Combined infrared and Raman study of the optical phonons of defect chalcopyrite single crystals

被引：13

作者：

Eifler, A

Hecht, JD

Lippold, G

Riede, V

Grill, W

Krauss, G

Krämer, V

机构：

[1] Univ Leipzig, Freiburger Mat Forschungszentrum, D-04103 Leipzig, Germany

[2] Univ Freiburg, Freiburger Mat Forschungszentrum, D-79104 Freiburg, Germany

来源：

PHYSICA B-CONDENSED MATTER | 1999年 / 263卷

关键词：

defect chalcopyrite; optical phonons; infrared; Raman;

D O I：

10.1016/S0921-4526(98)01292-7

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Infrared and Raman investigations of CdAl2Se4, ZnAl2Se4 and ZnIn2Se4 single crystals with respect to the optical phonon mode activities predicted for space groups I (4) over bar and I (4) over bar 2 m are reported. Variations of the cation and vacancy distributions affect the infrared reflectivity spectra more pronounced than the Raman spectra of the compounds. To decide whether the compounds crystallize in space group I (4) over bar or I (4) over bar 2 m by means of optical spectroscopy both infrared as well as Raman spectroscopy have to be used. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：806 / 808

页数：3

共 11 条

[1] THE STRUCTURE OF THE DEFECT CHALCOPYRITE ZNGA2SE4 STUDIED BY EXAFS [J].