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Flux Pinning in Y_(1-x)M_(x)Ba_(2)Cu_(3)O_(7-δ)(M=Gd,Eu and Sm)System
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作者 LI Jonghen FANG Minghu +6 位作者 HU Gangjin ZHANG Xiaojun jiao zhengkuan ZHANG Qirui ZHANG Yitong JIN Xin YAO Xixian 《Chinese Physics Letters》 SCIE CAS CSCD 1992年第12期667-669,共3页
In this paper,the flux pinning effects in Y_(1-x)M_(x)Ba_(2)Cu_(3)O_(7-δ)(M=Gd,Eu and Sm)samples are reported.It is found that there is another pinning mechanism under higher magnetic fields in addition to that under... In this paper,the flux pinning effects in Y_(1-x)M_(x)Ba_(2)Cu_(3)O_(7-δ)(M=Gd,Eu and Sm)samples are reported.It is found that there is another pinning mechanism under higher magnetic fields in addition to that under lower fields.This pinning effect may stem from the lattice stress field resulting from the partial substitution of the rare earth elements with different atomic radii for Y. 展开更多
关键词 PINNING SUBSTITUTION
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Effect of nanometer-sized MgO particles on flux pinning in YBa_2Cu_30_(7-δ) 被引量:3
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作者 CHEN Qinghu FANG Minghu +4 位作者 YE Xisheng jiao zhengkuan ZHANG Qirui WEN Haihu ZHAO Zhongxian 《Chinese Science Bulletin》 SCIE 1997年第4期285-288,共4页
As is well known, the relatively low critical current density J_c and the serious flux motion limit a variety of applications of high-temperature superconductors (HTSCs). The introduction
关键词 high-T_c SUPERCONDUCTOR FLUX PINNING YBa2Cu3O7-δ nanometer-sized MGO particles.
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