Anharmonic properties of soft modes in I-III-VI2 compounds

被引：0

作者：

Gonzalez, J ^{[1
]}

Hennion, B

Fouret, R

Derollez, P

Lefebvre, J

Guinet, Y

机构：

[1] Univ Los Andes, Fac Ciencias, Ctr Estudios Semicond, Merida 5251, Venezuela

[2] CENS, Lab Leon Brillouin, F-91191 Gif Sur Yvette, France

[3] Univ Lille 1, UFR Phys, Lab Dynam & Struct Mat Mol, F-59655 Villeneuve Dascq, France

来源：

TERNARY AND MULTINARY COMPOUNDS | 1998年 / 152卷

关键词：

D O I：

暂无

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

In this work we have measured the temperature dependence of the low-frequency Gamma(5) optical mode by Raman scattering in CuGaS2 and AgGaS2 in the range 10-300 K, and the temperature dependence of the TA[100] acoustic mode in AgGaSe2 by inelastic neutron scattering. From the results it is clear that all these phonons have a very small temperature coefficients as compared to the values obtained from the optical modes in other semiconductors.

引用

页码：527 / 530

页数：4

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