PREPARATION AND PROPERTIES OF SINGLE CRYSTAL CUALS2 AND CUALSE2

被引：68

作者：

HONEYMAN, WN

机构：

[1] Department of Applied Physics, Brighton College of Technology, Brighton, Sussex England

来源：

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 1969年 / 30卷 / 08期

关键词：

D O I：

10.1016/0022-3697(69)90169-3

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Single crystals of the I-IlI-VI2 ternary semiconductors CuAlS2 and CuAlSe2 have been prepared by vapour transport with iodine. Optical transmission measurements give energy gaps of about 3.35 eV (sulphide) and 2.5 eV (selenide). Double refraction is observed, and the refractive indices extrapolated to infinite wavelength are 2.300, 2.325 (sulphide) and 2.437 (selenide). The selenide shows large photoconductive effects, while both semiconductors have electrical resistivities from 104 to 107 Ω cm and mobilities less than 60 cm2 V-1 sec-1. © 1969.

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页码：1935 / &

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