Specific Heat of Quasi-One-Dimensional Spin 1/2 System CuNb_2O_6

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概要

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• The specific heat C of CtrNb3O(5 xvith qtr?tsi-one-ditaaensiotaal zig-z?tg spin S = 172 chatinshas been uneasttred in the tetaaperattrre (T) range between 1.6 K and 40 K. For the orthorluoutabic phase, a slaarp anonaaal3' of C is obserx'ed at the antiferrorn?tgnetic transitiott tezaaperattrreTy x 7.3 K. The T-dependence of C of tl?e zaaonoclinic phstse, xvhose grotrrad state has 21 spungap, can toe xvell described by the exch?'tnge pararaaeters deteruaained by fitting the naagnetic SETS-ceptibility X calctrlated for a raaodel of' a ferroraa?tgruetic-anti['errornagnetic alternatrng borad to theexperitauentally obtained X. The g;tp-valtre estitaaated frotaa the IOXV tetaaper'atttre behavior of C isabout 21 K, xvhich is also consistent with the ones obtained by otlaer ttaeastrretauents. Resttlts of thetneastrrernents of the naaagraetic strsceptibilities .y ?tnd the specific heats C of' IN/I -CLII ..Zn.Nbz05(O< x< 0.5) and their strtrcttrral parataaeters are also presented.

• 社団法人日本物理学会の論文
• 1998-06-15

著者

• KODAMA Katsuaki

  Department of Physics,Division of Material Science,Nagoya University

• HARASHINA Hiroshi

  Department of Physics,Division of Material Science,Nagoya University

• KATO Masaya

  Department of Physics,Division of Material Science,Nagoya University

• SATO Masatoshi

  Department of Physics,Division of Material Science,Nagoya University

• NISHIKAWA Takashi

  Department of Physics,Division of Material Science,Nagoya University

• 原科 浩

  教養部物理学教室

• Kato Masaya

  Department Of Cardiology Hiroshima City Asa Hospital

• Kato Masaya

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

• 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

• Nishikawa Takashi

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

• Kodama Katsuaki

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

• Kodama Katsuaki

  Department Of Physics Division Of Material Science Nagoya University

• Fujita Takaaki

  Kyushu University

• FUKAMACHI Toshihiko

  Department of Physics,Division of Material Science,Nagoya University

• Kato M

  Toyohashi Univ. Technol. Aichi Jpn

• Kodama Masafumi

  The Graduate School Of Science And Technology Kobe University

• Nishikawa T

  Nagoya Univ. Museum Nagoya Jpn

• Nishikawa Takashi

  Department Of Physics Faculty Of Science Nagoya University

• Nishioka Takashi

  Faculty Of Science Kochi University

• Nishioka Takashi

  Department Of Materials Science Faculty Of Science Kochi University

• Nishioka Takashi

  Department Of Physics Faculty Of Science Nagoya University

• Nishioka Takashi

  Department Of Physics Nagoya University

• Nishioka Takashi

  Department Of Physics Graduate School Of Science Nagoya University

• Kato Mayumi

  Institute For Solid State Physics University Of Tokyo

• Kasai Mayumi

  Department Of Physics Division Of Material Science Nagoya University

• Kato M

  Institute For Solid State Physics University Of Tokyo

• Nishioka T

  Department Of Materials Science Faculty Of Science Kochi University

• Fukamachi T

  Department Of Physics Division Of Material Science Nagoya University

• Nishikawa Takashi

  Department Of Pharmaceutical Sciences Kyoritsu University Of Pharmacy

• Sato Masatoshi

  Department Of Electrical And Electronics Engineering Sophia University

• Nishikawa Takashi

  Department Of Clinical Neuroscience Osaka University Graduate School Of Medicine

• Sato Masatoshi

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

• Nishikawa Takashi

  Department of Biotechnology, Graduate School of Engineering, Osaka University

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