[seminar] VENERA NASRETDINOVA (IF, 19.11., 15 sati)

[IF Seminar]

Poštovani,

Obavještavamo Vas o održavanju seminara na Institutu za fiziku
u četvrtak 11. studenog u 15 sati (u zgradi Mladen Paić), koji
će održati Venera Nasretdinova, "Institute of Radioengineering 
and Electronics of the Russian Academy of Science" u Moskvi. 
Venera Nesretdinova je gošća na Institutu za fiziku u sklopu 
zajedničke suradnje s Damirom Starešinićem.


Sažetak predavanja je u nastavku poruke

  PHOTOCONDUCTION STUDY OF ENERGY STRUCTURE OF TAS3 AND SOME 
          OTHER QUASI-ONE-DIMENSIONAL CONDUCTORS

                     Venera Nasretdinova

     Institute of Radioengineering and Electronics of the 
    Russian Academy of Science, Moscow, Russian Federation

Energy structure of the Peierls gap in charge density wave systems 
orthorhombic TaS3, NbS3 and blue bronze K0.3MoO3 was examined by 
spectral study of photoconduction. In o-TaS3 the gap edge and energy 
levels inside the Peierls gap are observed. The amplitude of those 
energy levels is found to depend on both the temperature and the 
electric field of the order of 10 V/cm. The small value of the 
electric field indicates participation of the collective state in 
formation of the energy levels inside the Peierls gap. In NbS3 and 
K0.3MoO3 only the edges of the Peierls gap are observed. In contrast 
with o-TaS3 no energy levels are observed inside the Peierls gap for
both of these compounds. 


(Voditelji seminara IF-a: Marko Kralj & Berislav Horvatić)