M{sub 3}Ni{sub 3}Sb{sub 4} (M = Zr, Hf) and Zr{sub 3}Pt{sub 3}Sb{sub 4}. Ternary antimonides with the Y{sub 3}Au{sub 3}Sb{sub 4} structure
- Univ. of Alberta, Edmonton, Alberta (Canada). Dept. of Chemistry
Although Y{sub 3}Au{sub 3}Sb{sub 4} was identified more than two decades ago, its claim to fame lies in serving as the structure type adopted by many ternary pnictides M{sub 3}M{prime}{sub 3}Pn{sub 4} (Pn = As, Sb, Bi) and a few stannides M{sub 3}M{prime}{sub 3}Sn{sub 4} which have been the object of recent intense scrutiny because of their interesting electronic properties. The known compounds in this family generally consist of M = f-element and M{prime} = late transition metal (groups 9--11): U{sub 3}M{prime}{sub 3}Sb{sub 4} (M{prime} = Co, Rh, Ir), U{sub 3}Ni{sub 3{minus}x}As{sub 4}, M{sub 3}Ni{sub 3}Sb{sub 4} (M = U, Th), M{sub 3}Ni{sub 3}Sn{sub 4} (M = U, Th), U{sub 3}Pd{sub 3}Sb{sub 4}, M{sub 3}Pt{sub 3}Sb{sub 4} (M = Ce-Nd, U), M{sub 3}Pt{sub 3}Bi{sub 4} (M = La, Ce), U{sub 3}Pt{sub 3}Sn{sub 4}, M{sub 3}Cu{sub 3}Sb{sub 4} (M = Y, La-Nd, Sm, Gd-Er, U), U{sub 3}Cu{sub 3}Sn{sub 4}, M{sub 3}Au{sub 3}Sb{sub 4} (M = Y, La-Nd, Sm, Gd-Lu), and U{sub 3}Au{sub 3}Sn{sub 4}. Since doping is a common strategy for modifying electronic properties, the occurrence of isostructural compounds expands the range in which this is possible. The authors report here the preparation of Zr{sub 3}Ni{sub 3}Sb{sub 4}, Hf{sub 3}Ni{sub 3}Sb{sub 4}, and Zr{sub 3}Pt{sub 3}Sb{sub 4}, which represent the first members of this structural family that do not contain an f-element or Y for the M component.
- OSTI ID:
- 677948
- Journal Information:
- Inorganic Chemistry, Journal Name: Inorganic Chemistry Journal Issue: 14 Vol. 38; ISSN 0020-1669; ISSN INOCAJ
- Country of Publication:
- United States
- Language:
- English
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