Material properties of Cd1-xMgxO alloys synthesized by radio frequency sputtering

被引：23
作者：
Chen, Guibin [1 ]
Yu, K. M. [1 ]
Reichertz, L. A. [1 ,2 ]
Walukiewicz, W. [1 ]
机构：
[1] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA
[2] RoseSt Labs Energy, Phoenix, AZ 85034 USA
来源：
APPLIED PHYSICS LETTERS | 2013年 / 103卷 / 04期
基金：
中国国家自然科学基金;
关键词：
TRANSPARENT CONDUCTING OXIDES; FILMS;
D O I：
10.1063/1.4816326
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have studied structural, electrical, and optical properties of sputter deposited ternary CdMgO alloy thin films with total Mg concentration as high as 44%. We found that only a fraction (50%-60%) of Mg is incorporated as substitutional Mg contributing to the modification of the electronic structures of the alloys. The electrical and optical results of the Cd1-xMgxO alloys are analyzed in terms of a large upward shift of the conduction band edge with increasing Mg concentration. With the increase of the intrinsic bandgap, appropriately doped Cd-rich CdMgO alloys can be potentially useful as transparent conductors for photovoltaics. (C) 2013 AIP Publishing LLC.
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页数：4
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