Nonmagnetic impurity effects on the spin disordered state in NiGa2 S4

Yusuke Nambu, Satoru Nakatsuji, Yoshiteru Maeno

研究成果: Article

5 引用 (Scopus)

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Nonmagnetic impurity effects on the spin disordered state in the triangular antiferromagnet NiGa2 S4 were studied through magnetic and thermal measurements for Ni1 - x Znx Ga2 S4(0.0 ≤ x ≤ 0.3) . The robust feature of the T2-dependent specific heat and its scaling behavior with the Weiss temperature, for all substitution up to 30%, indicate the existence of a coherent Nambu-Goldstone mode. The absence of either conventional magnetic order or bulk spin freezing suggests a novel symmetry breaking of the ground state.

元の言語English
ページ(範囲)1316-1318
ページ数3
ジャーナルJournal of Magnetism and Magnetic Materials
310
発行部数2 SUPPL. PART 2
DOI
出版物ステータスPublished - 2007 3 1
外部発表Yes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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