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Effect of Gd-doping on thermoelectric properties of Ca3Co4O9+δceramics

✍ Scribed by H. Q. Liu; X. B. Zhao; Fu Liu; Y. Song; Q. Sun; T. J. Zhu; F. P. Wang


Publisher
Springer
Year
2008
Tongue
English
Weight
362 KB
Volume
43
Category
Article
ISSN
0022-2461

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Ca 3 À x Er x Co 4 O 9 + d (x ¼ 0, 0.05, 0.15, 0.3 and 0.5) samples were prepared using a sol-gel method followed by hot-pressing sintering technique. Powder X-ray diffraction analysis showed the single-phases of Ca 3 À x Er x Co 4 O 9 + d were obtained up to x ¼ 0.3 and the crystallinity of the sam