Exciton structures of single- and polycrystalline CuInSe2 and CuGaSe2

被引:0
|
作者
Chichibu, Shigefusa F. [1 ]
Mizutani, Tsutomu [1 ]
Nakanishi, Hisayuki [2 ]
Niki, Shigeru [3 ]
Fons, Paul J. [3 ]
Yamada, Akimasa [3 ]
机构
[1] Univ Tsukuba, Inst Appl Phys, Tsukuba, Ibaraki 3058573, Japan
[2] Tokyo Univ Sci, Dept Elect Engn, Noda, Chiba 2788510, Japan
[3] AIST, Electrotech Lab, Div Optoelect, Tsukuba, Ibaraki 3050045, Japan
关键词
spin-orbit splitting; cystal field splitting;
D O I
10.7567/JJAPS.39S1.326
中图分类号
O59 [应用物理学];
学科分类号
摘要
Excitonic resonance energies of CuInSe2 and CuGaS2 were shown to be greatly affected by the residual lattice strain. A clear excitonic absorption peak was found in high-purity CuGaSe2 polycrystalline thin films even at room temperature, showing the contribution of excitons in optical processes in chalcopyrite semiconductors.
引用
收藏
页码:326 / 327
页数:2
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