Materials Data on Sb2Te3 by Materials Project
Sb2Te3 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Sb3+ is bonded in a linear geometry to two Te2- atoms. There are one shorter (2.90 Å) and one longer (3.17 Å) Sb–Te bond lengths. There are two inequivalent Te2- sites. In the first Te2- site, Te2- is bonded to two equivalent Sb3+ and six equivalent Te2- atoms to form a mixture of edge and corner-sharing TeSb2Te6 hexagonal bipyramids. All Te–Te bond lengths are 3.39 Å. In the second Te2- site, Te2- is bonded to one Sb3+ and seven equivalent Te2- atoms to form distorted TeSbTe7 hexagonal bipyramids that share corners with seven TeSb2Te6 hexagonal bipyramids and edges with eighteen equivalent TeSbTe7 hexagonal bipyramids. There are six shorter (3.39 Å) and one longer (3.48 Å) Te–Te bond lengths.
- Research Organization:
- LBNL Materials Project; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Contributing Organization:
- The Materials Project; MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231
- OSTI ID:
- 1654491
- Report Number(s):
- mp-1172848
- Country of Publication:
- United States
- Language:
- English
Microstructural refinement of cast p-type Bi2Te3–Sb2Te3 by equal channel angular extrusion
|
journal | January 2004 |
Formation of Sb2Te3 Widmanstätten precipitates in thermoelectric PbTe
|
journal | February 2009 |
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