Anisotropic neutron spin resonance in superconducting BaFe(1.9)Ni(0.1)As(2)

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	Anisotropic neutron spin resonance in superconducting BaFe(1.9)Ni(0.1)As(2)
	Lipscombe, O. J.; Harriger, Leland W.; Freeman, P. G.; Enderle, M.; Zhang, Chenglin; Wang, Miaoying; Egami, Takeshi; Hu, Jiangping; Xiang, Tao; Norman, M. R.; Dai, Pengcheng; Lipscombe, OJ , Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
	2010
发表期刊	PHYSICAL REVIEW B
ISSN	1098-0121
卷号	82 期号:6 页码:-
摘要	We use polarized inelastic neutron scattering to show that the neutron spin resonance below T(c) in superconducting BaFe(1.9)Ni(0.1)As(2) (T(c)= 20 K) is purely magnetic in origin. Our analysis further reveals that the resonance peak near 7 meV only occurs for the planar response. This challenges the common perception that the spin resonance in the pnictides is an isotropic triplet excited state of the singlet Cooper pairs, as our results imply that only the S(001)= +/- 1 components of the triplet are involved.
部门归属	[Lipscombe, OJ; Harriger, LW; Zhang, CL; Wang, MY; Egami, T; Dai, PC] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA; [Freeman, PG; Enderle, M] Inst Laue Langevin, F-38042 Grenoble 9, France; [Egami, T] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA; [Egami, T; Dai, PC] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA; [Hu, JP] Purdue Univ, Dept Phys, W Lafayette, IN 47907 USA; [Hu, JP; Xiang, T; Dai, PC] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China; [Xiang, T] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Norman, MR] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA
关键词	Scattering Excitations Yba2cu3o7 Spectra
学科领域	Physics
资助者	U.S. DOE BES[DE-FG02-05ER46202]; U.S. DOE, Division of Scientific User Facilities; CAS; U.S. DOE[DE-AC02-06CH11357]; DOE BES EPSCoR[DE-FG02-08ER46528] ; U.S. DOE BES[DE-FG02-05ER46202]; U.S. DOE, Division of Scientific User Facilities; CAS; U.S. DOE[DE-AC02-06CH11357]; DOE BES EPSCoR[DE-FG02-08ER46528] ; U.S. DOE BES[DE-FG02-05ER46202]; U.S. DOE, Division of Scientific User Facilities; CAS; U.S. DOE[DE-AC02-06CH11357]; DOE BES EPSCoR[DE-FG02-08ER46528] ; U.S. DOE BES[DE-FG02-05ER46202]; U.S. DOE, Division of Scientific User Facilities; CAS; U.S. DOE[DE-AC02-06CH11357]; DOE BES EPSCoR[DE-FG02-08ER46528]
URL	查看原文
收录类别	SCI
资助者	U.S. DOE BES[DE-FG02-05ER46202]; U.S. DOE, Division of Scientific User Facilities; CAS; U.S. DOE[DE-AC02-06CH11357]; DOE BES EPSCoR[DE-FG02-08ER46528] ; U.S. DOE BES[DE-FG02-05ER46202]; U.S. DOE, Division of Scientific User Facilities; CAS; U.S. DOE[DE-AC02-06CH11357]; DOE BES EPSCoR[DE-FG02-08ER46528] ; U.S. DOE BES[DE-FG02-05ER46202]; U.S. DOE, Division of Scientific User Facilities; CAS; U.S. DOE[DE-AC02-06CH11357]; DOE BES EPSCoR[DE-FG02-08ER46528] ; U.S. DOE BES[DE-FG02-05ER46202]; U.S. DOE, Division of Scientific User Facilities; CAS; U.S. DOE[DE-AC02-06CH11357]; DOE BES EPSCoR[DE-FG02-08ER46528]
文献类型	期刊论文
条目标识符	http://ir.itp.ac.cn/handle/311006/5063
专题	理论物理所1978-2010年知识产出
通讯作者	Lipscombe, OJ , Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
推荐引用方式 GB/T 7714	Lipscombe, O. J.,Harriger, Leland W.,Freeman, P. G.,et al. Anisotropic neutron spin resonance in superconducting BaFe(1.9)Ni(0.1)As(2)[J]. PHYSICAL REVIEW B,2010,82(6):-.
APA	Lipscombe, O. J..,Harriger, Leland W..,Freeman, P. G..,Enderle, M..,Zhang, Chenglin.,...&Lipscombe, OJ , Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.(2010).Anisotropic neutron spin resonance in superconducting BaFe(1.9)Ni(0.1)As(2).PHYSICAL REVIEW B,82(6),-.
MLA	Lipscombe, O. J.,et al."Anisotropic neutron spin resonance in superconducting BaFe(1.9)Ni(0.1)As(2)".PHYSICAL REVIEW B 82.6(2010):-.

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