Thermoelectric properties of hot-pressed boron suboxide (B6O)

Takaya Akashi, Tsuyoshi Itoh, Itaru Gunjishima, Hiroshi Masumoto, Takashi Goto

研究成果: Article査読

25 被引用数 (Scopus)

抄録

Boron suboxide (B6O) sintered bodies were prepared by a solid state reaction and a hot pressing method. The thermoelectric properties of B6O were compared with those of B4C. The electrical conductivity was smaller than that of B4C, and the Seebeck coefficient was twice as large as that of B4C indicating p-type conduction. The hopping conduction of electronic charge carders was suggested from the temperature dependencies of the electrical conductivity and mobility. The thermal conductivity was greater than that of B4C. The thermoelectric dimensionless figure-of-merit increased with increasing temperature, and was 0.62 × 10-3 at 1000 K. This value was almost in agreement with that of B4C.

本文言語English
ページ(範囲)1719-1723
ページ数5
ジャーナルMaterials Transactions
43
7
DOI
出版ステータスPublished - 2002 7

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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