The Korean Journal of Ceramics

한국세라믹학회 (The Korean Ceramic Society)
권호 표지

Dielectric Classification and Addition of New Ferroelectric Members by Synthesis for Perovskite Titanate Family

  • Nakamura, Testsuro (Department of Applied Chemistry, Faculty of Engineering, Utsunomiya University) ;
  • Shan, Yue Jin (Department of Applied Chemistry, Faculty of Engineering, Utsunomiya University) ;
  • Miyata, Mayuko (Department of Applied Chemistry, Faculty of Engineering, Utsunomiya University) ;
  • Kobashi, Kazuhisa (Materals and Strueture Laboratory, Tokyo Institute of Technology) ;
  • Inaguma, Yoshiyuki (Materals and Strueture Laboratory, Tokyo Institute of Technology) ;
  • Itoh, Mitsuru (Materals and Strueture Laboratory, Tokyo Institute of Technology)
  • 발행 : 1999.03.01
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초록

For nonconducting perovskite titanates ATiO3 and A'1/2A"1/2TiO3, 5 ferroelectric members were discriminated from 17 quantum paraelectric members via average mass of A ions m(A): ferroelectric for m(A)〉110 a.u. and quantum paraelectric for m(A)<100 a.u. An intuitive explanation of the origin of the discrimination is given concenrned with the ferroelectric soft modes in perovskite ATiO3. Based on the above discrimination, trial synthesis of ferroelectric candiate substances are presented.

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참고문헌

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