Raman spectrum of monoclinic semiconductor Cu2SnSe3

被引：79
|
作者：
Marcano, G. [1 ]
Rincon, C. [1 ]
Lopez, S. A. [2 ]
Sanchez Perez, G. [1 ]
Herrera-Perez, J. L. [3 ]
Mendoza-Alvarez, J. G. [3 ]
Rodriguez, P. [4 ]
机构：
[1] Univ Los Andes, Fac Ciencias, Dept Fis, Ctr Estudios Semicond, Merida 5101, Venezuela
[2] Univ Los Andes, Fac Ciencias, Dept Fis, Grp Fis Aplicada, Merida 5101, Venezuela
[3] IPN, CICATA, Mexico City 11500, DF, Mexico
[4] IPN, CINVESTAV, Dept Fis, Mexico City 07000, DF, Mexico
来源：
SOLID STATE COMMUNICATIONS | 2011年 / 151卷 / 01期
关键词：
Semiconductors; Optical properties; Raman scattering; LATTICE-VIBRATIONS; TERNARY COMPOUNDS; CRYSTAL-GROWTH; CUINTE2; DIFFRACTION;
D O I：
10.1016/j.ssc.2010.10.015
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The Raman-active phonons in semiconductor Cu2SnSe3 that crystallizes in the monoclinic structure with space group Cc were studied by measuring unpolanzed Raman spectrum The experimental Raman line wave numbers for the phonon modes were compared to those reported and to the results of lattice dynamical calculations based on simplified current models reported in the literature From the factor group analysis of the zone-center vibrational modes the symmetry of the observed Raman lines were tentatively assigned The most intense A' mode at 178 cm(-1) the lowest- and highest-frequency A' modes at 83 and 244 cm(-1) respectively A '' modes at 204 231 and 291 cm(-1) and a band at about 363 cm(-1) which probably corresponds to an overtone on the strong peak at 178 cm(-1) have been observed in this compound (C) 2010 Elsevier Ltd All rights reserved
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页码：84 / 86
页数：3
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