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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
Anisotropic neutron spin resonance in superconducting BaFe(1.9)Ni(0.1)As(2)
发表期刊PHYSICAL REVIEW B
关键词Scattering Excitations Yba2cu3o7 Spectra
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.
2010
ISSN1098-0121
卷号82期号:6页码:-
学科领域Physics
收录类别SCI
项目资助者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
专题理论物理所科研产出_SCI论文
通讯作者Lipscombe, OJ , Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
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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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