Deuteron Self-Trapped State and the Strain-Mediated Structural Phase Transition in KDCO_3

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概要

• 論文の詳細を見る

• The phase transition mechanism of KDCO_3 crystal composed of hydrogen-bonded (DCO_3)_2-dimers has been studied by neutron scattering. Strong quasielastic diffuse scattering is observed above T_c. From detailed analysis of the intensity distribution in a wide range of the reciprocal space, the following conclusions are drawn. (i) Even at T>T_c, the individual dimer is already deformed by the self-trapping of deuterons within the hydrogen bond, thus locally breaking the symmetry of the averaged lattice. (ii) The inter-dimer interaction takes place via the strain field induced by the independent deformed dimers. The structural phase transition in KDCO_3 is triggered by this strain-mediated indirect interaction between the dimers.

• 社団法人日本物理学会の論文
• 1995-07-15

著者

• Yamada Y

  Tohoku Univ. Sendai Jpn

• KAKURAI Kazuhisa

  Institute for Solid State Physics,The University of Tokyo

• KAKURAI Kazuhisa

  Japan Atomic Energy Agency

• Yamada Y

  Advanced Research Institute Waseda University:advanced Science Research Center Japan Atomic Energy R

• Kodama Katsuaki

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

• Yamada Y

  Waseda Univ. Tokyo

• KANAO Rinna

  Advanced Research Center for Science and Engineering,Waseda University

• NOHDO Shin-ichiro

  Advanced Research Center for Science and Engineering,Waseda University

• HORIUCHI Noriaki

  Advanced Research Center for Science and Engineering,Waseda University

• KASHIDA Shoji

  Faculty of Science,Niigata University

• YAMADA Yasusada

  Advanced Research Center for Science and Engineering,Waseda University

• Yamada Y

  Nippondenso Co. Ltd. Nishio

• Yamada Y

  Hosei Univ. Tokyo

• Yamada Y

  Institute For Solid State Physics The University Of Tokyo

• Yamada Yasusada

  Advanced Science Research Center Japan Atomic Energy Research Institutewaseda University

• Yamada Yuh

  Department Of Metallurgical Engineering Nagoya Institute Of Technology

• Kakurai Kazuhisa

  Neutron Scattering Laboratory Institute For Solid State Physics The University Of Tokyo

• Kakurai Kazuhisa

  Institute For Solid State Physics University Of Tokyo

• Yamada Y

  Advanced Research Center For Science And Engineering Waseda University

• Yamada Yasusada

  Advanced Reserch Center For Science And Engineering

• Yamada Y

  Department Of Physics Faculty Of Science Kyoto University

• Kanao R

  Advanced Research Center For Science And Engineering Waseda University

• Kanao Rinna

  Advanced Research Center For Science And Engineering Waseda University

• Kashida S

  Niigata Univ. Niigata

• Kashida Shoji

  Faculty Of Science Niigata University

• Yamada Yasusada

  Advanced Institute Of Science And Engineering Waseda University

• Nohdo Shin-ichiro

  Advanced Research Center For Science And Engineering Waseda University

• Horiuchi Noriaki

  Advanced Research Center For Science And Engineering Waseda University

• Kakuta Kazuyuki

  Department Of Physics Aoyama-gakuin University

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