標題: Free-electronlike diffusive thermopower of indium tin oxide thin films
作者: Wu, Chih-Yuan
Tra Vu Thanh
Chen, Yi-Fu
Lee, Jui-Kan
Lin, Juhn-Jong
電子物理學系
物理研究所
Department of Electrophysics
Institute of Physics
公開日期: 15-Dec-2010
摘要: We report our measurements of thermopower, S (T), on a series of indium tin oxide thin films from 300 down to 5 K to extract the carrier concentration n. The temperature behavior of S (T) below 300 K can be essentially described by a prevailing linear diffusive contribution. In this wide temperature interval, the phonon-drag thermopower is negligible relative to the diffusive thermopower. Therefore, the free-electronlike characteristic is clearly addressed. It should be stressed that linearity in S(d) from liquid-helium temperatures all the way up to room temperatures is seldom seen even in simple metals. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3524522]
URI: http://dx.doi.org/10.1063/1.3524522
http://hdl.handle.net/11536/26220
ISSN: 0021-8979
DOI: 10.1063/1.3524522
期刊: JOURNAL OF APPLIED PHYSICS
Volume: 108
Issue: 12
結束頁: 
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