Thermally Stimulated Current and Electro-Optic Responses in a Main- and Side-Chain Photorefractive Polymer.

DOI Web Site 被引用文献1件 参考文献30件
  • Aoyama Tetsuya
    Supramolecular Science Laboratory, RIKEN (The Institute of Physical and Chemical Research) Department of Material Sciences, Faculty of Science and Technology, Keio University
  • Wada Tatsuo
    Supramolecular Science Laboratory, RIKEN (The Institute of Physical and Chemical Research)
  • Zhang Ya-Dong
    Supramolecular Science Laboratory, RIKEN (The Institute of Physical and Chemical Research)
  • Moritsuki Yuji
    Supramolecular Science Laboratory, RIKEN (The Institute of Physical and Chemical Research)
  • Yonechi Yuriko
    Supramolecular Science Laboratory, RIKEN (The Institute of Physical and Chemical Research)
  • Sasabe Hiroyuki
    Faculty of Photonics Science and Technology, Chitose Institute of Science & Technology (CIST)
  • Koike Yasuhiro
    Department of Material Sciences, Faculty of Science and Technology, Keio University

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The polarization and depolarization behavior of electric field-induced polar alignment in a side- and main-chain photorefractive polymer was measured by thermally stimulated current (TSC) and electro-optic (EO) modulation experiments. A relaxation peak was observed around the glass transition temperature (Tg) for the poled photorefractive polymer in a TSC experiment. The apparent TSC was not observed at room temperature. The polarization calculated from the relaxation peak linearly increased with the strength of the poling electric field. This result was consistent with the EO behavior which showed the linear dependence of the EO coefficients on the poling electric field. The main- and side-chain photorefractive polymer could be aligned by the electric field at an elevated temperature, and the polar alignment was stable at room temperature, which could lead to the long-term stability of the photorefractive responses without an external applied electric field.

収録刊行物

  • Polymer Journal

    Polymer Journal 33 (10), 718-722, 2001

    The Society of Polymer Science, Japan

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