Lattice polarity detection of InN by circular photogalvanic effect
Lattice polarity detection of InN by circular photogalvanic effect
复制标题
利用圆形光电效应检测 InN 的晶格极性
DOI:
10.1063/1.3186042
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发表时间:
2009-07
期刊:
影响因子:
--
通讯作者:
Q. Zhang, X.Q. Wang , X. W. He, C. M. Yin,et al.
中科院分区:
文献类型:
--
作者:
Q. Zhang, X.Q. Wang , X. W. He, C. M. Yin,et al.
We report an effective and nondestructive method based on circular photogalvanic effect (CPGE) to detect the lattice polarity of InN. Because of the lattice inversion between In- and N-polar InN, the energy band spin splitting is opposite for InN films with different polarities. Consequently under light irradiation with the same helicity, CPGE photocurrents in In- and N-polar layers will have opposite directions, thus the polarity can be detected. This method is demonstrated by our CPGE measurements in both n- and p-type InN films.
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影响因子:
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通讯作者:
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