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Title: Thermoelectric material development. Quarterly technical progress report, January 1, 1995--March 31, 1995

Abstract

We have found that there is a limited range of solid solutions between the skutterudite compounds CoSb{sub 3} and RuSb{sub 2}Te (about 5% on each side). For the system (RuSb{sub 2}Te){sub x}(CoSb{sub 3}){sub 1-x}, preliminary results obtained on one n-type sample on the CoSb{sub 3}-rich side show that these alloys have good thermoelectric properties and a maximum ZT of about 0.89 was obtained at about 600 C. More experiments will be started to investigate the possibility of a broader range of miscibility in this system which would allow an even further decrease in the lattice thermal conductivity, resulting in better thermoelectric properties. IrSb{sub 3} and RuSb{sub 2}Te form a complete range of solid solutions. Hot-pressed samples in this system have shown p-type conductivity. The thermoelectric properties of these p-type alloys have been measured and results have shown that their potential for thermoelectric applications is limited mainly because of the relatively low Seebeck coefficient values for p-type materials. Efforts will be directed on preparing n-type samples of the same alloys by doping with various dopants such as Ni and Pd.

Authors:
;
Publication Date:
Research Org.:
California Institute of Technology (CalTech), Pasadena, CA (United States). Jet Propulsion Lab. (JPL)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
85045
Report Number(s):
DOE/SF/17905-T10
ON: DE95014298
DOE Contract Number:  
AI03-89SF17905
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: [1995]
Country of Publication:
United States
Language:
English
Subject:
30 DIRECT ENERGY CONVERSION; 36 MATERIALS SCIENCE; THERMOELECTRIC MATERIALS; RESEARCH PROGRAMS; IRIDIUM ALLOYS; THERMOELECTRIC PROPERTIES; ANTIMONY ALLOYS; COBALT ALLOYS; RUTHENIUM TELLURIDES; ANTIMONY TELLURIDES; PROGRESS REPORT; INTERMETALLIC COMPOUNDS

Citation Formats

Vandersande, J W, and Caillat, T. Thermoelectric material development. Quarterly technical progress report, January 1, 1995--March 31, 1995. United States: N. p., 1995. Web. doi:10.2172/85045.
Vandersande, J W, & Caillat, T. Thermoelectric material development. Quarterly technical progress report, January 1, 1995--March 31, 1995. United States. https://doi.org/10.2172/85045
Vandersande, J W, and Caillat, T. 1995. "Thermoelectric material development. Quarterly technical progress report, January 1, 1995--March 31, 1995". United States. https://doi.org/10.2172/85045. https://www.osti.gov/servlets/purl/85045.
@article{osti_85045,
title = {Thermoelectric material development. Quarterly technical progress report, January 1, 1995--March 31, 1995},
author = {Vandersande, J W and Caillat, T},
abstractNote = {We have found that there is a limited range of solid solutions between the skutterudite compounds CoSb{sub 3} and RuSb{sub 2}Te (about 5% on each side). For the system (RuSb{sub 2}Te){sub x}(CoSb{sub 3}){sub 1-x}, preliminary results obtained on one n-type sample on the CoSb{sub 3}-rich side show that these alloys have good thermoelectric properties and a maximum ZT of about 0.89 was obtained at about 600 C. More experiments will be started to investigate the possibility of a broader range of miscibility in this system which would allow an even further decrease in the lattice thermal conductivity, resulting in better thermoelectric properties. IrSb{sub 3} and RuSb{sub 2}Te form a complete range of solid solutions. Hot-pressed samples in this system have shown p-type conductivity. The thermoelectric properties of these p-type alloys have been measured and results have shown that their potential for thermoelectric applications is limited mainly because of the relatively low Seebeck coefficient values for p-type materials. Efforts will be directed on preparing n-type samples of the same alloys by doping with various dopants such as Ni and Pd.},
doi = {10.2172/85045},
url = {https://www.osti.gov/biblio/85045}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Jul 01 00:00:00 EDT 1995},
month = {Sat Jul 01 00:00:00 EDT 1995}
}