EXCITATION PROFILES OF RAMAN-SCATTERING AND ELECTRON-PHONON COUPLING IN SEMICONDUCTOR NANOCRYSTALS

被引：8

作者：

BARANOV, AV

BOBOVICH, YS

PETROV, VI

机构：

[1] S.I. Vavilov State Optical Institute Birgevaya Liniya, 14

来源：

SOLID STATE COMMUNICATIONS | 1992年 / 83卷 / 12期

关键词：

D O I：

10.1016/0038-1098(92)90520-J

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The Raman scattering spectra of the semiconductor nanocrystals embedded in glass matrices are studied at the resonance excitation conditions. It is shown that the quantum-sized transitions with the angular momenta 1=0, 2 only contribute to the resonance Raman enhancement. The excitation Raman profile reveals the peaks not only within the first absorption band 1=0, n=1, but also in the region of the transitions with 1=2, n=1 and 1=0, n=2 in accordance with the theoretical analysis. The size dependence of electron-phonon coupling for the LO phonons and the elastic vibrations and its influence on the resonance Raman enhancement are discussed.

引用

页码：957 / 959

页数：3

共 13 条

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