Enhancement of superconductivity in FeSe thin crystals induced by biaxial compressive strain

doi:10.1016/j.physc.2017.02.004

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	Enhancement of superconductivity in FeSe thin crystals induced by biaxial compressive strain
	Wang, X. F.1,2; Zhang, Z. T.3,4,5; Wang, W. K.1; Zhou, Y. H.1; Kan, X. C.2,5; Chen, X. L.1; Gu, C. C.1; Zhang, L.1; Pi, L.1,2; Yang, Z. R.1,5,6
刊名	PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
	2017-06-15
卷号	537 期号:无页码:1-4
关键词	Superconductivity Fese Biaxial Compressive Strains
DOI	10.1016/j.physc.2017.02.004
文献子类	Article
英文摘要	We report on the enhancement of superconductivity in FeSe thin crystals induced by in-plane biaxial compressive strain, with an underlying scotch tape as an in-situ strain generator. It is found that, due to the compressive strain, the superconducting transition temperature T-c approximate to 9 K of FeSe is increased by 30%-40% and the upper critical field H-c2(0) approximate to 14.8 T is increased by similar to 20%. In parallel, the T*, which characterizes an onset of enhanced spin fluctuations, is raised up from 69 K to 87 K. On the other hand, the structural transition temperature T-s approximate to 94 K, below which an orthorhombic structure and an electronic nematic phase settle in, is suppressed down by similar to 5 K. These findings reveal clear evolutions of the orders/fluctuations under strain effect in FeSe, the structurally simplest iron-based superconductor where the lattice/spin/charge degrees of freedom are closely coupled to one another. Moreover, the presented research provides a simple and clean way to manipulate the superconductivity in the layered iron compounds and may promote applications in related materials. (C) 2017 Elsevier B.V. All rights reserved.
WOS关键词	NEMATICITY ; FIELD
WOS研究方向	Physics
语种	英语
WOS记录号	WOS:000402471700001
资助机构	Ministry of Science and Technology of China (National Basic Research Program)(2016YFA0401804) ; Ministry of Science and Technology of China (National Basic Research Program)(2016YFA0401804) ; Ministry of Science and Technology of China (National Basic Research Program)(2016YFA0401804) ; Ministry of Science and Technology of China (National Basic Research Program)(2016YFA0401804) ; National Natural Science Foundation of China(11574323 ; National Natural Science Foundation of China(11574323 ; National Natural Science Foundation of China(11574323 ; National Natural Science Foundation of China(11574323 ; International Postdoctoral Exchange Fellowship Program(20130025) ; International Postdoctoral Exchange Fellowship Program(20130025) ; International Postdoctoral Exchange Fellowship Program(20130025) ; International Postdoctoral Exchange Fellowship Program(20130025) ; U1332143 ; U1332143 ; U1332143 ; U1332143 ; 11304321) ; 11304321) ; 11304321) ; 11304321) ; Ministry of Science and Technology of China (National Basic Research Program)(2016YFA0401804) ; Ministry of Science and Technology of China (National Basic Research Program)(2016YFA0401804) ; Ministry of Science and Technology of China (National Basic Research Program)(2016YFA0401804) ; Ministry of Science and Technology of China (National Basic Research Program)(2016YFA0401804) ; National Natural Science Foundation of China(11574323 ; National Natural Science Foundation of China(11574323 ; National Natural Science Foundation of China(11574323 ; National Natural Science Foundation of China(11574323 ; International Postdoctoral Exchange Fellowship Program(20130025) ; International Postdoctoral Exchange Fellowship Program(20130025) ; International Postdoctoral Exchange Fellowship Program(20130025) ; International Postdoctoral Exchange Fellowship Program(20130025) ; U1332143 ; U1332143 ; U1332143 ; U1332143 ; 11304321) ; 11304321) ; 11304321) ; 11304321)
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/31928]
专题	合肥物质科学研究院_中科院强磁场科学中心
作者单位	1.Chinese Acad Sci, High Magnet Field Lab, Hefei 230031, Peoples R China 2.Univ Sci & Technol China, Hefei 230026, Peoples R China 3.Helmholtz Zentrum Dresden Rossendorf, Inst Ion Beam Phys & Mat Res, D-01314 Dresden, Germany 4.Helmholtz Zentrum Dresden Rossendorf, Hochfeld Magnetlabor Dresden HLD EMFL, D-01314 Dresden, Germany 5.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China 6.Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China
推荐引用方式 GB/T 7714	Wang, X. F.,Zhang, Z. T.,Wang, W. K.,et al. Enhancement of superconductivity in FeSe thin crystals induced by biaxial compressive strain[J]. PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS,2017,537(无):1-4.
APA	Wang, X. F..,Zhang, Z. T..,Wang, W. K..,Zhou, Y. H..,Kan, X. C..,...&Zhang, Y. H..(2017).Enhancement of superconductivity in FeSe thin crystals induced by biaxial compressive strain.PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS,537(无),1-4.
MLA	Wang, X. F.,et al."Enhancement of superconductivity in FeSe thin crystals induced by biaxial compressive strain".PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS 537.无(2017):1-4.