Materials Data on ErAgSe2 by Materials Project

doi:10.17188/1675652

Title: Materials Data on ErAgSe2 by Materials Project

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Abstract

AgErSe2 is Caswellsilverite-like structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Er3+ is bonded to six Se2- atoms to form ErSe6 octahedra that share corners with six equivalent ErSe6 octahedra, edges with four equivalent ErSe6 octahedra, and edges with eight equivalent AgSe6 octahedra. The corner-sharing octahedral tilt angles are 0°. There are two shorter (2.84 Å) and four longer (2.89 Å) Er–Se bond lengths. Ag1+ is bonded to six Se2- atoms to form AgSe6 octahedra that share corners with six equivalent AgSe6 octahedra, edges with four equivalent AgSe6 octahedra, and edges with eight equivalent ErSe6 octahedra. The corner-sharing octahedral tilt angles are 0°. There are two shorter (2.84 Å) and four longer (2.89 Å) Ag–Se bond lengths. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded to four equivalent Er3+ and two equivalent Ag1+ atoms to form a mixture of corner and edge-sharing SeEr4Ag2 octahedra. The corner-sharing octahedral tilt angles are 0°. In the second Se2- site, Se2- is bonded to two equivalent Er3+ and four equivalent Ag1+ atoms to form SeEr2Ag4 octahedra that share corners with six equivalent SeEr2Ag4 octahedra and edges with twelve SeEr4Ag2 octahedra. The corner-sharing octahedralmore » tilt angles are 0°.« less

Authors:: The Materials Project

Publication Date:: 2020-05-03

Other Number(s):: mp-1225486

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:: 1675652

DOI:: https://doi.org/10.17188/1675652

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                    The Materials Project. Materials Data on ErAgSe2 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1675652.

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                    The Materials Project. Materials Data on ErAgSe2 by Materials Project.  United States.  doi:https://doi.org/10.17188/1675652

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                    The Materials Project. 2020.  
"Materials Data on ErAgSe2 by Materials Project".  United States.  doi:https://doi.org/10.17188/1675652.  https://www.osti.gov/servlets/purl/1675652. Pub date:Sun May 03 00:00:00 EDT 2020

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@article{osti_1675652,

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

  author       = {The Materials Project},

  abstractNote = {AgErSe2 is Caswellsilverite-like structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Er3+ is bonded to six Se2- atoms to form ErSe6 octahedra that share corners with six equivalent ErSe6 octahedra, edges with four equivalent ErSe6 octahedra, and edges with eight equivalent AgSe6 octahedra. The corner-sharing octahedral tilt angles are 0°. There are two shorter (2.84 Å) and four longer (2.89 Å) Er–Se bond lengths. Ag1+ is bonded to six Se2- atoms to form AgSe6 octahedra that share corners with six equivalent AgSe6 octahedra, edges with four equivalent AgSe6 octahedra, and edges with eight equivalent ErSe6 octahedra. The corner-sharing octahedral tilt angles are 0°. There are two shorter (2.84 Å) and four longer (2.89 Å) Ag–Se bond lengths. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded to four equivalent Er3+ and two equivalent Ag1+ atoms to form a mixture of corner and edge-sharing SeEr4Ag2 octahedra. The corner-sharing octahedral tilt angles are 0°. In the second Se2- site, Se2- is bonded to two equivalent Er3+ and four equivalent Ag1+ atoms to form SeEr2Ag4 octahedra that share corners with six equivalent SeEr2Ag4 octahedra and edges with twelve SeEr4Ag2 octahedra. The corner-sharing octahedral tilt angles are 0°.},

  doi          = {10.17188/1675652},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {5}

}

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DOI: https://doi.org/10.17188/1675652

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