Studies of the Anomaly of Hall Coefficient in High Tc Superconducting Thin Films

HE Zhenhui; SHA Jian; SU Zhenpeng; CHENG Xiang ai; WANG Shunxi; FANG Minghu; ZHANG Qirui; ZHOU Xianyi; YAO Weiguo; QI Zhenzhong; YI Huairen; LI Hongcheng

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Studies of the Anomaly of Hall Coefficient in High Tc Superconducting Thin Films

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Measurements of the Hall coefficient(RH)were carried out for a polycrystalline YBa_(2)Cu_(3)O_(7-y) film,a well oriented YBa_(2)Cu_(3)O_(7-y) film and an oriented GdBa_(2)Cu_(3)O_(7-y) film.Sign change of RH was observed for the two YBa_(2)Cu_(3)O_(7-y) films near Tc,but not for the GdBa_(2)Cu_(3)O_(7-y) film which contains partly the component of(110)orientation.The RH anisotropy model proposed previously turns out to be incorrect.Why the YBa_(2)Cu_(3)O_(7-y) films experience sign change of RH while the GdBa_(2)Cu_(3)O_(7-y) film does not is tentatively investigated.

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《中国物理快报：英文版》 |1991年第6期|P.310-313|共4页
作者
HE Zhenhui; SHA Jian; SU Zhenpeng; CHENG Xiang ai; WANG Shunxi; FANG Minghu; ZHANG Qirui; ZHOU Xianyi; YAO Weiguo; QI Zhenzhong; YI Huairen; LI Hongcheng;
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Department of Physics University of Science and Technology of China Hefei 230026;

Department of Physics University of Science and Technology of China Hefei 230026;

Department of Physics University of Science and Technology of China Hefei 230026;

Department of Physics University of Science and Technology of China Hefei 230026;

Department of Physics University of Science and Technology of China Hefei 230026;

Department of Physics Zhejiang University Hangzhou 310027;

Department of Physics Zhejiang University Hangzhou 310027;

International Center for Materials Science Academia Sinica Shenyang 110015Department of Modern Physics University of Science and Technology of China Hefei 230026;

Institute of Solid State Physics Academia Sinica Hefei 230031;

Institute of Solid State Physics Academia Sinica Hefei 230031;

Institute of Physics Academia Sinica Beijing 100080;

Institute of Physics Academia Sinica Beijing 100080;

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原文格式 PDF
正文语种 chi
中图分类固体物理学;
关键词
film.; film; turns;

Studies of the Anomaly of Hall Coefficient in High Tc Superconducting Thin Films

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