Combinatorial Pulsed Laser Deposition and Thermoelectricity of (Ca1-xAx)3Co4O9 (A: Sr, Ba) Composition-Spread Films

Abstract:

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(Ca1-xAx)3Co4O9 (A: Sr, Ba) composition-spread films were fabricated successfully on TiO2 (100) substrate by combinatorial pulsed laser deposition (CPLD), and their thermoelectric (TE) properties and structure were evaluated by the multi-channel thermoelectric measurement system and concurrent X-ray analysis respectively. The largest power factor in (Ca1-xSrx)3Co4O9 film library was achieved as 1.67µW/cmK2. The influence of substitution on TE properties was investigated by doping Sr2+ and Ba2+ ions into Ca3Co4O9. However, there was little change of Seebeck coefficient in the range of 0≤x≤0.1 for (Ca1-xAx)3Co4O9 (A: Sr, Ba) films, which suggested that the substitution ions with smaller size were potential candidates for good TE properties.

Info:

Periodical:

Advanced Materials Research (Volumes 118-120)

Edited by:

L.Y. Xie, M.N. James, Y.X. Zhao and W.X. Qian

Pages:

780-784

DOI:

10.4028/www.scientific.net/AMR.118-120.780

Citation:

Q. J. Wang et al., "Combinatorial Pulsed Laser Deposition and Thermoelectricity of (Ca1-xAx)3Co4O9 (A: Sr, Ba) Composition-Spread Films", Advanced Materials Research, Vols. 118-120, pp. 780-784, 2010

Online since:

June 2010

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$35.00

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