Inelastic neutron scattering study of the resonance mode in the optimally doped pnictide superconductor LaFeAsO $_{0.92}$ F $_{0.08}$

Shamoto, Shinichi ; Ishikado, Motoyuki; Christianson, A. D.*; Lumsden, M. D.*; Wakimoto, Shuichi ; Kodama, Katsuaki ; Iyo, Akira*; Arai, Masatoshi

An optimally doped iron-based superconductor LaFeAsO $_{0.92}$ F $_{0.08}$ with T $_{c}$ =29 K has been studied by inelastic powder neutron scattering. The magnetic excitation at Q = 1.15 $^{-1}$ is enhanced below T $_{c}$ , leading to a peak at E $_{res}$ =13 meV as the resonance mode.

Language	:	English
Journal	:	Physical Review B
Volume	:	82
Number	:	17
Pages	:	p.172508_1 - 172508_4
Publication Year/Month	:	2010/11
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Paper URL	:	https://doi.org/10.1103/PhysRevB.82.172508
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Keywords	:	no keyword
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Article of JAEA R&D Review	:
Cooperating Institute	:	Oak Ridge National Laboratory

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Registration No. : AA20100451
JAEA Abstracts No. : 39000050
Paper Submission No. : 8285

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Inelastic neutron scattering study of the resonance mode in the optimally doped pnictide superconductor LaFeAsOF

Inelastic neutron scattering study of the resonance mode in the optimally doped pnictide superconductor LaFeAsO $_{0.92}$ F $_{0.08}$