Nanoscale clusters in the high performance thermoelectric AgPbmSbTem+2

H. Lin, E. S. Boin, S. J.L. Billinge, Eric Quarez, M. G. Kanatzidis

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Abstract

The local structure of the AgPbmSbTem+2 series of thermoelectric materials has been studied using the atomic pair distribution function (PDF) method. Three candidate-models were attempted for the structure of this class of materials using either a one- or a two-phase modeling procedure. Combining modeling the PDF with HRTEM data we show that AgPbmSbTem+2 contains nanoscale inclusions with composition close to AgPb3SbTe5 randomly embedded in a PbTe matrix.

Original languageEnglish
Article number174113
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume72
Issue number17
DOIs
Publication statusPublished - Nov 1 2005

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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