Materials Data on ErAgSe2 by Materials Project

doi:10.17188/1207790

Title: Materials Data on ErAgSe2 by Materials Project

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Abstract

AgErSe2 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. Er3+ is bonded to six Se2- atoms to form ErSe6 octahedra that share corners with four equivalent ErSe6 octahedra, corners with six equivalent AgSe4 trigonal pyramids, edges with four equivalent ErSe6 octahedra, and edges with three equivalent AgSe4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 43–52°. There are a spread of Er–Se bond distances ranging from 2.84–2.89 Å. Ag1+ is bonded to four Se2- atoms to form distorted AgSe4 trigonal pyramids that share corners with six equivalent ErSe6 octahedra, corners with four equivalent AgSe4 trigonal pyramids, and edges with three equivalent ErSe6 octahedra. The corner-sharing octahedra tilt angles range from 28–69°. There are a spread of Ag–Se bond distances ranging from 2.71–2.76 Å. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded to three equivalent Er3+ and two equivalent Ag1+ atoms to form a mixture of distorted corner and edge-sharing SeEr3Ag2 trigonal bipyramids. In the second Se2- site, Se2- is bonded to three equivalent Er3+ and two equivalent Ag1+ atoms to form a mixture of distorted corner and edge-sharing SeEr3Ag2 trigonal bipyramids.

Authors:: The Materials Project

Publication Date:: Tue Jul 14 00:00:00 EDT 2020

Other Number(s):: mp-4044

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; ErAgSe2; Ag-Er-Se

OSTI Identifier:: 1207790

DOI:: https://doi.org/10.17188/1207790

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                    The Materials Project. Materials Data on ErAgSe2 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1207790.

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                    The Materials Project. Materials Data on ErAgSe2 by Materials Project.  United States.  doi:https://doi.org/10.17188/1207790

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                    The Materials Project. 2020.  
"Materials Data on ErAgSe2 by Materials Project".  United States.  doi:https://doi.org/10.17188/1207790.  https://www.osti.gov/servlets/purl/1207790. Pub date:Tue Jul 14 00:00:00 EDT 2020

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@article{osti_1207790,

  title        = {Materials Data on ErAgSe2 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {AgErSe2 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. Er3+ is bonded to six Se2- atoms to form ErSe6 octahedra that share corners with four equivalent ErSe6 octahedra, corners with six equivalent AgSe4 trigonal pyramids, edges with four equivalent ErSe6 octahedra, and edges with three equivalent AgSe4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 43–52°. There are a spread of Er–Se bond distances ranging from 2.84–2.89 Å. Ag1+ is bonded to four Se2- atoms to form distorted AgSe4 trigonal pyramids that share corners with six equivalent ErSe6 octahedra, corners with four equivalent AgSe4 trigonal pyramids, and edges with three equivalent ErSe6 octahedra. The corner-sharing octahedra tilt angles range from 28–69°. There are a spread of Ag–Se bond distances ranging from 2.71–2.76 Å. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded to three equivalent Er3+ and two equivalent Ag1+ atoms to form a mixture of distorted corner and edge-sharing SeEr3Ag2 trigonal bipyramids. In the second Se2- site, Se2- is bonded to three equivalent Er3+ and two equivalent Ag1+ atoms to form a mixture of distorted corner and edge-sharing SeEr3Ag2 trigonal bipyramids.},

  doi          = {10.17188/1207790},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Jul 14 00:00:00 EDT 2020},

  month        = {Tue Jul 14 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1207790

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