The A-Site and B-Site non-stoichiometry and sintering characteristics of (Sr1−xLax)1−yTi1−zO3 perovskites were studied using samples prepared by solid-state mixing. A-Site or B-Site deficiency was observed for La-doped SrTiO3 perovskites, and this increased with increasing La content. For A-Site deficient (Sr1−xLax)1−yTiO3 perovskites, the cell volumes decreased although the reverse was observed for B-Site deficient (Sr1−xLax)Ti1−zO3 perovskites. This may be related to number of B-Site vacancies in the perovskites through charge compensation. It was found that A-Site and B-Site deficiencies increase the density of (Sr1−xLax)1−yTi1−zO3 perovskites. These characteristics may prove useful in the development of solid oxide fuel cell interconnect materials.
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October 2011
This article was originally published in
Journal of Fuel Cell Science and Technology
Research Papers
A-Site and B-Site Non-stoichiometry and Sintering Characteristics of (Sr1−xLax)1−yTi1−zO3 Perovskites
Masashi Mori
,
masashi@cripei.denken.or.jp
Masashi Mori
Central Research Institute of Electric Power Industry
, 2-6-1 Nagasaka, Yokosuka, Kanagawa 240-0196, Japan
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Zhenwei Wang
,
Zhenwei Wang
Central Research Institute of Electric Power Industry
, 2-6-1 Nagasaka, Yokosuka, Kanagawa 240-0196, Japan
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Takanori Itoh
,
Takanori Itoh
AGC Seimi Chem. Co. Ltd.
, 3-2-10 Chigasaki, Chigasaki-shi, Kanagawa 253-8585, Japan
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Shintarou Yabui
,
Shintarou Yabui
Tokushima University
, 2-1 Minami-josanjima, Tokushima-shi, Tokusima 770-8506, Japan
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Kei-ichiro Murai
,
Kei-ichiro Murai
Tokushima University
, 2-1 Minami-josanjima, Tokushima-shi, Tokusima 770-8506, Japan
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Toshihiro Moriga
Toshihiro Moriga
Tokushima University
, 2-1 Minami-josanjima, Tokushima-shi, Tokusima 770-8506, Japan
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Masashi Mori
Central Research Institute of Electric Power Industry
, 2-6-1 Nagasaka, Yokosuka, Kanagawa 240-0196, Japan
masashi@cripei.denken.or.jp
Zhenwei Wang
Central Research Institute of Electric Power Industry
, 2-6-1 Nagasaka, Yokosuka, Kanagawa 240-0196, Japan
Takanori Itoh
AGC Seimi Chem. Co. Ltd.
, 3-2-10 Chigasaki, Chigasaki-shi, Kanagawa 253-8585, Japan
Shintarou Yabui
Tokushima University
, 2-1 Minami-josanjima, Tokushima-shi, Tokusima 770-8506, Japan
Kei-ichiro Murai
Tokushima University
, 2-1 Minami-josanjima, Tokushima-shi, Tokusima 770-8506, Japan
Toshihiro Moriga
Tokushima University
, 2-1 Minami-josanjima, Tokushima-shi, Tokusima 770-8506, Japan
J. Fuel Cell Sci. Technol. Oct 2011, 8(5): 051014 (4 pages)
Published Online: June 23, 2011
Article history
Received:
December 28, 2010
Revised:
April 5, 2011
Online:
June 23, 2011
Published:
June 23, 2011
Citation
Mori, M., Wang, Z., Itoh, T., Yabui , S., Murai, K., and Moriga, T. (June 23, 2011). "A-Site and B-Site Non-stoichiometry and Sintering Characteristics of (Sr1−xLax)1−yTi1−zO3 Perovskites." ASME. J. Fuel Cell Sci. Technol. October 2011; 8(5): 051014. https://doi.org/10.1115/1.4003982
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