Solid-state self-assembly of nanostructured oxide as a candidate high-performance thermoelectric material

Atsuko Kosuga, Ken Kurosaki, Kunio Yubuta, Anek Charoenphakdee, Shinsuke Yamanaka, Ryoji Funahashi

研究成果: Article査読

3 被引用数 (Scopus)

抄録

We have focused on the recently reported nanostructured bulk ZnMn 2-x Ga x O 4 to evaluate whether this type of nanostructured oxide can effectively reduce thermal conductivity. Firstly, powdered samples of ZnMn 2-x Ga x O 4 (x = 0 to 2) were prepared and the effect of heat treatment on the obtained phases was examined. Secondly, we have picked out the composition of ZnMnGaO 4, in which two distinct types of rectangular nanorods with different compositions spontaneously interlace to form a cross-sectional checkerboard pattern. To confirm the effect of nanostructure on thermal transport properties, the room-temperature thermal conductivity of this nanostructured oxide was evaluated.

本文言語English
ページ(範囲)1303-1308
ページ数6
ジャーナルJournal of Electronic Materials
38
7
DOI
出版ステータスPublished - 2009 7月

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 電子工学および電気工学
  • 材料化学

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