^<51>V NMR Study in the Paramagnetic State of LaVO_3

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概要

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• The magnetic susceptibility (X) and the "V Knight shift (K) measurements are performed onthe perovskite L2lLV03 in the paramagnetic state. By analyzing the A-X diagram, independentcontributions of spin and orbital susceptibilities to the observed one are determined experimen-tally. The spin susceptibility was fotrnd to be suppressed from the Curie-Weiss law for S = 1spins well above the Neel temperature. It was also found that the layperfine coupling constantfor d spin is largely redttced from the usual core-polarization contribution. The analysis basedon a local-rnornent rnodel shows that this reduction rnay be caused by a large transferred hyper-fine coupling between the neighboring V" tons rather than by covalency with O' ions. Thisaccounts for all the NMR data rather quantitatively, though, the sign and the magnitude of thetransferred hyperfine field are not cornpatible with any existing microscopic theories.

• 社団法人日本物理学会の論文
• 1996-08-15

著者

• UEDA Yutaka

  Institute for Solid State Physics, University of Tokyo

• 安岡 宏志

  東大物性研

• 安岡 弘志

  原研先端研

• KIKUCHI Jun

  Institute for Solid State Physics, University of Tokyo

• YASUOKA Hiroshi

  Institute for Solid State Physics,University of Tokyo

• Ueda Yutaka

  Institute For Solid State Physics University Of Tokyo

• KIKUCHI Jun

  Advanced Research Institute for Science and Engineering, Waseda University

• Kikuchi J

  Kikui-branch Advanced Research Institute For Science And Engineering Waseda University

• Kikuchi J

  Advanced Research Institute For Science And Engineering Waseda University

• Ohtani Tsukio

  Laboratory For Solid State Chemistry Okayama University Of Science

• Ohtani Tsukio

  Laboratory For Solid State Chemistry Okayama University

• Yasuoka Hiroshi

  Institute For Chemistry Research Kyoto University

• Yasuoka Hiroshi

  Department Of Mathematics And Physics The National Defense Academy

• Kikuchi J

  Sci. Univ. Tokyo Tokyo

• KOKUBO Yasuki

  Institute for Solid State Physics,University of Tokyo

• YASUOKA Hiroshi

  ISSP of the University of Tokyo

• Kokubo Yasuki

  Institute For Solid State Physics University Of Tokyo

• Kikuchi Jun

  Institute For Solid State Physics University Of Tokyo

• Yasuoka Hiroshi

  Institute Fo Solid State Physics University Of Tokyo

• Ueda Yutaka

  Institute For Solid State Physic The University Of Tokyo

• Yasuoka Hiroshi

  Department Of Metal Scisnce And Technology Kyoto University

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