Elastic Study of Thiourea near the IV–V Phase Transition

DOI Web Site BIBCODE 参考文献6件
  • Tsunekawa Shin
    Synthetic Crystal Research Laboratory, Faculty of Engineering, Nagoya University
  • Ishibashi Yoshihiro
    Synthetic Crystal Research Laboratory, Faculty of Engineering, Nagoya University
  • Takagi Yutaka
    Synthetic Crystal Research Laboratory, Faculty of Engineering, Nagoya University

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説明

The temperature dependences of elastic stiffness constant C22 and attenuation coefficient α22 of thiourea single crystals were measured around the IV–V phase transition. It was found that the anomalous parts of the attenuation coefficient Δ α22 and of the elastic stiffness constant Δ C22 are both proportional to log(T−T0), in agreement with the formula given by Levanyuk et al. for uniaxial ferroelectric materials.

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