中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
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CAS IR Grid
机构
长春光学精密机械与物... [1]
合肥物质科学研究院 [1]
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OAI收割 [2]
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会议论文 [1]
期刊论文 [1]
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2006 [1]
2004 [1]
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Temperature-enhanced ultraviolet emission in ZnO thin film (EI CONFERENCE)
会议论文
OAI收割
Zhang Y. J.
;
Xu C. S.
;
Liu Y. C.
;
Liu Y. X.
;
Wang G. R.
;
Fan X. W.
收藏
  |  
浏览/下载:27/0
  |  
提交时间:2013/03/25
We have studied the structural and optical properties of ZnO thin films prepared by thermal oxidation of ZnS films deposited by plasma assisted electron-beam evaporation on Si(1 0 0) substrates. The transformation from zinc blende ZnS to hexagonal wurtzite ZnO is confirmed by Raman and X-ray diffraction (XRD) measurement. For the sample thermally oxidized at 600 C for 2 h
a novel UV emission peak Ix located at 3.22 eV (385 nm) has been observed. The temperature-dependent photoluminescence spectra show that the integrated intensity of Ix increases exponentially with increasing temperatures within the measuring temperature range
from 80 to 300 K
but the peak position remains nearly constant. We explain this behavior in terms of electron tunneling into the radiative recombination centers.
Raman properties of GaSb nanoparticles embedded in SiO2 films
期刊论文
OAI收割
Chinese Physics, 2004, 卷号: 13
作者:
Wang Tianmin
;
Zhang Lide
;
Liu Famin
  |  
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  |  
浏览/下载:11/0
  |  
提交时间:2020/10/26
GaSb nanocrystals
novel Raman properties
phonon confinement and tensile stress effects