高温超导块材第二相掺杂的研究进展

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Abstract The critical current density and trapped flux density of REBa₂Cu₃O_7-δ high-temperature superconductor bulks are essential for the engineering applications. Introducing secondary-phase inclusions into the superconducting matrix is regarded as an effective way to form the pinning centers. It could enhance the critical current density and trapped flux density, improving the microstructure and the mechanical properties. In this paper, we discussed the research results about the second-phase doping of the REBCO superconductor in recent years. The change of the REBCO superconducting performance caused by the doping was analyzed. It will provide possible theoretical basis for the practical application of superconductor bulks.

Key words： high temperature superconductor bulks REBa₂Cu₃O_7-δ the second phase doping flux pinning the critical current density

Published: 25 November 2019

CLC number:

O511

Fund:This work was financially supported by the National Natural Science Foundation of China (11004129), the Scientific Research Foundation for the Returned Overseas Chinese Scholars, Education Ministry of China (SRF for ROCS, SEM), the Innovation Program of Shanghai Municipal Education Commission, China (11YZ197, 12ZZ174), the Shanghai Natural Science Foundation, China (16ZR1422700), and the General Education Course Construction Project of Shanghai University of Electric Power, China (20182203).

About author:: Jiuwei Yuan received her B.S. Degree in Changzhou Institute of Technology in 2017. She is currently pur-suing her master Degree at Department of mathematics and Physics, Shanghai University of Electric Power under the supervision of Associate Prof. Yufeng Zhang. Her research has focused on the growth and the perfor-mance of the high-temperature superconductor bulk.
Yufeng Zhang, associate professor, master’s supervisor of Shanghai Electric Power University. In October 2004, she received a grant from the Government of Japan to study for her PhD in the Applied Physics Laboratory of Tokyo University of Marine Science and Techno-logy. She graduated in September 2007. From October 2007 to March 2009, postdoctoral work was carried out at Tokyo University of Marine Science and Technology and Shibaura Institute of Technology in Japan. The co-tutors were Professor M. Murakami and Professor M. Izumi (experts in the international superconducting bulk). Her research interests are the performance and application of high temperature superconducting materials, magnetic oxides in complex systems.

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	Articles by authors
	YUAN Jiuwei
	XU Jianming
	ZHOU Luozeng
	ZHANG Yufeng
	ZHANG Jiaying
	ZHANG Xiaojuan
	ZHOU Wenli
	PENG Liqi
	XU Yan
	GAO Tian

Cite this article:

YUAN Jiuwei,XU Jianming,ZHOU Luozeng, et al. Overview on the Additive of the Second Phase in the High TemperatureSuperconductor Bulks[J]. Materials Reports, 2019, 33(Z2): 65-69.

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http://www.mater-rep.com/EN/ OR http://www.mater-rep.com/EN/Y2019/V33/IZ2/65

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