Materials Data on Tl2GeTe5 by Materials Project

doi:10.17188/1202726

Title: Materials Data on Tl2GeTe5 by Materials Project

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Abstract

Tl2GeTe5 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. there are two inequivalent Tl1+ sites. In the first Tl1+ site, Tl1+ is bonded in a 10-coordinate geometry to eight Te+0.80- atoms. There are four shorter (3.46 Å) and four longer (3.65 Å) Tl–Te bond lengths. In the second Tl1+ site, Tl1+ is bonded in a 8-coordinate geometry to eight Te+0.80- atoms. There are four shorter (3.61 Å) and four longer (3.93 Å) Tl–Te bond lengths. Ge2+ is bonded to four Te+0.80- atoms to form edge-sharing GeTe4 tetrahedra. There are two shorter (2.63 Å) and two longer (2.69 Å) Ge–Te bond lengths. There are four inequivalent Te+0.80- sites. In the first Te+0.80- site, Te+0.80- is bonded in a 6-coordinate geometry to four equivalent Tl1+ and two equivalent Te+0.80- atoms. Both Te–Te bond lengths are 2.96 Å. In the second Te+0.80- site, Te+0.80- is bonded in a 2-coordinate geometry to four equivalent Tl1+ and two equivalent Ge2+ atoms. In the third Te+0.80- site, Te+0.80- is bonded in a distorted rectangular see-saw-like geometry to four Te+0.80- atoms. Both Te–Te bond lengths are 3.14 Å. In the fourth Te+0.80- site, Te+0.80- is bonded in a 1-coordinate geometry to four Tl1+, onemore » Ge2+, and one Te+0.80- atom.« less

Authors:: The Materials Project

Publication Date:: 2020-05-02

Other Number(s):: mp-28639

DOE Contract Number:: AC02-05CH11231; EDCBEE

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)

Collaborations:: MIT; UC Berkeley; Duke; U Louvain

Subject:: 36 MATERIALS SCIENCE

Keywords:: crystal structure; Tl2GeTe5; Ge-Te-Tl

OSTI Identifier:: 1202726

DOI:: https://doi.org/10.17188/1202726

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                    The Materials Project. Materials Data on Tl2GeTe5 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1202726.

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                    The Materials Project. Materials Data on Tl2GeTe5 by Materials Project.  United States.  doi:https://doi.org/10.17188/1202726

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                    The Materials Project. 2020.  
"Materials Data on Tl2GeTe5 by Materials Project".  United States.  doi:https://doi.org/10.17188/1202726.  https://www.osti.gov/servlets/purl/1202726. Pub date:Sat May 02 00:00:00 EDT 2020

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@article{osti_1202726,

  title        = {Materials Data on Tl2GeTe5 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Tl2GeTe5 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. there are two inequivalent Tl1+ sites. In the first Tl1+ site, Tl1+ is bonded in a 10-coordinate geometry to eight Te+0.80- atoms. There are four shorter (3.46 Å) and four longer (3.65 Å) Tl–Te bond lengths. In the second Tl1+ site, Tl1+ is bonded in a 8-coordinate geometry to eight Te+0.80- atoms. There are four shorter (3.61 Å) and four longer (3.93 Å) Tl–Te bond lengths. Ge2+ is bonded to four Te+0.80- atoms to form edge-sharing GeTe4 tetrahedra. There are two shorter (2.63 Å) and two longer (2.69 Å) Ge–Te bond lengths. There are four inequivalent Te+0.80- sites. In the first Te+0.80- site, Te+0.80- is bonded in a 6-coordinate geometry to four equivalent Tl1+ and two equivalent Te+0.80- atoms. Both Te–Te bond lengths are 2.96 Å. In the second Te+0.80- site, Te+0.80- is bonded in a 2-coordinate geometry to four equivalent Tl1+ and two equivalent Ge2+ atoms. In the third Te+0.80- site, Te+0.80- is bonded in a distorted rectangular see-saw-like geometry to four Te+0.80- atoms. Both Te–Te bond lengths are 3.14 Å. In the fourth Te+0.80- site, Te+0.80- is bonded in a 1-coordinate geometry to four Tl1+, one Ge2+, and one Te+0.80- atom.},

  doi          = {10.17188/1202726},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {5}

}

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DOI: https://doi.org/10.17188/1202726

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