FORBIDDEN ONE-LO-PHONON RESONANT RAMAN-SCATTERING AND MULTIPHONON SCATTERING IN PURE CDTE CRYSTALS

被引：58
|
作者：
ISLAM, SS
RATH, S
JAIN, KP
ABBI, SC
JULIEN, C
BALKANSKI, M
机构：
[1] INDIAN INST TECHNOL,LASER TECHNOL RES PROGRAMME,NEW DELHI 110016,INDIA
[2] UNIV PARIS 06,PHYS SOLIDES LAB,PARIS 05,FRANCE
来源：
PHYSICAL REVIEW B | 1992年 / 46卷 / 08期
关键词：
D O I：
10.1103/PhysRevB.46.4982
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have performed experiments to show the resonant enhancement of the forbidden first-order LO mode at the E0 + DELTA-0 gap of pure CdTe at 17 K. We explain this forbidden scattering in terms of intrinsic intraband Frohlich interaction. In our experiments we also observe multiple-LO-phonon scattering up to four orders under both incoming and outgoing resonant conditions. The multiphonon spectra are briefly discussed and compared with other cadmium chalcogenides.
引用
收藏
页码：4982 / 4985
页数：4
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