Preparation and characterization of Ca3(Co,M)4O9+δ type thermoelectric materials using the electrostatic spray deposition method

Kenjiro Fujimoto, Takuto Isa, Haruka Sakurai, Yuki Yamaguchi, Keishi Nishio

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Ca3(Co1-xAlx)4O9+δ, Ca3(Co1-yCuy)4O9+δ, Ca3(Co1-x-yAlxCuy)4O9+δ thin-films and sintered bodies were prepared using the electrostatic spray deposition method. Electrical conductivity of Ca3(Co0.95Al0.025Cu0.025)4O9 showed large values compared with Ca9Co12O28. Power factor of Ca3(Co0.95Al0.025Cu0.025)4O9 also showed approximately same values as those of single phase compounds of Ca9Co12O28. It was considered that the phenomenon was due to the increase of hole concentration and its mobility.

本文言語English
ページ(範囲)175-184
ページ数10
ジャーナルFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
62
4
DOI
出版ステータスPublished - 1 4月 2015

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