Optical Activity and Electrogyration Effect of Co_3B_7O_<13>I and CU_3B_7O_<13>Cl

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概要

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• Optical gyration studies on Co_3B_7O_<13>I and Cu_3B_7O_<13>Cl were conducted by the high accuracy universal polarimeter (HAUP) method. Temperature dependences of the gyration tensor g_<12> manifested sharp peaks at improper ferroelectric transition points. The electrogyration coefficient of Co_3B_7O_<13>I also exhibited a sharp peak at the transition point. Taking our previous work of Fe_3B_7O_<13>I into account, it was concluded that peculiar temperature dependences of gyration and the electrogyration coefficient are a common nature of ferroelectric boracite crystals.

• 社団法人応用物理学会の論文
• 1992-09-30

著者

• Tomizawa Masahito

  Kagami Memorial Laboratory For Material Science And Technology Waseda University

• KOBAYASHI Jinzo

  Kagami Memorial Laboratory for Materials Science and Technology, Waseda University

• Takahashi Nobuko

  Kagami Memorial Laboratory For Material Science And Technology Waseda University

• Kobayashi Jinzo

  Kagami Memorial Laboratory For Material Science And Technology Waseda University:reseach Development

関連論文

• Optical Activity and Phase Transition of Pb_La_x(Zr_yTi_z)_O_3 ( FERROELECTRIC MATERIALS AND THEIR APPLICATIONS)
• Optical Study of Pb_La_x(Zr_yTi_z)_O_3
• Optical Properties of Gd_2(MoO_4)_3 Studied by High Accuracy Universal Polarimeter (HAUP) Method
• Optical Activity and Phase Transitions of Fe-I Boracite : Fundamentals
• Optical Activity of LiNH_4C_4H_4O_6・H_2O
• Optical Activity and Electrogyration Effect of Co_3B_7O_I and CU_3B_7O_Cl

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