Materials Data on ErAgTe2 by Materials Project

doi:10.17188/1757701

Title: Materials Data on ErAgTe2 by Materials Project

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Abstract

ErAgTe2 crystallizes in the trigonal P3m1 space group. The structure is three-dimensional. Er3+ is bonded to six Te2- atoms to form ErTe6 octahedra that share corners with six equivalent AgTe4 tetrahedra, edges with six equivalent ErTe6 octahedra, and edges with three equivalent AgTe4 tetrahedra. There are three shorter (3.04 Å) and three longer (3.15 Å) Er–Te bond lengths. Ag1+ is bonded to four Te2- atoms to form AgTe4 tetrahedra that share corners with six equivalent ErTe6 octahedra, corners with six equivalent AgTe4 tetrahedra, and edges with three equivalent ErTe6 octahedra. The corner-sharing octahedra tilt angles range from 11–58°. There are one shorter (2.79 Å) and three longer (2.83 Å) Ag–Te bond lengths. There are two inequivalent Te2- sites. In the first Te2- site, Te2- is bonded to three equivalent Er3+ and one Ag1+ atom to form distorted TeEr3Ag trigonal pyramids that share corners with six equivalent TeEr3Ag3 octahedra, corners with six equivalent TeEr3Ag trigonal pyramids, and edges with three equivalent TeEr3Ag3 octahedra. The corner-sharing octahedra tilt angles range from 3–67°. In the second Te2- site, Te2- is bonded to three equivalent Er3+ and three equivalent Ag1+ atoms to form TeEr3Ag3 octahedra that share corners with six equivalent TeEr3Ag trigonal pyramids,more »« less

Authors:: The Materials Project

Publication Date:: Thu Sep 03 00:00:00 EDT 2020

Other Number(s):: mp-1225547

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; ErAgTe2; Ag-Er-Te

OSTI Identifier:: 1757701

DOI:: https://doi.org/10.17188/1757701

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                    The Materials Project. Materials Data on ErAgTe2 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1757701.

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                    The Materials Project. Materials Data on ErAgTe2 by Materials Project.  United States.  doi:https://doi.org/10.17188/1757701

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                    The Materials Project. 2020.  
"Materials Data on ErAgTe2 by Materials Project".  United States.  doi:https://doi.org/10.17188/1757701.  https://www.osti.gov/servlets/purl/1757701. Pub date:Thu Sep 03 00:00:00 EDT 2020

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@article{osti_1757701,

  title        = {Materials Data on ErAgTe2 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {ErAgTe2 crystallizes in the trigonal P3m1 space group. The structure is three-dimensional. Er3+ is bonded to six Te2- atoms to form ErTe6 octahedra that share corners with six equivalent AgTe4 tetrahedra, edges with six equivalent ErTe6 octahedra, and edges with three equivalent AgTe4 tetrahedra. There are three shorter (3.04 Å) and three longer (3.15 Å) Er–Te bond lengths. Ag1+ is bonded to four Te2- atoms to form AgTe4 tetrahedra that share corners with six equivalent ErTe6 octahedra, corners with six equivalent AgTe4 tetrahedra, and edges with three equivalent ErTe6 octahedra. The corner-sharing octahedra tilt angles range from 11–58°. There are one shorter (2.79 Å) and three longer (2.83 Å) Ag–Te bond lengths. There are two inequivalent Te2- sites. In the first Te2- site, Te2- is bonded to three equivalent Er3+ and one Ag1+ atom to form distorted TeEr3Ag trigonal pyramids that share corners with six equivalent TeEr3Ag3 octahedra, corners with six equivalent TeEr3Ag trigonal pyramids, and edges with three equivalent TeEr3Ag3 octahedra. The corner-sharing octahedra tilt angles range from 3–67°. In the second Te2- site, Te2- is bonded to three equivalent Er3+ and three equivalent Ag1+ atoms to form TeEr3Ag3 octahedra that share corners with six equivalent TeEr3Ag trigonal pyramids, edges with six equivalent TeEr3Ag3 octahedra, and edges with three equivalent TeEr3Ag trigonal pyramids.},

  doi          = {10.17188/1757701},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Thu Sep 03 00:00:00 EDT 2020},

  month        = {Thu Sep 03 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1757701

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