Abstract

Cd13-x;In7Sb10 (x≈2.7, Y≈ 1.5) was synthesized in the form of millsized crystals from reaction mixtures containing excess cadmium. The intermetallic compound crystallizes in the rhombohedral space group R3m with α = 12.9704(4), c= 12.9443(5) Å, V= 1886.0(1) Å3, Z=3 and is isostructural to thermoelectric ß-Zn 4Sb3 and ßCd4Sb3. However, in contrast to these last two compounds Cd13-xInySb 10 is free from interstitial atoms and does not display any temperature polymorphism. The electrical resistivity of Cd13-xIn ySb10 is considerably higher than that of Zn 4Sb3 and Cd4Sb3 although the temperature behavior remains that of a metal. The thermal conductivity of Cd13-xInySb10 is low, with room-temperature magnitudes around 0.8Wm-1K-1, which is comparable to disordered or complex structured Cd4Sb3 and Zn 4Sb3.

Original languageEnglish (US)
Pages (from-to)6704-6710
Number of pages7
JournalChemistry - A European Journal
Volume15
Issue number27
DOIs
StatePublished - Jul 6 2009

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Polymorphism
Cadmium
Temperature
Intermetallics
Thermal conductivity
Metals
Atoms
Crystals

Keywords

  • Antimony
  • Cadmium
  • Heterometallic complexes
  • Indium semiconductors
  • Thermoelectrics

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Cd13-xinySb10 (x≈ 2.7, y≈1.5) : An interstitial-free variant of thermoelectric ß-Zn 4Sb3. / Tengå, Andreas; Lidin, Sven; Belieres, Jean Philippe; Newman, Nathan; Wu, Yang; Häussermann, Ulrich.

In: Chemistry - A European Journal, Vol. 15, No. 27, 06.07.2009, p. 6704-6710.

Research output: Contribution to journalArticle

Tengå, Andreas ; Lidin, Sven ; Belieres, Jean Philippe ; Newman, Nathan ; Wu, Yang ; Häussermann, Ulrich. / Cd13-xinySb10 (x≈ 2.7, y≈1.5) : An interstitial-free variant of thermoelectric ß-Zn 4Sb3. In: Chemistry - A European Journal. 2009 ; Vol. 15, No. 27. pp. 6704-6710.
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N2 - Cd13-x;In7Sb10 (x≈2.7, Y≈ 1.5) was synthesized in the form of millsized crystals from reaction mixtures containing excess cadmium. The intermetallic compound crystallizes in the rhombohedral space group R3m with α = 12.9704(4), c= 12.9443(5) Å, V= 1886.0(1) Å3, Z=3 and is isostructural to thermoelectric ß-Zn 4Sb3 and ßCd4Sb3. However, in contrast to these last two compounds Cd13-xInySb 10 is free from interstitial atoms and does not display any temperature polymorphism. The electrical resistivity of Cd13-xIn ySb10 is considerably higher than that of Zn 4Sb3 and Cd4Sb3 although the temperature behavior remains that of a metal. The thermal conductivity of Cd13-xInySb10 is low, with room-temperature magnitudes around 0.8Wm-1K-1, which is comparable to disordered or complex structured Cd4Sb3 and Zn 4Sb3.

AB - Cd13-x;In7Sb10 (x≈2.7, Y≈ 1.5) was synthesized in the form of millsized crystals from reaction mixtures containing excess cadmium. The intermetallic compound crystallizes in the rhombohedral space group R3m with α = 12.9704(4), c= 12.9443(5) Å, V= 1886.0(1) Å3, Z=3 and is isostructural to thermoelectric ß-Zn 4Sb3 and ßCd4Sb3. However, in contrast to these last two compounds Cd13-xInySb 10 is free from interstitial atoms and does not display any temperature polymorphism. The electrical resistivity of Cd13-xIn ySb10 is considerably higher than that of Zn 4Sb3 and Cd4Sb3 although the temperature behavior remains that of a metal. The thermal conductivity of Cd13-xInySb10 is low, with room-temperature magnitudes around 0.8Wm-1K-1, which is comparable to disordered or complex structured Cd4Sb3 and Zn 4Sb3.

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