^<51>V-NMR Studies on the Spin Dynamics of S=1/2 Zig-Zag Chains of VO_5 Pyramids

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概要

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• NNIR Knight shifts K axnd tatrcle;tr n'e1?txattion rsrtes l /T3 have lceen sttrdied on tlae V"" sites of'txvo cotanpottnds [N(CH3)?j]V307 ?tnd ((211)2ZI1V60]4 xvhich ?rre l<noxvn to exhibit sjcin-gap lcelt;tvior['rona their strsceptilcility dat?t. The activattion-tyjce belaavior la?ts been observed in K and I/T3 ,confirming tlue existence of' tlae sjcin-ganp in tlaese systetns. The f'requency (cu?) dejoezudetace of'I/Tn of UN(CH3)4]V307 laas been f'otrrad to be l/y?-type one and 1/'Z"U of' ((l)11)2ZIlV6O1.4 islinear in - In(u?), indic?tting the difl'tusive arrd ballistic chstratcters of' tire triplet excitations,respectively. The resttlts are disctrssed in relsxtion to the theory recently developed Joy Sarchdevand D211111(16 [Phys. Rexz. B 57 (1998) 8307].

• 社団法人日本物理学会の論文
• 1999-01-15

著者

• HARASHINA Hiroshi

  Department of Physics,Division of Material Science,Nagoya University

• SATO Masatoshi

  Department of Physics,Division of Material Science,Nagoya University

• 原科 浩

  教養部物理学教室

• Kato Masaya

  Department Of Physics Division Of Material Science Nagoya University:crest Japan Science And Technol

• KOBAYASHI Yoshiaki

  Department of Physics, Division of Material Science, Nagoya University

• Fujita Toshizo

  Department Of Quantum Matter Adsm Hiroshima University

• Masaki Kato

  Department Of Chemistry Graduate School Of Science Kyoto University

• Kanada Masaki

  Department Of Physics Division Of Material Science Nagoya University

• Kudo Y

  Environment & Analysis Technology Department Technical Support Center Sony Corporation

• Fujita Takaaki

  Kyushu University

• FUKAMACHI Toshihiko

  Department of Physics,Division of Material Science,Nagoya University

• TANAKA Shukichi

  Department of Physics,Saga University

• Kato M

  Toyohashi Univ. Technol. Aichi Jpn

• Kodama Masafumi

  The Graduate School Of Science And Technology Kobe University

• Kamihara Yoichi

  Erato-sort Jst In Frontier Research Center Tokyo Institute Of Technology

• Kato Mayumi

  Institute For Solid State Physics University Of Tokyo

• Kudo Y

  Research Reactor Institute Kyoto University

• Kasai Mayumi

  Department Of Physics Division Of Material Science Nagoya University

• Kato M

  Institute For Solid State Physics University Of Tokyo

• Fukamachi T

  Department Of Physics Division Of Material Science Nagoya University

• Tanaka Shukichi

  Department Of Physics Faculty Of Science Nagoya University

• Sato Masatoshi

  Department Of Electrical And Electronics Engineering Sophia University

• Kobayashi Yoshiaki

  Department Of Physics Division Of Material Science Nagoya University

• Sato Masatoshi

  Department Of Agro-environmental Science Obihiro University Of Agriculture And Veterinary Medicine

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