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Enhancement of Seebeck coefficient for by Sm substitution: Crystal symmetry restoration of distorted octahedra
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10.1063/1.2820447
/content/aip/journal/apl/91/24/10.1063/1.2820447
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/24/10.1063/1.2820447
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Schematic illustrations of (a) the crystal structure and (b) the distorted octahedra, with a bond angle O(3)–Ti–O(3) of in the slab.

Image of FIG. 2.
FIG. 2.

(Color online) Temperature dependence of (a) electrical conductivity (the inset shows plots of the variation of carrier concentration and Hall mobility ), (b) Seebeck coefficient , and (c) carrier DOS effective mass for -Sm-doped (SSSTO). The data for -Nb-doped (SSTNO) are taken from Ref. 5 for comparison. The dashed line in (c) indicates the assumed scattering factor , decreasing linearly with temperature from at to at and remaining at above (see Ref. 3).

Image of FIG. 3.
FIG. 3.

(Color online) Variation of the O(3)–Ti–O(3) bond angle in the (100) with temperature for SSSTO. The data for nondoped were taken from Ref. 9 for comparison. The dashed lines were added as guides for the eye.

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/content/aip/journal/apl/91/24/10.1063/1.2820447
2007-12-10
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhancement of Seebeck coefficient for SrO(SrTiO3)2 by Sm substitution: Crystal symmetry restoration of distorted TiO6 octahedra
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/24/10.1063/1.2820447
10.1063/1.2820447
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