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	Hysteresis magnetoresistance and edge superconductivity in nb film with diluted square array of holes
	He,S K1; Zhang,W J2; Han,X F1; Qiu,X G1
刊名	Superconductor science and technology
	2017-10-20
卷号	30期号:11
关键词	Periodic pinning array Wire network Surface superconductivity Matching effect 74.25.ha 74.78.na
ISSN号	0953-2048
DOI	10.1088/1361-6668/aa8f90
英文摘要	Abstract we investigated the transport properties of a superconducting nb film with a diluted square array of holes, in which one fourth of the sites were removed from the original square lattice. the edge-to-edge separation of the holes in the sample is comparable to the superconducting coherence length, resulting in a system similar to multi-connected superconducting islands. three regions in magnetoresistance ( r ( h ) ) curves can be identified. in the low field region, fluxoid quantization leads to fine structures in r ( h ) and t c ( h ) curves. at higher fields, the entering and leaving of interstitial vortices results in a novel field and temperature dependent hysteresis. at even higher fields, weak oscillations in resistance were observed due to edge superconductivity of inter-hole biconcave thin necks and little–parks effect. moreover, the edge state results in a remarkable field induced narrowing of superconducting transition width.
语种	英语
出版者	IOP Publishing
WOS记录号	IOP:0953-2048-30-11-AA8F90
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2373552
专题	物理研究所
作者单位	1.Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, People’s Republic of China 2.State Key Lab of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology (SIMIT), Chinese Academy of Sciences (CAS), Shanghai, 200050, People’s Republic of China
推荐引用方式 GB/T 7714	He,S K,Zhang,W J,Han,X F,et al. Hysteresis magnetoresistance and edge superconductivity in nb film with diluted square array of holes[J]. Superconductor science and technology,2017,30(11).
APA	He,S K,Zhang,W J,Han,X F,&Qiu,X G.(2017).Hysteresis magnetoresistance and edge superconductivity in nb film with diluted square array of holes.Superconductor science and technology,30(11).
MLA	He,S K,et al."Hysteresis magnetoresistance and edge superconductivity in nb film with diluted square array of holes".Superconductor science and technology 30.11(2017).

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