Study of the dielectric function of ZnS by spectroscopic ellipsometry

被引:0
|
作者
Ghong, TH [1 ]
Kim, TJ
Kim, YD
Kim, SJ
Aspnes, DE
Choi, YD
Yu, YM
机构
[1] Kyung Hee Univ, Dept Phys, Seoul 130701, South Korea
[2] N Carolina State Univ, Dept Phys, Raleigh, NC 27606 USA
[3] Mokwon Univ, Dept Phys, Taejon 302729, South Korea
[4] Chungnam Natl Univ, Dept Phys, Taejon 305764, South Korea
关键词
ellipsometry; ZnS; band gap;
D O I
暂无
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We report the best room-temperature dielectric function data for zincblende-type, ZnS from :3.7 to 6.0 eV, obtained by spectroscopic ellipsometry together with real-time assessment of overlayer removal. These data were extended to 9.0 eV (without chemical etching) using a variable-angle system. This permit, the first detailed analysis of the E-2 band gap of ZnS, revealing 3 bandgaps in this spectral region.
引用
收藏
页码:S238 / S241
页数:4
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