Development of a high-throughput thermoelectric screening tool for combinatorial thin film libraries |
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| Authors: | M Otani K Itaka PK Schenck |
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| Institution: | a Materials Science and Engineering Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
b Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa 277-8568, Japan |
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| Abstract: | We have developed a high-throughput thermoelectric screening tool for the study of combinatorial thin films. This tool consists of a probe to measure resistance and Seebeck coefficient on an automated translation stage. A thin film library of the (Ca1−x−ySrxLay)3Co4O9 ternary system has been fabricated on a Si (1 0 0) substrate, using combinatorial pulsed laser deposition by the natural-composition-spread method. We have demonstrated successful mapping of the resistance and Seebeck coefficient of this film library. The mapping indicates that the substitution of La for Ca results in an increase of both resistance and Seebeck coefficient, and that of Sr results in a decrease of resistance. The screening tool allows us to measure 1080 data points in 6 h. |
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| Keywords: | 72 15 Jf 81 15 &minus z |
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