SOLID STAE REACTION SYNTHESIS OF SKUTTERUDITE COMPOUNDS FexCo4-xSb12 AND THERMOELECTRIC PROPERTIES | Zendy

Xinfeng Tang | Zendy; Lidong Chen | Zendy; Goto Takashi | Zendy; Hirai Toshio | Zendy; Yuan Run-zhang | Zendy

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SOLID STAE REACTION SYNTHESIS OF SKUTTERUDITE COMPOUNDS FexCo4-xSb12 AND THERMOELECTRIC PROPERTIES

Author(s) -

Xinfeng Tang,

Lidong Chen,

Goto Takashi,

Hirai Toshio,

Yuan Run-zhang

Publication year - 2000

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.49.1120

Subject(s) - skutterudite , seebeck coefficient , thermoelectric effect , materials science , electrical resistivity and conductivity , thermoelectric materials , lattice constant , solid state , analytical chemistry (journal) , thermodynamics , condensed matter physics , chemistry , organic chemistry , physics , diffraction , optics , quantum mechanics

Skutterudite compounds FexCo4-xSb12 were synthesizedby solid state reaction using high-purity powders of Co,Fe,and Sb as starting materials.FexCo4-xSb12(x0—10) compounds were obtained at 900—1000K.The lattice constant of FexCo4-xSb12 increased with increasing substitution of Fe for Co sites.Carrier concentration and electrical conductivity increased with increasing Fe content.Seebeck coefficient decreased and Topt of Seebeck coefficient shifted to higher temperature with increasing Fe content.Lattice conductivity was reduced significantly by substitution of Fe for Co sites.The maximum ZT value of 05 was obtained for Fe0.92Co3.08Sb12 at 750K.

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