Elastic Properties and the Phase Transitions in Hexagonal Barium Titanate

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概要

• 論文の詳細を見る

• Elastic properties of haxagonal Basic. have been investigated through measure-ments of elastic compliances by the composite-bar method. At the structural-phase-transition temperature T. - 215 K, the effective elastic compliance is found to exhibita stepwise anomaly. Phenomenological theory of this phase transition is given by us-ing a model that a silent E.. mode in the high-temperature hexagonal phase might bethe soft-phonon mode of which frequency vanishes at T.. At another transition temperature T. - 54 K, measured elastic compliances are found to exhibit a divergent in-crease. Together with other experimental evidences, the phase transition at T. is inferpreied to be of a ferroelastic nature.

• 社団法人日本物理学会の論文
• 1988-01-15

著者

• SAWAGUCHI Etsuro

  Department of Physics,Faculty of Science,Hokkaido University

• Yamaguchi H

  Gunma Univ. Gunma

• Yamaguchi H

  Electrotechnical Lab. Ibaraki Jpn

• Yamaguchi H

  Inst. Physical And Chemical Res. (riken) Saitama

• Yamaguchi Hirotaka

  Institute Of Applied Physics University Of Tsukuba

• Sawaguchi E

  Agne-gijutsu Center

• Sawaguchi Etsuro

  Department Of Physics Faculty Of Science Hokkaido University

• UWE Hiromoto

  Institute of Applied Physics, University of Tsukuba

• SAKUDO Tunetaro

  Institute of Applied Physics,The University of Tsukuba

• Yamaguchi H

  Akita Prefectual University

• Uwe Hiromoto

  Institute Of Applied Physics The University Of Tsukuba

• Uwe Hiromoto

  Institure Of Applied Physics University Of Tsukuba

• Sakudo T

  Univ. Tsukuba Ibaraki

• Sakudo Tunetaro

  Institure Of Applied Physics University Of Tsukuba

• Yamaguchi H

  Ritsumeikan University

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