Seebeck Effects and Electronic Thermal Conductivity of IV-VI Materials
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概要
- 論文の詳細を見る
Theoretical calculations of the Seebeck coefficient and electronic thermal conductivity of general materials such as metals, semiconductors, and quantum structures are described, and the dependence of the Seebeck coefficient on doping level and temperature is discussed for lead-salt materials. Experimental Seebeck coefficient was measured for PbS films and the value agreed well with the theoretical value, indicating a high thermoelectric performance comparable to that of PbTe. The temperature dependence of electronic thermal conductivity is also discussed for lead salts. It is shown that minority carriers in the narrow-gap semiconductor significantly affect electronic thermal conductivity, and electronic thermal conductivity at high temperatures can be reduced by high-level doping.
- 2011-03-25
著者
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Takano Yasushi
Department Of Agricultural-environmental Biology Graduate School Of Agriculture And Life Sciences Th
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Takaoka Sadao
Department Of Geography Faculty Of Science Tokyo Metropolitan University
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Ishida Akihiro
Department Of Applied Physics The National Defense Academy
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Nakano Takayuki
Department Of Biosciences Teikyo University
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Yamada Tomohiro
Department Of Clinical Pathology Kinki University School Of Medicine
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Takano Yasushi
Department of Electrical and Electronic Engineering, Faculty of Engineering, Shizuoka University, Hamamatsu 432-8561, Japan
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Takaoka Sadao
Department of Physics, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
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Ishida Akihiro
Department of Electrical and Electronic Engineering, Faculty of Engineering, Shizuoka University, Hamamatsu 432-8561, Japan
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Yamada Tomohiro
Department of Electrical and Electronic Engineering, Faculty of Engineering, Shizuoka University, Hamamatsu 432-8561, Japan
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