Measurements of the fluctuation-induced in-plane magnetoconductivity at high reduced temperatures and magnetic fields in the iron arsenide BaFe2-xNixAs2

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	Measurements of the fluctuation-induced in-plane magnetoconductivity at high reduced temperatures and magnetic fields in the iron arsenide BaFe2-xNixAs2
	Rey, RI ; Carballeira, C ; Mosqueira, J ; Salem-Sugui, S ; Alvarenga, AD ; Luo, HQ ; Lu, XY ; Chen, YC ; Vidal, F
刊名	SUPERCONDUCTOR SCIENCE & TECHNOLOGY
	2013
卷号	26 期号:5
ISSN号	0953-2048
通讯作者	Rey, RI (reprint author), Univ Santiago de Compostela, Fac Fis, LBTS, E-15782 Santiago De Compostela, Spain.
中文摘要	The superconducting fluctuations well inside the normal state of Fe-based superconductors were studied through measurements of the in-plane paraconductivity and magnetoconductivity in high quality BaFe2-xNixAs2 crystals with doping levels from the optimal level (x = 0.10) up to highly overdoped (x = 0.20). These measurements, performed in magnetic fields up to 9 T perpendicular to the ab (Fe) layers, allowed a reliable check of the applicability to iron-based superconductors of Ginzburg-Landau approaches for 3D anisotropic compounds, even at high reduced temperatures and magnetic fields. Our results also allowed us to gain valuable insight into the dependence on the doping level of some central superconducting parameters (coherence lengths and anisotropy factor).
资助信息	Spanish MICINN; ERDF [FIS2010-19807]; Xunta de Galicia [2010/XA043, 10TMT206012PR]; CNPq; NSFC [11004233]; 973 project [2011CBA00110]
语种	英语
公开日期	2014-01-16
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/57202]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Rey, RI,Carballeira, C,Mosqueira, J,et al. Measurements of the fluctuation-induced in-plane magnetoconductivity at high reduced temperatures and magnetic fields in the iron arsenide BaFe2-xNixAs2[J]. SUPERCONDUCTOR SCIENCE & TECHNOLOGY,2013,26(5).
APA	Rey, RI.,Carballeira, C.,Mosqueira, J.,Salem-Sugui, S.,Alvarenga, AD.,...&Vidal, F.(2013).Measurements of the fluctuation-induced in-plane magnetoconductivity at high reduced temperatures and magnetic fields in the iron arsenide BaFe2-xNixAs2.SUPERCONDUCTOR SCIENCE & TECHNOLOGY,26(5).
MLA	Rey, RI,et al."Measurements of the fluctuation-induced in-plane magnetoconductivity at high reduced temperatures and magnetic fields in the iron arsenide BaFe2-xNixAs2".SUPERCONDUCTOR SCIENCE & TECHNOLOGY 26.5(2013).