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Size-dependent thermal conductivity of individual single-crystalline PbTe nanowires
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10.1063/1.3352049
/content/aip/journal/apl/96/10/10.1063/1.3352049
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/10/10.1063/1.3352049
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Figures

Image of FIG. 1.
FIG. 1.

(a) A SEM image of PbTe nanowires grown by the CVT method. (b) A high-resolution TEM image of a single-crystalline PbTe nanowire. The inset shows a SAED pattern for this PbTe nanowire.

Image of FIG. 2.
FIG. 2.

A SEM image of an individual PbTe nanowire placed on the suspended microdevice. Pt/C thermal contact was deposited locally using a dual-beam FIB to prevent thermal resistance build-up between the PbTe nanowire and membranes (inset).

Image of FIG. 3.
FIG. 3.

(a) A SEM image of an individual PbTe nanowire on the membranes after formation of the second thermal contacts. (b) Measured thermal conductivities for a PbTe nanowire with before and after formation of the second thermal contacts. The maximum difference in thermal conductivities was 0.4 W/mK at 110 K (inset).

Image of FIG. 4.
FIG. 4.

The measured thermal conductivities of individual single-crystalline PbTe nanowires with , 277, and 436 nm. The inset shows the diameter dependencies of thermal conductivity at temperatures of 50, 120, 180, and 300 K.

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/content/aip/journal/apl/96/10/10.1063/1.3352049
2010-03-08
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Size-dependent thermal conductivity of individual single-crystalline PbTe nanowires
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/10/10.1063/1.3352049
10.1063/1.3352049
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