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Title: Materials Data on Sb2Te4Pb by Materials Project

Abstract

PbSb2Te4 is MAX Phase-like structured and crystallizes in the trigonal R-3m space group. The structure is two-dimensional and consists of three PbSb2Te4 sheets oriented in the (0, 0, 1) direction. Pb2+ is bonded to six equivalent Te2- atoms to form PbTe6 octahedra that share corners with six equivalent SbTe6 octahedra, edges with six equivalent PbTe6 octahedra, and edges with six equivalent SbTe6 octahedra. The corner-sharing octahedral tilt angles are 1°. All Pb–Te bond lengths are 3.25 Å. Sb3+ is bonded to six Te2- atoms to form SbTe6 octahedra that share corners with three equivalent PbTe6 octahedra, edges with three equivalent PbTe6 octahedra, and edges with six equivalent SbTe6 octahedra. The corner-sharing octahedral tilt angles are 1°. There are three shorter (3.04 Å) and three longer (3.21 Å) Sb–Te bond lengths. There are two inequivalent Te2- sites. In the first Te2- site, Te2- is bonded to three equivalent Pb2+ and three equivalent Sb3+ atoms to form a mixture of edge and corner-sharing TeSb3Pb3 octahedra. The corner-sharing octahedral tilt angles are 0°. In the second Te2- site, Te2- is bonded in a 6-coordinate geometry to three equivalent Sb3+ atoms.

Publication Date:
Other Number(s):
mp-31507
DOE Contract Number:  
AC02-05CH11231; EDCBEE
Product Type:
Dataset
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). LBNL Materials Project
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Subject:
36 MATERIALS SCIENCE
Keywords:
crystal structure; Sb2Te4Pb; Pb-Sb-Te
OSTI Identifier:
1205714
DOI:
10.17188/1205714

Citation Formats

The Materials Project. Materials Data on Sb2Te4Pb by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1205714.
The Materials Project. Materials Data on Sb2Te4Pb by Materials Project. United States. doi:10.17188/1205714.
The Materials Project. 2020. "Materials Data on Sb2Te4Pb by Materials Project". United States. doi:10.17188/1205714. https://www.osti.gov/servlets/purl/1205714. Pub date:Thu Jul 16 00:00:00 EDT 2020
@article{osti_1205714,
title = {Materials Data on Sb2Te4Pb by Materials Project},
author = {The Materials Project},
abstractNote = {PbSb2Te4 is MAX Phase-like structured and crystallizes in the trigonal R-3m space group. The structure is two-dimensional and consists of three PbSb2Te4 sheets oriented in the (0, 0, 1) direction. Pb2+ is bonded to six equivalent Te2- atoms to form PbTe6 octahedra that share corners with six equivalent SbTe6 octahedra, edges with six equivalent PbTe6 octahedra, and edges with six equivalent SbTe6 octahedra. The corner-sharing octahedral tilt angles are 1°. All Pb–Te bond lengths are 3.25 Å. Sb3+ is bonded to six Te2- atoms to form SbTe6 octahedra that share corners with three equivalent PbTe6 octahedra, edges with three equivalent PbTe6 octahedra, and edges with six equivalent SbTe6 octahedra. The corner-sharing octahedral tilt angles are 1°. There are three shorter (3.04 Å) and three longer (3.21 Å) Sb–Te bond lengths. There are two inequivalent Te2- sites. In the first Te2- site, Te2- is bonded to three equivalent Pb2+ and three equivalent Sb3+ atoms to form a mixture of edge and corner-sharing TeSb3Pb3 octahedra. The corner-sharing octahedral tilt angles are 0°. In the second Te2- site, Te2- is bonded in a 6-coordinate geometry to three equivalent Sb3+ atoms.},
doi = {10.17188/1205714},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {7}
}

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