Squareness Control in Polarization--Electric Field Hysteresis Curves in Rhombohedral Pb(Zr,Ti)O

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概要

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• Squareness in polarization--electric field hysteresis loops of (100)-oriented epitaxial and fiber-textured rhombohedral Pb(Zr,Ti)O<inf>3</inf>films prepared on (100) SrTiO<inf>3</inf>and (100) Si substrates, respectively, was investigated as a function of temperature. The ratio of remanent polarization to saturation polarization (P_{\text{r}}/P_{\text{sat}}) decreased with increasing temperature for all films. It depends on the kind of substrates and the remained strain in the in-plane orientation. These data suggest that the existing strain in the films possibly affects the temperature dependence of the P_{\text{r}}/P_{\text{sat}} ratio.

• 2013-04-25

著者

• MORIOKA HITOSHI

  Tokyo Institute of Technology

• WATANABE TAKAYUKI

  Tokyo Institute of Technology

• FUNAKUBO Hiroshi

  Tokyo Institute of Technology, Department of Innovative and Engineered Materials

• Okamoto Shoji

  Tokyo Institute of Technology, Yokohama 226-8502, Japan

• Yokoyama Shintaro

  Tokyo Institute of Technology, Yokohama 226-8502, Japan

• Sumi Akihiro

  Tokyo Institute of Technology, Yokohama 226-8502, Japan

• Oikawa Takahiro

  Tokyo Institute of Technology, Yokohama 226-8502, Japan

• Ehara Yoshitaka

  Tokyo Institute of Technology, Yokohama 226-8502, Japan

• Funakubo Hiroshi

  Tokyo Institute of Technology, Yokohama 226-8502, Japan

• Morioka Hitoshi

  Tokyo Institute of Technology, Yokohama 226-8502, Japan

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