THE VIBRATIONAL-MODE SOFTENING IN THIN-FILM CDS

被引：8

作者：

DAI, CM ^{[1
]}

CHUU, DS ^{[1
]}

机构：

[1] NATL CHIAO TUNG UNIV,DEPT ELECTROPHYS,HSINCHU 30050,TAIWAN

来源：

SOLID STATE COMMUNICATIONS | 1992年 / 81卷 / 05期

关键词：

D O I：

10.1016/0038-1098(92)90763-Y

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Lattice softening of the CdS LO phonon mode was observed by resonant Raman spectroscopy (RRS). This phenomenon was interpreted in terms of the combined effects of grain size and low-dimensionality of the film. As the thickness of the film decreases below 800 angstrom, the influence of the free-surface on the vibrational spectrum becomes more prominent. Higher order harmonics of the LO-mode also are observed. The intensity of the Raman line is enhanced as it approaches the maximum of the fluorescence emission peak.

引用

页码：387 / 389

页数：3

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