Dielectric and Conduction Properties in Nickel Doped Barium Strontium Titanate Ceramics

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概要

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• Electrical properties of defect structure in Ni-doped (Ba1-xSrx)TiO3 ceramics were studied by means of electron spin resonance (ESR), thermally stimulated current (TSC), dielectric and conduction measurements. A set of experimental results revealed that the nickel cations were located on the B-site of the perovskite in the form of Ni2+ and mainly Ni3+ leading to a slight increase of the diffusion characteristics of the para-ferroelectric transition and that the enhanced electric conduction observed at high temperatures is due to oxygen vacancy migration towards the cathode.

• 1998-06-15

著者

• Fukami Tatsuo

  Faculty Of Engineering Shinshu University

• Sheng Jianxin

  Faculty Of Engineering Shinshu University

• TAKEOKA Shinsuke

  Faculty of Engineering, Shinshu University

• NISHIDA Sousuke

  Faculty of Engineering, Shinshu University

• Hafid Mustapsha

  Faculty Of Science Ibn Tofail University

• Takeoka Shinsuke

  Faculty of Engineering, Shinshu University, 500 Wakasato, Nagano 380, Japan

• Nishida Sousuke

  CRPHT-CNRS, 1 D Avenue de la Recherche Scientifique, 45071 Orleans Cedex 2, Frence

• Husson Elisabeth

  CRPHT-CNRS, 1 D Avenue de la Recherche Scientifique, 45071 Orleans Cedex 2, Frence

• Nishida Sousuke

  Faculty of Engineering, Shinshu University, 500 Wakasato, Nagano 380, Japan

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