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Thermoelectric phase diagram in a CaTiO3- SrTiO3 - BaTiO3 system
http://hdl.handle.net/2237/8769
4b23dcc4-8cfc-460a-9d23-caa19754e9ab
名前 / ファイル | ライセンス | アクション | |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-09-21 | |||||
タイトル | ||||||
タイトル | Thermoelectric phase diagram in a CaTiO3- SrTiO3 - BaTiO3 system | |||||
著者 |
Yamamoto, Masahiro
× Yamamoto, Masahiro× Ohta, Hiromichi× Koumoto, Kunihito |
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権利 | ||||||
権利情報 | Copyright (2006) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. | |||||
抄録 | ||||||
内容記述 | Herein the authors propose a compositional thermoelectric phase diagram, which includes the density of states effective mass (md*d) carrier relaxation time (τ), and thermoelectric power factor (S2δ, where S and δ are Seebeck coefficient and electrical conductivity) for high-quality epitaxial films composed of 20%-Nb-doped CaTiO3–SrTiO3–BaTiO3 solid solutions [(Ca,Sr,Ba) ×(Ti0.8Nb0.2)O3]. The m*d values almost proportionally increase with the in-plane lattice parameter of (Ca,Sr,Ba)(Ti0.8Nb0.2)O3 epitaxial film, while the τ values drastically decrease when Ca and/or Ba are substituted for Sr in Sr(Ti0.8Nb0.2)O3, indicating that the Sr-site substitution negatively affects the thermoelectric performance of Nb-doped SrTiO3. | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
出版者 | American Institute of Physics | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
DOI | ||||||
関連識別子 | ||||||
識別子タイプ | DOI | |||||
関連識別子 | http://dx.doi.org/10.1063/1.2475878 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0003-6951 | |||||
書誌情報 |
APPLIED PHYSICS LETTERS 巻 90, 号 7, p. 072101-072101, 発行日 2007-02-12 |
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application/pdf | ||||||
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値 | publisher | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/8769 | |||||
識別子タイプ | HDL |