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ETDEWEB   /       /    Filled skutterudite antimonides: Validation of the electron-crystal phonon-glass approach to new thermoelectric materials

Filled skutterudite antimonides: Validation of the electron-crystal phonon-glass approach to new thermoelectric materials

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Abstract

After a brief review of the transport and thermoelectric properties of filled skutterudite antimonides, the authors present resonant ultrasound, specific heat, and inelastic neutron scattering results that establish the existence of two low-energy vibrational modes in the filled skutterudite LaFe{sub 3}CoSb{sub 12}. It is likely that at least one of these modes represents the localized, incoherent vibrations of the La ion in an oversized atomic cage. These results support the usefulness of weakly bound, rattling ions for the improvement of thermoelectric performance.
Authors:
Mandrus, D; Sales, B C; Keppens, V [1] 
  1. and others
Publication Date:
Jul 01, 1997
Product Type:
Conference
Reference Number:
EDB-00:007300
Resource Relation:
Conference: 1997 Materials Research Society Spring Meeting, San Francisco, CA (US), 03/31/1997--04/03/1997; Other Information: Single article reprints are available through University Microfilms Inc., 300 North Zeeb Road, Ann Arbor, Michigan 48106; PBD: 1997; Related Information: In: Thermoelectric materials -- New directions and approaches. Materials Research Society symposium proceedings, Volume 478, by Tritt, T.M.; Kanatzidis, M.G.; Lyon, H.B. Jr.; Mahan, G.D. [eds.], 359 pages.
Subject:
30 DIRECT ENERGY CONVERSION; 36 MATERIALS SCIENCE; THERMOELECTRIC MATERIALS; THERMOELECTRIC PROPERTIES; THERMAL CONDUCTIVITY; CRYSTAL STRUCTURE; SEMICONDUCTOR MATERIALS; ANTIMONY ALLOYS; LANTHANUM ALLOYS; IRON ALLOYS; COBALT ALLOYS; EXPERIMENTAL DATA
Sponsoring Organizations:
USDOE; National Science Foundation (NSF)
OSTI ID:
20014259
Research Organizations:
Oak Ridge National Lab., TN (US)
Country of Origin:
United States
Language:
English
Contract Number:
AC05-96OR22464; FG03-86ER45230
Other Identifying Numbers:
Other: ISBN 1-55899-382-7; TRN: IM200012%%187
Availability:
Materials Research Society, 506 Keystone Drive, Warrendale, PA 15086 (US); $71.00. Prices may become outdated.
Submitting Site:
DELTA
Size:
page(s) 199-209
Announcement Date:
Mar 22, 2000

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Citation Formats

Mandrus, D, Sales, B C, and Keppens, V. Filled skutterudite antimonides: Validation of the electron-crystal phonon-glass approach to new thermoelectric materials. United States: N. p., 1997. Web.
Mandrus, D, Sales, B C, & Keppens, V. Filled skutterudite antimonides: Validation of the electron-crystal phonon-glass approach to new thermoelectric materials. United States.
Mandrus, D, Sales, B C, and Keppens, V. 1997. "Filled skutterudite antimonides: Validation of the electron-crystal phonon-glass approach to new thermoelectric materials." United States.
@misc{etde_20014259,
title = {Filled skutterudite antimonides: Validation of the electron-crystal phonon-glass approach to new thermoelectric materials}
 author = {Mandrus, D, Sales, B C, and Keppens, V}
 abstractNote = {After a brief review of the transport and thermoelectric properties of filled skutterudite antimonides, the authors present resonant ultrasound, specific heat, and inelastic neutron scattering results that establish the existence of two low-energy vibrational modes in the filled skutterudite LaFe{sub 3}CoSb{sub 12}. It is likely that at least one of these modes represents the localized, incoherent vibrations of the La ion in an oversized atomic cage. These results support the usefulness of weakly bound, rattling ions for the improvement of thermoelectric performance.}
 place = {United States}
 year = {1997}
 month = {Jul}
 }