4.3 Article

β-Vesignieite BaCu3V2O8(OH)2: a structurally perfect S=1/2 kagome antiferromagnet

Journal

JOURNAL OF MATERIALS CHEMISTRY
Volume 22, Issue 36, Pages 18793-18796

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2jm32250a

Keywords

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Funding

  1. Japan Society for the Promotion of Science [22-10454, 22560676, 22246083]
  2. Grants-in-Aid for Scientific Research [10J10454, 22246083, 22560676] Funding Source: KAKEN

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A novel copper mineral beta-vesignieite BaCu3V2O8(OH)(2) with trigonal symmetry has been synthesized for the first time using a hydrothermal technique. beta-Vesignieite is an ideal spin-1/2 kagome antiferromagnet. Antiferromagnetic long-range order is found at 9 K, probably due to a finite Dzyaloshinski-Moriya interaction caused by the kagome symmetry.

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