Commensurate Itinerant Antiferromagnetism in BaFe2As2: 75As-NMR Studies on a Self-Flux Grown Single Crystal

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dc.creatorKitagawa, Kentaro
dc.creatorKatayama, Naoyuki
dc.creatorOhgushi, Kenya
dc.creatorYoshida, Makoto
dc.creatorTakigawa, Masashi
dc.date2008-07-29
dc.date2008-09-13
dc.date.accessioned2026-07-07T10:16:45Z
dc.date.available2026-07-07T10:16:45Z
dc.descriptionWe report results of 75As nuclear magnetic resonance (NMR) experiments on a self-flux grown single crystal of BaFe2As2. A first-order antiferromagnetic (AF) transition near 135 K was detected by the splitting of NMR lines, which is accompanied by simultaneous structural transition as evidenced by a sudden large change of the electric field gradient tensor at the As site. The NMR results lead almost uniquely to the stripe spin structure in the AF phase. The data of spin-lattice relaxation rate indicate development of anisotropic spin fluctuations of the stripe-type with decreasing temperature in the paramagnetic phase.
dc.description7 pages, 7 figures, accepted for publication in J. Phys. Soc. Jpn
dc.identifierhttps://arxiv.org/abs/0807.4613
dc.identifierhttp://arxiv.org/abs/0807.4613
dc.identifierJ. Phys. Soc. Jpn. 77, 114709 (2008).
dc.identifierdoi:10.1143/JPSJ.77.114709
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/173615
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleCommensurate Itinerant Antiferromagnetism in BaFe2As2: 75As-NMR Studies on a Self-Flux Grown Single Crystal
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