Influence of Oxygen Vacancy on Transport Property in Perovskite Oxide Heterostructures
HAN Peng1,2, JIN Kui-Juan1, LÜ Hui-Bin1, JIA Jin-Feng2 , QIU Jie1, HU Chun-Lian1, YANG Guo-Zhen1
1Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 1001902Department of Physics, Tsinghua University, Beijing 100084
Influence of Oxygen Vacancy on Transport Property in Perovskite Oxide Heterostructures
HAN Peng1,2, JIN Kui-Juan1, LÜ Hui-Bin1, JIA Jin-Feng2 , QIU Jie1, HU Chun-Lian1, YANG Guo-Zhen1
1Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 1001902Department of Physics, Tsinghua University, Beijing 100084
摘要Effect of oxygen vacancy on transport property of perovskite microstructures is studied theoretically. Compared with calculated and measured I-V curves, it is revealed that electron conduction plays an important role in the oxygen nonstoichiometry perovskite heterostructures even with hole-doped or un-doped material due to the oxygen vacancies. In addition, a detailed understanding of the influence of oxygen vacancy concentration and temperature on the conduction characteristics of oxide heterojunction with both forward and reverse biases is obtained by calculation.
Abstract：Effect of oxygen vacancy on transport property of perovskite microstructures is studied theoretically. Compared with calculated and measured I-V curves, it is revealed that electron conduction plays an important role in the oxygen nonstoichiometry perovskite heterostructures even with hole-doped or un-doped material due to the oxygen vacancies. In addition, a detailed understanding of the influence of oxygen vacancy concentration and temperature on the conduction characteristics of oxide heterojunction with both forward and reverse biases is obtained by calculation.
(Charge carriers: generation, recombination, lifetime, trapping, mean free paths)
引用本文:
HAN Peng;JIN Kui-Juan;LÜHui-Bin;JIA Jin-Feng;QIU Jie;HU Chun-Lian;YANG Guo-Zhen. Influence of Oxygen Vacancy on Transport Property in Perovskite Oxide Heterostructures[J]. 中国物理快报, 2009, 26(2): 27301-027301.
HAN Peng, JIN Kui-Juan, LÜ, Hui-Bin, JIA Jin-Feng, QIU Jie, HU Chun-Lian, YANG Guo-Zhen. Influence of Oxygen Vacancy on Transport Property in Perovskite Oxide Heterostructures. Chin. Phys. Lett., 2009, 26(2): 27301-027301.
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