Short-range correlations and persistent spin fluctuations in the undistorted kagome lattice Ising antiferromagnet Co 3Mg(OH) 6Cl 2

M. Fujihala, X. G. Zheng, Y. Oohara, H. Morodomi, Tatsuya Kawae, Akira Matsuo, Koichi Kindo

研究成果: ジャーナルへの寄稿記事

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Spin fluctuations and spin-liquid behaviors of frustrated kagome antiferromagnets have received intense recent attention. Although most severe frustration was predicted for an Ising kagome antiferromagnet, a real material system of undistorted kagome lattice has not been found so far. Here we report the frustrated magnetism of a new Ising kagome antiferromagnet, MgCo 3(OH) 6Cl 2, which can be viewed as a Co version of the intensively researched quantum kagome antiferromagnet of Herbertsmithite ZnCu 3(OH) 6Cl 2. Experiments of magnetization, heat capacity, μSR, and neutron scattering demonstrated a partially frozen state with persistent spin fluctuations below around T = 2.7 K. The present study has provided a real material system to study the Ising spin behaviors on undistorted kagome lattice.

元の言語英語
記事番号012402
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
85
発行部数1
DOI
出版物ステータス出版済み - 1 10 2012

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All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

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