Organic radical solid as typical one-dimensional heisenberg ferromagnet with quantum spin

Kazuyoshi Takeda, Toshiyuki Hamano, Tatsuya Kawae, Masako Hitaka, Syuji Kawasaki, Minoru Takahashi, Kazuo Mukai

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Quantum statistics for the most isotropic spin (S=1/2) system in one dimension has been studied with a newly synthesized ferromagnetic organic radical crystal of 3-(4-chlorophenyl)-1,5-diphenyl oxoverdazyl. The characteristic field dependence of the magnetic heat capacity of this crystal is quantitatively explained by the theoretical values derived from the Betheansatz technique applied to the quantum transfer matrix, with a unique intrachain exchange constant J/kB=5.5 K. By the simultaneous measurement of magnetic susceptibility and heat capacity, the three-dimensional ordering at TC=0.21 K, which is triggered by a weak interchain coupling |zJ'|/kB = 3 × 10-2, is confirmed.

Original languageEnglish
Pages (from-to)107-114
Number of pages8
JournalMolecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume278-279
Publication statusPublished - Dec 1 1996
Externally publishedYes

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Specific heat
specific heat
quantum statistics
Crystals
Magnetic susceptibility
crystals
Statistics
magnetic permeability
diphenyl

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

Organic radical solid as typical one-dimensional heisenberg ferromagnet with quantum spin. / Takeda, Kazuyoshi; Hamano, Toshiyuki; Kawae, Tatsuya; Hitaka, Masako; Kawasaki, Syuji; Takahashi, Minoru; Mukai, Kazuo.

In: Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals, Vol. 278-279, 01.12.1996, p. 107-114.

Research output: Contribution to journalArticle

Takeda, Kazuyoshi ; Hamano, Toshiyuki ; Kawae, Tatsuya ; Hitaka, Masako ; Kawasaki, Syuji ; Takahashi, Minoru ; Mukai, Kazuo. / Organic radical solid as typical one-dimensional heisenberg ferromagnet with quantum spin. In: Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals. 1996 ; Vol. 278-279. pp. 107-114.
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AU - Mukai, Kazuo

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