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High temperature transport and thermoelectric properties of Ag-substituted Ca3Co4O9+δ system

✍ Scribed by Yang Wang; Yu Sui; Jinguang Cheng; Xianjie Wang; Jipeng Miao; Zhiguo Liu; Zhengnan Qian; Wenhui Su

Book ID
116601460
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
332 KB
Volume
448
Category
Article
ISSN
0925-8388

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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