Photo-Induced Carriers in Near-Stoichiometric LiNbO3:Fe Crystal
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Abstract
We detect the photo-induced carriers in near-stoichiometric iron doped LiNbO3 crystal by the holographic technique. The results show that the dominant carriers are electrons in the sample with Li/Nb ratio of 0.9988. By analysis of the OH- absorption spectra of the crystal, we contribute the electron domination in near-stoichiometric Fe-doped LiNbO3 crystal to the existence of NbLi which provides the anti-site defect to Fe2+.
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GAO Guo-Xiang, XU Jing-Jun, ZHANG Shu, LIU Wen-Hui, LIU Hong-De, KONG Yong-Fa, CHEN Shao-Lin, ZHANG Guang-Yin, SUN Qian. Photo-Induced Carriers in Near-Stoichiometric LiNbO3:Fe Crystal[J]. Chin. Phys. Lett., 2006, 23(2): 443-445.
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GAO Guo-Xiang, XU Jing-Jun, ZHANG Shu, LIU Wen-Hui, LIU Hong-De, KONG Yong-Fa, CHEN Shao-Lin, ZHANG Guang-Yin, SUN Qian. Photo-Induced Carriers in Near-Stoichiometric LiNbO3:Fe Crystal[J]. Chin. Phys. Lett., 2006, 23(2): 443-445.
|
GAO Guo-Xiang, XU Jing-Jun, ZHANG Shu, LIU Wen-Hui, LIU Hong-De, KONG Yong-Fa, CHEN Shao-Lin, ZHANG Guang-Yin, SUN Qian. Photo-Induced Carriers in Near-Stoichiometric LiNbO3:Fe Crystal[J]. Chin. Phys. Lett., 2006, 23(2): 443-445.
|
GAO Guo-Xiang, XU Jing-Jun, ZHANG Shu, LIU Wen-Hui, LIU Hong-De, KONG Yong-Fa, CHEN Shao-Lin, ZHANG Guang-Yin, SUN Qian. Photo-Induced Carriers in Near-Stoichiometric LiNbO3:Fe Crystal[J]. Chin. Phys. Lett., 2006, 23(2): 443-445.
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