Phonon-phonon interaction in CdGa2Se2 single crystals

被引:0
|
作者
Kerimova, T. G. [1 ]
Abdullayev, N. A. [1 ]
Kengerlinski, L. Y. [1 ]
Mamedova, I. A. [1 ]
Ibragimov, N. I. [1 ]
机构
[1] Azerbaijan Natl Acad Sci, Inst Phys, Baku 1143, Azerbaijan
关键词
CdGa2Se4 single crystals; Raman scattering; phonon frequency; anharmonism; bulk modulus; RAMAN-SCATTERING; PHASE-TRANSITIONS;
D O I
10.1002/pssc.201400344
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Raman scattering spectra of CdGa2Se4 single crystals were measured in temperature range 8-300 K. From the temperature dependence of optical phonons of B (196 cm(-1)) and E (246 cm(-1)) symmetry type, the lattice deformation and phonon-phonon interaction contributions to the temperature coefficient of phonon shift were calculated. (C) 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码:834 / 836
页数:3
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