Materials Data on LaCeAl2O6 by Materials Project

doi:10.17188/1667108

Title: Materials Data on LaCeAl2O6 by Materials Project

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Abstract

CeLaAl2O6 crystallizes in the trigonal R32 space group. The structure is three-dimensional. Ce3+ is bonded to twelve O2- atoms to form CeO12 cuboctahedra that share corners with twelve equivalent CeO12 cuboctahedra, faces with six equivalent LaO12 cuboctahedra, and faces with eight equivalent AlO6 octahedra. There are a spread of Ce–O bond distances ranging from 2.55–2.84 Å. La3+ is bonded to twelve O2- atoms to form LaO12 cuboctahedra that share corners with twelve equivalent LaO12 cuboctahedra, faces with six equivalent CeO12 cuboctahedra, and faces with eight equivalent AlO6 octahedra. There are a spread of La–O bond distances ranging from 2.56–2.84 Å. Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with six equivalent AlO6 octahedra, faces with four equivalent CeO12 cuboctahedra, and faces with four equivalent LaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 8–9°. All Al–O bond lengths are 1.91 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ce3+, two equivalent La3+, and two equivalent Al3+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ce3+, two equivalent La3+, and two equivalent Al3+more » atoms.« less

Authors:: The Materials Project

Publication Date:: Wed Jul 22 00:00:00 EDT 2020

Other Number(s):: mp-1225482

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; LaCeAl2O6; Al-Ce-La-O

OSTI Identifier:: 1667108

DOI:: https://doi.org/10.17188/1667108

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                    The Materials Project. Materials Data on LaCeAl2O6 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1667108.

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                    The Materials Project. Materials Data on LaCeAl2O6 by Materials Project.  United States.  doi:https://doi.org/10.17188/1667108

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                    The Materials Project. 2020.  
"Materials Data on LaCeAl2O6 by Materials Project".  United States.  doi:https://doi.org/10.17188/1667108.  https://www.osti.gov/servlets/purl/1667108. Pub date:Wed Jul 22 00:00:00 EDT 2020

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@article{osti_1667108,

  title        = {Materials Data on LaCeAl2O6 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {CeLaAl2O6 crystallizes in the trigonal R32 space group. The structure is three-dimensional. Ce3+ is bonded to twelve O2- atoms to form CeO12 cuboctahedra that share corners with twelve equivalent CeO12 cuboctahedra, faces with six equivalent LaO12 cuboctahedra, and faces with eight equivalent AlO6 octahedra. There are a spread of Ce–O bond distances ranging from 2.55–2.84 Å. La3+ is bonded to twelve O2- atoms to form LaO12 cuboctahedra that share corners with twelve equivalent LaO12 cuboctahedra, faces with six equivalent CeO12 cuboctahedra, and faces with eight equivalent AlO6 octahedra. There are a spread of La–O bond distances ranging from 2.56–2.84 Å. Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with six equivalent AlO6 octahedra, faces with four equivalent CeO12 cuboctahedra, and faces with four equivalent LaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 8–9°. All Al–O bond lengths are 1.91 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ce3+, two equivalent La3+, and two equivalent Al3+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ce3+, two equivalent La3+, and two equivalent Al3+ atoms.},

  doi          = {10.17188/1667108},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Wed Jul 22 00:00:00 EDT 2020},

  month        = {Wed Jul 22 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1667108

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