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	Transport properties of ultrathin bafe1.84co0.16as2 superconducting nanowires
	Yuan,Pusheng1,2,3; Xu,Zhongtang1; Li,Chen1; Quan,Baogang4; Li,Junjie4; Gu,Changzhi4; Ma,Yanwei1,3
刊名	Superconductor science and technology
	2017-12-19
卷号	31期号:2
关键词	Nanowire Pulsed laser deposition Ultrathin film Iron-based superconductors Single-photon detectors
ISSN号	0953-2048
DOI	10.1088/1361-6668/aa9b61
英文摘要	Abstract superconducting nanowire single-photon detectors (snspds) have an absolute advantage over other types of single-photon detectors, except for the low operating temperature. therefore, much effort has been devoted to finding high-temperature superconducting materials that are suitable for preparing snspds. copper-based and mgb2 ultrathin superconducting nanowires have already been reported. however, the transport properties of iron-based ultrathin superconducting nanowires have not been studied. in this work, a 10 nm thick?×?200 nm wide?×?30 μm long high-quality superconducting nanowire was fabricated from ultrathin bafe1.84co0.16as2 films by a lift-off process. the precursor bafe1.84co0.16as2 film with a thickness of 10 nm and root-mean-square roughness of 1 nm was grown on caf2 substrates by pulsed laser deposition. the nanowire shows a high superconducting critical temperature t c zero ?=?20 k with a narrow transition width of δt?=?2.5 k and exhibits a high critical current density jc of 1.8?×?107 a cm?2 at 10 k. these results of ultrathin bafe1.84co0.16as2 nanowire will attract interest in electronic applications, including snspds.
语种	英语
出版者	IOP Publishing
WOS记录号	IOP:0953-2048-31-2-AA9B61
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2373550
专题	物理研究所
作者单位	1.Key Laboratory of Applied Superconductivity, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China 2.Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 865 Changning Road, Shanghai 200050, People’s Republic of China 3.University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China 4.Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China
推荐引用方式 GB/T 7714	Yuan,Pusheng,Xu,Zhongtang,Li,Chen,et al. Transport properties of ultrathin bafe1.84co0.16as2 superconducting nanowires[J]. Superconductor science and technology,2017,31(2).
APA	Yuan,Pusheng.,Xu,Zhongtang.,Li,Chen.,Quan,Baogang.,Li,Junjie.,...&Ma,Yanwei.(2017).Transport properties of ultrathin bafe1.84co0.16as2 superconducting nanowires.Superconductor science and technology,31(2).
MLA	Yuan,Pusheng,et al."Transport properties of ultrathin bafe1.84co0.16as2 superconducting nanowires".Superconductor science and technology 31.2(2017).

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