Phase segregation and thermoelectric properties of AgPb mSbTem+2 m=2, 4, 6, and 8

Joseph Sootsman; Robert Pcionek; Huijun Kong; Ctirad Uher; Mercouri G. Kanatzidis

Phase segregation and thermoelectric properties of AgPb _mSbTe_m+2 m=2, 4, 6, and 8

Joseph Sootsman, Robert Pcionek, Huijun Kong, Ctirad Uher, Mercouri G. Kanatzidis

Northwestern University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

5 Citations (Scopus)

Abstract

The preparation and characterization of the AgPb_mSbTe _m+2 family of compounds with m=2, 4, 6, and 8 is reported. Phase segregation was observed in all of these materials. The lattice thermal conductivity of these samples is low (<1.1 W/m-K). Powder x-ray diffraction, thermal analysis, and electron microscope investigations of these systems show that ideal solid solutions are not formed. The transport properties of these composite materials are presented and suggest that they could have promising thermoelectric properties when optimized.

Original language	English
Title of host publication	Materials Research Society Symposium Proceedings
Pages	293-298
Number of pages	6
Publication status	Published - May 8 2006
Event	2005 Materials Research Society Fall Meeting - Boston, MA, United States Duration: Nov 28 2005 → Dec 1 2005

Publication series

Name	Materials Research Society Symposium Proceedings
Volume	886
ISSN (Print)	0272-9172

Other

Other	2005 Materials Research Society Fall Meeting
Country	United States
City	Boston, MA
Period	11/28/05 → 12/1/05

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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Phase segregation and thermoelectric properties of AgPb _mSbTe_m+2 m=2, 4, 6, and 8. / Sootsman, Joseph; Pcionek, Robert; Kong, Huijun; Uher, Ctirad; Kanatzidis, Mercouri G.

Materials Research Society Symposium Proceedings. 2006. p. 293-298 (Materials Research Society Symposium Proceedings; Vol. 886).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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AB - The preparation and characterization of the AgPbmSbTe m+2 family of compounds with m=2, 4, 6, and 8 is reported. Phase segregation was observed in all of these materials. The lattice thermal conductivity of these samples is low (<1.1 W/m-K). Powder x-ray diffraction, thermal analysis, and electron microscope investigations of these systems show that ideal solid solutions are not formed. The transport properties of these composite materials are presented and suggest that they could have promising thermoelectric properties when optimized.

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