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High figures of merit and natural nanostructures in based thermoelectric materials
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10.1063/1.2981516
/content/aip/journal/apl/93/10/10.1063/1.2981516
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/10/10.1063/1.2981516
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Figures

Image of FIG. 1.
FIG. 1.

XRD patterns of hot-pressed samples. The (111) and (220) peak positions for pure and were indicated by dotted lines. The inset shows the variation in lattice parameter of with increasing content of Sb. Trace of MgO is indicated by the symbol of circle.

Image of FIG. 2.
FIG. 2.

Temperature dependences of (a) the electrical conductivity , (b) the Seebeck coefficient , (c) the thermal conductivity , and (d) the lattice thermal conductivity for .

Image of FIG. 3.
FIG. 3.

Temperature dependences of dimensionless figure of merit for .

Image of FIG. 4.
FIG. 4.

TEM images of with different natural nanostructures: (a) different natural nanostructures in the hot-pressed sample. Region A shows compositional fluctuation. Region B is the structural modulation with the feature size of , which is magnified in (b). Region C shows the nanodots of embedded in the matrix, which is magnified in (c) and (d). The inset in (c) is the SAED pattern.

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/content/aip/journal/apl/93/10/10.1063/1.2981516
2008-09-10
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High figures of merit and natural nanostructures in Mg2Si0.4Sn0.6 based thermoelectric materials
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/10/10.1063/1.2981516
10.1063/1.2981516
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