Cd13-xInySb10 (x ≈ 2.7, y ≈ 1.5): An interstitial-free variant of thermoelectric β-Zn4Sb3
2009 (English)In: Chemistry - A European Journal, ISSN 0947-6539, E-ISSN 1521-3765, Vol. 15, no 27, 6704-6710 p.Article in journal (Refereed) Published
Cd13-xInySb10 (x ≈ 2.7, y ≈ 1.5) was synthesized in the form of mm-sized crystals from reaction mixtures containing excess cadmium. The intermetallic compound crystallizes in the rhombohedral space group R-3m with a = 12.9704(4), c = 12.9443(5) Å, V = 1886.0(1), Z = 3 and is isostructural to thermoelectric β-Zn4Sb3 and β-Cd4Sb3. However, in contrast to the latter compounds Cd13-xInySb10 is free from interstitial atoms and does not display any temperature polymorphism. The electrical resistivity of Cd13-xInySb10 is considerably higher than that of Zn4Sb3 and Cd4Sb3 although the temperature behavior remains that of a metal. The thermal conductivity of Cd13-xInySb10 is low, with room temperature magnitudes around 0.8 Wm-1K-1, which is comparable to disordered or complex structured Cd4Sb3 and Zn4Sb3.
Place, publisher, year, edition, pages
Weinheim: Wiley-VCH , 2009. Vol. 15, no 27, 6704-6710 p.
Research subject Inorganic Chemistry
IdentifiersURN: urn:nbn:se:su:diva-42953DOI: 10.1002/chem.200802695ISI: 000267927500019OAI: oai:DiVA.org:su-42953DiVA: diva2:352411