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High-Field ESR Measurements of S=1/2 Kagome Lattice Antiferromagnet BaCuVO(OH)
Wei-min Zhang, Hitoshi Ohta, Susumu Okubo +5
High-field electron spin resonance (ESR) measurements have been performed on vesignieite BaCuVO(OH), which is considered as a nearly ideal model substance of =1/…
Rattling-Induced Superconductiviy in the Beta-Pyrochlore Oxides AOs2O6
Yohei Nagao, Jun-ichi Yamaura, Hiroki Ogusu +2
The superconducting properties of two beta-pyrochlore oxides, CsOs2O6 and RbOs2O6, are studied by thermodynamic and transport measurements using high-quality single crystals. It is…
Phase Diagram and Spin Dynamics in Volborthite with a Distorted Kagome Lattice
M. Yoshida, M. Takigawa, H. Yoshida +2
We report 51V-NMR study on a high-quality powder sample of volborthite Cu3V2O7(OH)2/2H2O, a spin-1/2 Heisenberg antiferromagnet on a distorted kagome lattice formed by isosceles tr…
Magnetization "Steps" on a Kagome Lattice in Volborthite
Hiroyuki Yoshida, Yoshihiko Okamoto, Takashi Tayama +8
Magnetic properties of the spin-1/2 kagome-like compound volborthite are studied using a high-quality polycrystalline sample. It is evidenced from magnetization and specific heat m…
Vesignieite BaCu3V2O8(OH)2 as a Candidate Spin-1/2 Kagome Antiferromagnet
Yoshihiko Okamoto, Hiroyuki Yoshida, Zenji Hiroi
A polycrystalline sample of vesignieite BaCu3V2O8(OH)2 comprising a nearly ideal kagome lattice composed of Cu2+ ions carrying spin 1/2 has been synthesized and studied by magnetiz…