Title :
Influence of plasma modes on surface dynamical conductivity of polar semiconductors
Author :
Kasiyan, A. ; Sandu, Alexandru ; Sur, Igor ; Dushchac, Viorel
Author_Institution :
Tech. Univ., Kishinau, Moldova
Abstract :
The dynamical conductivity of the inversion surface layer in a polar semiconductor is investigated theoretically taking into account the dynamical screening of electronic interactions, the formation of coupled plasmon-phonon modes and the electron scattering on these modes. Frequency and concentration dependencies of the conductivity are calculated for GaAs and PbTe. It is stated that the dynamical screening determines a considerable variation of the latter
Keywords :
inversion layers; phonon-plasmon interactions; plasmons; polar semiconductors; semiconductor plasma; surface conductivity; GaAs; PbTe; coupled plasmon-phonon modes; dynamical screening; electron scattering; electronic interactions; inversion surface layer; plasma modes; polar semiconductors; surface dynamical conductivity; Conductivity; Distribution functions; Electrons; Equations; Frequency; Kinetic theory; Phonons; Plasmas; Polarization; Scattering;
Conference_Titel :
Semiconductor Conference, 1995. CAS'95 Proceedings., 1995 International
Conference_Location :
Sinaia
Print_ISBN :
0-7803-2647-4
DOI :
10.1109/SMICND.1995.495043
