Optical absorption and photoluminescence of CuAlTe2

被引：10
|
作者：
Korzun, B. V. [1 ]
Fadzeyeva, A. A. [1 ]
Mudryi, A. V. [1 ]
Schorr, S. [2 ]
机构：
[1] Joint Inst Phys Solids & Semicond, 19 Brovka, Minsk 220072, BELARUS
[2] Univ Leipzig, Inst Mineral, Crystallog & Mat Sci, D-04275 Leipzig, Germany
来源：
PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 3, NO 8 | 2006年 / 3卷 / 08期
关键词：
D O I：
10.1002/pssc.200669543
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The bulk crystals of the CuAlTe2 semiconductor ternary compound with the chalcopyrite structure were prepared, and their optical properties were investigated. It was determined that the value of band gap energy equals 1.69 and 1.65 eV at 105 and 293 K, respectively. The photoluminescence spectra were measured for the first time and contain broad bands with peaks at 1.09 eV (78 K) and 1.03 eV (293 K). The full width at half maximum (FWHM) for both temperatures is 0.28 eV. The origin of this band is associated with band to deep acceptor optical transition. (c) 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
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页码：2626 / +
页数：2
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