Experimental and theoretical study of the phase diagram of the linear antiferromagnet (CH3)4NMnCl3 (TMMC)

Kazuyoshi Takeda, Tomoyuki Koike, Takashi Tonegawa, Isao Harada

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Abstract

Magnetic phase diagrams of the most typical quasi-one-dimensional antiferromagnet (CH3)4NMnCl3 (T N=0.835 K) reported in our previous paper have been investigated in more detail by heat capacity and magnetic susceptibility measurements in external magnetic fields up to 30 kOe. The phase diagrams for the external field applied along the in-plane easy and hard axes normal to the magnetic chain are reproduced satisfactorily by the theory in which the classical anisotropic XY model is assumed for the magnetic chain and interchain interactions are treated within the molecular field approximation. The magnitude of the anisotropy field in the plane normal to the chain is determined to be 93 Oe.

Original languageEnglish
Pages (from-to)1115-1122
Number of pages8
JournalJournal of the Physical Society of Japan
Volume48
Issue number4
Publication statusPublished - Apr 1980
Externally publishedYes

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phase diagrams
magnetic permeability
specific heat
anisotropy
approximation
magnetic fields
interactions

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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Experimental and theoretical study of the phase diagram of the linear antiferromagnet (CH3)4NMnCl3 (TMMC). / Takeda, Kazuyoshi; Koike, Tomoyuki; Tonegawa, Takashi; Harada, Isao.

In: Journal of the Physical Society of Japan, Vol. 48, No. 4, 04.1980, p. 1115-1122.

Research output: Contribution to journalArticle

Takeda, Kazuyoshi ; Koike, Tomoyuki ; Tonegawa, Takashi ; Harada, Isao. / Experimental and theoretical study of the phase diagram of the linear antiferromagnet (CH3)4NMnCl3 (TMMC). In: Journal of the Physical Society of Japan. 1980 ; Vol. 48, No. 4. pp. 1115-1122.
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