Dynamics of photoexcited carriers in ZnO epitaxial thin films

被引：125
|
作者：
Yamamoto, A [1 ]
Kido, T
Goto, YF
Chen, Y
Yao, T
Kasuya, A
机构：
[1] Tohoku Univ, Grad Sch Sci, Aoba Ku, Sendai, Miyagi 9808578, Japan
[2] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
[3] Tohoku Univ, Interdisciplinary Res Ctr, Sendai, Miyagi 9808579, Japan
来源：
APPLIED PHYSICS LETTERS | 1999年 / 75卷 / 04期
关键词：
D O I：
10.1063/1.124411
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Optical gain spectra of ZnO epitaxial thin films have been measured by using a pump-probe technique. The optical gain is thought to be due to electron-hole plasma. In the differential absorption spectra, we observed saturation of the exciton absorption, band-gap renormalization, as well as the optical gain. From the temporal changes of these structures, the dynamical properties of the photoexcited carriers are discussed. (C) 1999 American Institute of Physics. [S0003-6951(99)01130-4].
引用
收藏
页码：469 / 471
页数：3
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