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Applied Physics Letters / Volume 96 / Issue 18 / STRUCTURAL, MECHANICAL, THERMODYNAMIC, AND OPTICAL PROPERTIES OF CONDENSED MATTER

Appl. Phys. Lett. 96, 181905 (2010); http://dx.doi.org/10.1063/1.3425886 (3 pages)

Structural effects on the lattice thermal conductivity of ternary antimony- and bismuth-containing chalcogenide semiconductors

Eric J. Skoug, Jeffrey D. Cain, and Donald T. Morelli

Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, Michigan 48824, USA

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(Received 4 January 2010; accepted 15 April 2010; published online 6 May 2010)

The lattice thermal conductivities Cu3SbSe4 and Cu3SbSe3 have been measured. While the former compound exhibits classical behavior, the lattice thermal conductivity of Cu3SbSe3 is anomalously low. We speculate that, similar to the case of AgSbTe2, the low thermal conductivity in Cu3SbSe3 has its origin in strong anharmonicity induced by the presence of the two additional nonbonding electrons in the valence shell of the Sb3+ ions. Anomalously low thermal conductivity is also demonstrated in compounds in which Bi occurs in the trivalent state. The results have implications in the design of thermoelectric semiconductors with intrinsically low thermal conductivity.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

antimony compounds, chalcogenide glasses, copper compounds, ternary semiconductors, thermal conductivity, thermoelectricity

PACS

  • 72.20.Pa

    Thermoelectric and thermomagnetic effects

  • 66.70.-f

    Nonelectronic thermal conduction and heat-pulse propagation in solids; thermal waves

  • 65.60.+a

    Thermal properties of amorphous solids and glasses: heat capacity, thermal expansion, etc.

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3425886

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
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    J. P. Reifenberg, M. A. Panzer, S. Kim, A. M. Gibby, Y. Zhang, S. Wong, H. -S. P. Wong, E. Pop, and K. E. Goodson, Appl. Phys. Lett. 91, 111904 (2007)APPLAB000091000011111904000001.

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