Critical phenomenon and phase diagram of Mn-intercalated layered MnNb 3 S 6

The magnetization of Mn-intercalated layered MnNb S single crystal has been systematically investigated. The angle-dependent magnetization ([Formula: see text], [Formula: see text], and [Formula: see text]) displays that the magnetization of MnNb S with [Formula: see text] is much stronger than that...

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Bibliographic Details
Published in:Journal of physics. Condensed matter 2019-05, Vol.31 (19), p.195803
Main Authors: Dai, Yuhui, Liu, Wei, Wang, Yamei, Fan, Jiyu, Pi, Li, Zhang, Lei, Zhang, Yuheng
Format: Article
Language:English
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Summary:The magnetization of Mn-intercalated layered MnNb S single crystal has been systematically investigated. The angle-dependent magnetization ([Formula: see text], [Formula: see text], and [Formula: see text]) displays that the magnetization of MnNb S with [Formula: see text] is much stronger than that with H//c, but no magnetic anisotropy within the ab-plane. In addition, a field-induced magnetic phase transition is found when [Formula: see text]. The investigation of the critical behavior gives the critical exponents [Formula: see text], [Formula: see text], and [Formula: see text] with [Formula: see text] K, which belong to the universality class of three-dimensional Heisenberg model. The critical behavior and exponents indicate that the magnetic coupling in MnNb S is of an isotropic short-range type. Based on universality scaling, the H  -  T phase diagram with [Formula: see text] is constructed. The magnetic behaviors and phase diagram of MnNb S are analogous to those of CrNb S which exhibits a chiral magnetic soliton lattice.
ISSN:0953-8984
1361-648X
DOI:10.1088/1361-648X/aafebc