Materials Data on TmMg3 by Materials Project

doi:10.17188/1313669

Title: Materials Data on TmMg3 by Materials Project

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Abstract

Mg3Tm is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Mg sites. In the first Mg site, Mg is bonded to eight Mg and four equivalent Tm atoms to form MgTm4Mg8 cuboctahedra that share corners with four equivalent TmMg12 cuboctahedra, corners with fourteen MgTm4Mg8 cuboctahedra, edges with six equivalent TmMg12 cuboctahedra, edges with twelve MgTm4Mg8 cuboctahedra, faces with four equivalent TmMg12 cuboctahedra, and faces with sixteen MgTm4Mg8 cuboctahedra. There are a spread of Mg–Mg bond distances ranging from 3.20–3.37 Å. There are two shorter (3.24 Å) and two longer (3.31 Å) Mg–Tm bond lengths. In the second Mg site, Mg is bonded to eight equivalent Mg and four equivalent Tm atoms to form MgTm4Mg8 cuboctahedra that share corners with four equivalent TmMg12 cuboctahedra, corners with fourteen MgTm4Mg8 cuboctahedra, edges with six equivalent TmMg12 cuboctahedra, edges with twelve equivalent MgTm4Mg8 cuboctahedra, faces with four equivalent TmMg12 cuboctahedra, and faces with sixteen MgTm4Mg8 cuboctahedra. There are two shorter (3.24 Å) and two longer (3.31 Å) Mg–Tm bond lengths. Tm is bonded to twelve Mg atoms to form TmMg12 cuboctahedra that share corners with six equivalent TmMg12 cuboctahedra, corners with twelve MgTm4Mg8more »« less

Authors:: The Materials Project

Publication Date:: 2020-05-02

Other Number(s):: mp-971920

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; TmMg3; Mg-Tm

OSTI Identifier:: 1313669

DOI:: https://doi.org/10.17188/1313669

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                    The Materials Project. Materials Data on TmMg3 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1313669.

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                    The Materials Project. Materials Data on TmMg3 by Materials Project.  United States.  doi:https://doi.org/10.17188/1313669

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                    The Materials Project. 2020.  
"Materials Data on TmMg3 by Materials Project".  United States.  doi:https://doi.org/10.17188/1313669.  https://www.osti.gov/servlets/purl/1313669. Pub date:Sat May 02 00:00:00 EDT 2020

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@article{osti_1313669,

  title        = {Materials Data on TmMg3 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Mg3Tm is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Mg sites. In the first Mg site, Mg is bonded to eight Mg and four equivalent Tm atoms to form MgTm4Mg8 cuboctahedra that share corners with four equivalent TmMg12 cuboctahedra, corners with fourteen MgTm4Mg8 cuboctahedra, edges with six equivalent TmMg12 cuboctahedra, edges with twelve MgTm4Mg8 cuboctahedra, faces with four equivalent TmMg12 cuboctahedra, and faces with sixteen MgTm4Mg8 cuboctahedra. There are a spread of Mg–Mg bond distances ranging from 3.20–3.37 Å. There are two shorter (3.24 Å) and two longer (3.31 Å) Mg–Tm bond lengths. In the second Mg site, Mg is bonded to eight equivalent Mg and four equivalent Tm atoms to form MgTm4Mg8 cuboctahedra that share corners with four equivalent TmMg12 cuboctahedra, corners with fourteen MgTm4Mg8 cuboctahedra, edges with six equivalent TmMg12 cuboctahedra, edges with twelve equivalent MgTm4Mg8 cuboctahedra, faces with four equivalent TmMg12 cuboctahedra, and faces with sixteen MgTm4Mg8 cuboctahedra. There are two shorter (3.24 Å) and two longer (3.31 Å) Mg–Tm bond lengths. Tm is bonded to twelve Mg atoms to form TmMg12 cuboctahedra that share corners with six equivalent TmMg12 cuboctahedra, corners with twelve MgTm4Mg8 cuboctahedra, edges with eighteen MgTm4Mg8 cuboctahedra, faces with eight equivalent TmMg12 cuboctahedra, and faces with twelve MgTm4Mg8 cuboctahedra.},

  doi          = {10.17188/1313669},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {5}

}

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DOI: https://doi.org/10.17188/1313669

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