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

A. F. Gubkin, E. P. Proskurina, Y. Kousaka, E. M. Sherokalova, N. V. Selezneva, P. Miao, S. Lee, J. Zhang, Y. Ishikawa, S. Torii, T. Kamiyama, J. Campo, J. Akimitsu, N. V. Baranov

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13 Citations (Scopus)


Neutron diffraction measurements of the Cr intercalated niobium diselenide Cr1/3NbSe2 together with magnetization measurements have revealed that this compound exhibits ferromagnetic ordering below TC = 96 K unlike a chiral helimagnetic order observed in the sulfide compound Cr1/3NbS2. As derived from neutron diffraction data, the Cr magnetic moments μCr = 2.83 ± 0.03 μB in Cr1/3NbSe2 are aligned within basal plane. The discrepancy in the magnetic states of Cr1/3NbS2 and Cr1/3NbSe2 is ascribed to the difference in the preferential site occupation of Cr ions in crystal lattices. In Cr1/3NbSe2, the Cr ions are predominantly distributed over 2b Wyckoff site, which determines a centrosymmetric character of the crystal structure unlike Cr1/3NbS2, where the Cr ions are mainly located in 2c position and the crystal structure is non-centrosymmetric.

Original languageEnglish
Article number013903
JournalJournal of Applied Physics
Issue number1
Publication statusPublished - Jan 7 2016
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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