Microscopic observation of the temperature coefficient distribution of dielectric material for microwave application using scanning photothermal dielectric microscope

Yasuo Cho, Teruaki Kasahara, Koichi Fukuda

研究成果: Conference article査読

抄録

Two dimensional images of the temperature coefficient of the distribution of the dielectric constant of a two phases composite ceramics composed of TiO2 and Bi2Ti4O11 are observed using scanning photothermal dielectric microscope. The obtained images clearly show that the each grain of TiO2 and Bi2Ti4O11 in the ceramics has a negative and a positive temperature coefficient, respectively and that the macroscopic averaged temperature coefficient of the ceramics is relatively low due to the cancellation of the coefficients with the opposite signs.

本文言語English
ページ(範囲)1647-1650
ページ数4
ジャーナルIEEE MTT-S International Microwave Symposium Digest
3
出版ステータスPublished - 1997 1 1
外部発表はい
イベントProceedings of the 1997 IEEE MTT-S International Microwave Symposium. Part 1 (of 3) - Denver, CO, USA
継続期間: 1997 6 81997 6 13

ASJC Scopus subject areas

  • 電子工学および電気工学
  • 凝縮系物理学

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