (1997, 1998)
3. Member of the Organizing Committee, Lectures on the problems of hardness, St. Petersburg, Russia (1997, 1996, 1995)
4. Member of the Organizing Committee, International Ural Seminar on Radiation Damage Physics of Metals and Alloys, Snezhinsk, Russia (1997, 1995)
5. Member of the Program Committee, International Conference "Radiation Effects on Fusion Reactor Materials", Leningrad (1990), St. Petersburg, Russia (1994, 1992)
6. Member of the Program Committee, 8^th Interbranch School on Radiation Damage Physics in Solids, Alushta, USSR (1991)
7. Vice-Chair of the Organizing Committee, Chair of the Program Committee, USSR Permanent Seminars on Computer Simulation of Radiation and Other Defects in Crystals, Minsk (1991), Odessa (1990), Sumy (1990), Alma-Ata (1989), Tashkent (1988)
8. Chair of the Organizing Committee, All Union Seminars "Defects in crystals and problems of material hardness", Leningrad, USSR (1991, 1989)
9. Member of the Program Committee, 4^th International Conference "Researches and developments of construction materials for fusion reactors", Dubna, USSR (1990)
10. Member of the Organizing Committee, Leningrad Lectures "Defects in Crystals", Leningrad, USSR (1990)
11. Member of the Organizing Committee, International Conference on Radiation in Material Science, Alushta, USSR (1990)
12. Member of the Program Committee, All Union School "Basic Questions of Ion Implantation", Gorky, USSR (1990)
13. Member of the Program Committee, 7^th Interbranch School on Physics of Radiation Phenomena and Technologies, Alushta, USSR (1989)
14. Chair of the Organizing Committee, 3^rd All Union School on computer simulation of defects in metals, Borovoe, USSR (1989)
15. Member of the Program Committee, 8-th Interbranch Meeting on Radiation Damage Physics, Kharkov-Saltov, USSR (1988)
16. Member of International Scientific Advisory Committee of conferences in Technical University since 2000

1. Secretary of the Organizing Committee, International Workshop on Optoelectronics, St. Petersburg, Russia (1998)
2. Chair of Organizing Committee, Annual Workshop on Physics and Astronomy for St. Petersburg Young Scientist Grant winners of 1998, St. Petersburg, Russia (1998)
3. Chair of Organizing Committee, Annual Workshop on Physics and Astronomy for St. Petersburg Young Scientist Grant winners of 1997, St. Petersburg, Russia (1997)
4. Member of the Program Committee, Ioffe Institute International Winter School on Physics of Semiconductors, St. Petersburg, Russia (1996)
5. Member of the Organizing Comettee, 23^rd International Symposium on Compound Semiconductors, St. Petersburg, Russia (1996)

1. Member of the Organizing Committee, Ioffe Institute International Winter School on Physics of Semiconductors, St. Petersburg, Russia (1998).

1. Member of the Organising Committtee, International Symposium Nanostructures: Physics and Technology 2000, St. Petersburg, Russia.
2. Member of Organizing Committee, Annual Workshop on Physics and Astronomy for St. Petersburg Young Scientist Grant winners of 1998, St. Petersburg, Russia (1998)
3. Member of Organizing Committee, Annual Workshop on Physics and Astronomy for St. Petersburg Young Scientist Grant winners of 1997, St. Petersburg, Russia (1997)