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《Low Temperature Physical Letters》 2018-05
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The Progress and Prospect of High Performance REBa_2Cu_3O_(7-x) Coating Conductors were Prepared by Multi-source Co-evaporation

LUO Zhiyong;QU Lanxue;LU Yuming;CAI Chuanbing;BAI Chuanyi;LIU Zhiyong;FAN Feng;GUO Yanqun;ZENG Zhigang;YANG Zhao;Department of Physics,College of Science,Shanghai University,Shanghai High Temperature Superconducting Key Laboratory;  
REBa_2Cu_3O_(7-x)(RE:rare earth elements,REBCO)high-temperature superconductors have attracted attention due to their superior performances such as high irreversible field and upper critical field.However,due to the inherent ceramic properties and weak connections of the material,the actual application is difficult.At present,many preparation processes have been developed to overcome these difficulties and realize the practical application of REBCO superconductors.The preparation of REBCO superconducting films can be divided into physical and chemical methods according to the precursor film deposition behavior.This article reviews the technical origin and evolution of REBCO superconducting thin films prepared by multi-source co-evaporation in physical vapor deposition and comparing with REBCO superconducting tape produced by different methods such as metal organic deposition,metal organic chemical vapor deposition and pulsed laser deposition,outstanding REBCO films prepared by the multi-source co-evaporation method are excellent in performance and have greater advantages in commercial production.Finally,we summarize and prospect the preparation of REBCO superconducting thin film by multisource co-evaporation.It is of great significance for the large-scale application of the 2G HTS tapes in the future to solve the formation mechanism of REBCO film prepared by multi-source co-evaporation and improve the pinning centerof the film.
【Fund】: 国家重点研发计划(2016YFF0101701);; 上海市科学技术委员会(16521108400 16DZ0504300 14521102800);; 国家自然科学基金(51572165 11174193)资助的课题
【CateGory Index】: TM26
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