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

doi:10.2497/jjspm.62.175

Preparation and characterization of Ca₃(Co,M)₄O_9+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(Co_1-xAl_x)₄O_9+δ, Ca₃(Co_1-yCu_y)₄O_9+δ, Ca₃(Co_1-x-yAl_xCu_y)₄O_9+δ thin-films and sintered bodies were prepared using the electrostatic spray deposition method. Electrical conductivity of Ca₃(Co_0.95Al_0.025Cu_0.025)₄O₉ showed large values compared with Ca₉Co₁₂O₂₈. Power factor of Ca₃(Co_0.95Al_0.025Cu_0.025)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
巻	62
号	4
DOI	https://doi.org/10.2497/jjspm.62.175
出版ステータス	Published - 1 4月 2015

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10.2497/jjspm.62.175

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引用スタイル

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

abstract = "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.",

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T1 - Preparation and characterization of Ca3(Co,M)4O9+δ type thermoelectric materials using the electrostatic spray deposition method

AU - Fujimoto, Kenjiro

AU - Isa, Takuto

AU - Sakurai, Haruka

AU - Yamaguchi, Yuki

AU - Nishio, Keishi

PY - 2015/4/1

Y1 - 2015/4/1

N2 - 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.

AB - 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.

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