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Enhancement of thermoelectric efficiency in solid solutions
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10.1063/1.3477959
/content/aip/journal/apl/97/5/10.1063/1.3477959
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/5/10.1063/1.3477959

Figures

Image of FIG. 1.
FIG. 1.

Temperature dependence of resistivity for the solid solutions. The inset shows the room-temperature resistivity and the relative bandwidth as a function of Yb content.

Image of FIG. 2.
FIG. 2.

Temperature dependence of thermopower for the . The inset shows the temperature dependence of specific heat plotted as vs .

Image of FIG. 3.
FIG. 3.

(a) Temperature dependence of thermal conductivity for the pure and ; the inset shows a magnification of for the solid solutions at elevated temperatures. (b) Variation in the phonon thermal resistivity of the solid solutions at 300 K. The black squares are the experimental values. The solid line is the calculated from point defect scattering theory while the dashed line shows the increment of from to ; the difference between the solid and dashed lines represents the enhanced due to the formation of Dy–Yb solid solutions.

Tables

Generic image for table
Table I.

Average -site ionic radius , tolerance factor , effective bandwidth , and at 1000 K for the .

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/content/aip/journal/apl/97/5/10.1063/1.3477959
2010-08-06
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhancement of thermoelectric efficiency in (Ca,Dy)MnO3–(Ca,Yb)MnO3 solid solutions
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/5/10.1063/1.3477959
10.1063/1.3477959
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