Electromechanical Properties of BaTiO3 Ceramics Prepared by Spark Plasma Sintering and Other Methods

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概要

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• BaTiO3 (BT) ceramics with various grain sizes are prepared by spark plasma sintering (SPS), two-step sintering, and conventional sintering. The field-induced displacement and piezoelectric constant measured by a resonant–antiresonant frequency method are evaluated. The BT ceramics prepared by SPS are characterized by high permittivity, high loss tangent, linear-field-induced strain, and low $Q_{\text{m}}$, and exhibit a relatively higher field-induced strain and a higher $d_{31}$ value than the fine-grained BT ceramics fabricated by other methods. These characteristics of the SPS-BT ceramics are probably due to the high internal stress of the samples.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2009-09-25

著者

• Maiwa Hiroshi

  Shonan Institute of Technology

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• Electromechanical Properties of BaTiO3 Ceramics Prepared by Spark Plasma Sintering and Other Methods
• Preparation and Properties of BaTiO3 Ceramics by Spark Plasma Sintering

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