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Crystal and magnetic structures of Cr1/3NbSe2 from neutron diffraction

AutorGubkin, A. F.; Kousaka, Yusuke; Campo, Javier
Fecha de publicación2016
EditorAmerican Institute of Physics
CitaciónJournal of Applied Physics 119(1): 013903 (2016)
ResumenNeutron diffraction measurements of the Cr intercalated niobium diselenide CrNbSe together with magnetization measurements have revealed that this compound exhibits ferromagnetic ordering below T = 96 K unlike a chiral helimagnetic order observed in the sulfide compound CrNbS. As derived from neutron diffraction data, the Cr magnetic moments μ = 2.83 ± 0.03 μ in CrNbSe are aligned within basal plane. The discrepancy in the magnetic states of CrNbS and CrNbSe is ascribed to the difference in the preferential site occupation of Cr ions in crystal lattices. In CrNbSe, the Cr ions are predominantly distributed over 2b Wyckoff site, which determines a centrosymmetric character of the crystal structure unlike CrNbS, where the Cr ions are mainly located in 2c position and the crystal structure is non-centrosymmetric.
DescripciónUnder a Creative Commons Attribution (CC BY) license.-- et al.
Versión del editorhttp://dx.doi.org/10.1063/1.4939558
URIhttp://hdl.handle.net/10261/148523
DOI10.1063/1.4939558
Identificadoresdoi: 10.1063/1.4939558
e-issn: 1089-7550
issn: 0021-8979
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