Nanoscale clusters in the high performance thermoelectric AgPbmSbTem+2

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-phase 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.

arXiv comment7 pages, 5 figures, 2 tables, submitted to PRB

References in corpus (3)

• Reversible thermoelectric nanomaterials
• Resonant States in the Electronic Structure of the High Performance Thermoelectrics AgPb${}_{m}SbTe$_{2+m}$ ; The Role of Ag-Sb Microstructures
• Charge ordering and self-assembled nanostructures in a fcc Coulomb lattice gas

Cited by in corpus (3)

• Theory of enhancement of thermoelectric properties of materials with nanoinclusions
• First-Principles Theory of Competing Order Types, Phase Separation, and Phonon Scattering in Thermoelectric Pb-Sb-Ag-Te Alloys
• Incoherent scattering can favorably influence energy filtering in nanostructured thermoelectrics