Successive phase transitions and phase diagrams for the quasi-two-dimensional easy-axis triangular antiferromagnet Rb 4Mn(MoO4)3

R. Ishii; Shu Tanaka; K. Onuma; Y. Nambu; M. Tokunaga; T. Sakakibara; N. Kawashima; Y. Maeno; C. Broholm; D. P. Gautreaux; J. Y. Chan; S. Nakatsuji

doi:10.1209/0295-5075/94/17001

Successive phase transitions and phase diagrams for the quasi-two-dimensional easy-axis triangular antiferromagnet Rb ₄Mn(MoO₄)₃

R. Ishii^*, Shu Tanaka, K. Onuma, Y. Nambu, M. Tokunaga, T. Sakakibara, N. Kawashima, Y. Maeno, C. Broholm, D. P. Gautreaux, J. Y. Chan, S. Nakatsuji

^*この研究の対応する著者

研究成果: Article › 査読

54 被引用数 (Scopus)

抄録

Using magnetic, thermal and neutron measurements we show that Rb ₄Mn(MoO₄)₃ is a quasi-2D triangular Heisenberg antiferromagnet with easy-axis anisotropy and successive transitions bracketing an intermediate collinear phase. An accurate quantitative account of the phase diagram is achieved through Monte Carlo simulation of a spin Hamiltonian with easy-axis anisotropy D=0.22J.

本文言語	English
論文番号	17001
ジャーナル	EPL
巻	94
号	1
DOI	https://doi.org/10.1209/0295-5075/94/17001
出版ステータス	Published - 2011 4月
外部発表	はい

ASJC Scopus subject areas

物理学および天文学（全般）

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10.1209/0295-5075/94/17001

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author = "R. Ishii and Shu Tanaka and K. Onuma and Y. Nambu and M. Tokunaga and T. Sakakibara and N. Kawashima and Y. Maeno and C. Broholm and Gautreaux, {D. P.} and Chan, {J. Y.} and S. Nakatsuji",

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AU - Tanaka, Shu

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AU - Nambu, Y.

AU - Tokunaga, M.

AU - Sakakibara, T.

AU - Kawashima, N.

AU - Maeno, Y.

AU - Broholm, C.

AU - Gautreaux, D. P.

AU - Chan, J. Y.

AU - Nakatsuji, S.

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AB - Using magnetic, thermal and neutron measurements we show that Rb 4Mn(MoO4)3 is a quasi-2D triangular Heisenberg antiferromagnet with easy-axis anisotropy and successive transitions bracketing an intermediate collinear phase. An accurate quantitative account of the phase diagram is achieved through Monte Carlo simulation of a spin Hamiltonian with easy-axis anisotropy D=0.22J.

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