Coupled Acoustic Modes in Tetragonal BaTiO_3

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概要

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• The dependence of the acoustic-phonon velocities in tetragonal Basic. on the pro-pagating direction in the (010) plane has been measured by means of Brillouin scattering. The behavior of the acoustic velocities is well interpreted by the coupled modetheory due to the interaction between the acoustic mode and the soft optic mode. Thevalues of all elastic moduli except for C.. have been determined and the couplingstrength is discussed.

• 社団法人日本物理学会の論文
• 1987-12-15

著者

• ISHIDATE Takeo

  Department of Physics,Faculty of Science,Shizuoka University

• Ishidate Takeo

  Department Of Pediatrics Kitasato University Hospital.

• Sasaki Shigeo

  Department of Electronics and Computer Engineering, Gifu University

• Ishidate T

  Shizuoka Univ. Shizuoka

• Sasaki Shigeo

  Department Of Chemistry Faculty Of Science Kyushu University

• Sasaki Shigeo

  Department Of Physics Faculty Of Science Shizuoka University:department Of Electronics And Computer

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