Materials Data on Sr2LaTa3O11 by Materials Project

doi:10.17188/1269662

Title: Materials Data on Sr2LaTa3O11 by Materials Project

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Abstract

Sr2LaTa3O11 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. Sr2+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. There are four shorter (2.51 Å) and two longer (2.59 Å) Sr–O bond lengths. La3+ is bonded to twelve O2- atoms to form LaO12 cuboctahedra that share corners with two equivalent LaO12 cuboctahedra, faces with two equivalent LaO12 cuboctahedra, and faces with eight TaO6 octahedra. There are a spread of La–O bond distances ranging from 2.62–2.88 Å. There are two inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with four TaO6 octahedra and faces with two equivalent LaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 10–19°. There are a spread of Ta–O bond distances ranging from 1.89–2.14 Å. In the second Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with six TaO6 octahedra and faces with four equivalent LaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–10°. There is two shorter (1.99 Å) and four longer (2.00 Å) Ta–O bond length. There are four inequivalent O2- sites. In the first O2- site,more »« less

Authors:: The Materials Project

Publication Date:: 2020-07-15

Other Number(s):: mp-557028

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; Sr2LaTa3O11; La-O-Sr-Ta

OSTI Identifier:: 1269662

DOI:: https://doi.org/10.17188/1269662

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                    The Materials Project. Materials Data on Sr2LaTa3O11 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1269662.

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                    The Materials Project. Materials Data on Sr2LaTa3O11 by Materials Project.  United States.  doi:https://doi.org/10.17188/1269662

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                    The Materials Project. 2020.  
"Materials Data on Sr2LaTa3O11 by Materials Project".  United States.  doi:https://doi.org/10.17188/1269662.  https://www.osti.gov/servlets/purl/1269662. Pub date:Wed Jul 15 00:00:00 EDT 2020

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@article{osti_1269662,

  title        = {Materials Data on Sr2LaTa3O11 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Sr2LaTa3O11 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. Sr2+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. There are four shorter (2.51 Å) and two longer (2.59 Å) Sr–O bond lengths. La3+ is bonded to twelve O2- atoms to form LaO12 cuboctahedra that share corners with two equivalent LaO12 cuboctahedra, faces with two equivalent LaO12 cuboctahedra, and faces with eight TaO6 octahedra. There are a spread of La–O bond distances ranging from 2.62–2.88 Å. There are two inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with four TaO6 octahedra and faces with two equivalent LaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 10–19°. There are a spread of Ta–O bond distances ranging from 1.89–2.14 Å. In the second Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with six TaO6 octahedra and faces with four equivalent LaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–10°. There is two shorter (1.99 Å) and four longer (2.00 Å) Ta–O bond length. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent La3+ and two Ta5+ atoms. In the second O2- site, O2- is bonded to three equivalent Sr2+ and one Ta5+ atom to form a mixture of distorted edge and corner-sharing OSr3Ta tetrahedra. In the third O2- site, O2- is bonded in a distorted linear geometry to two equivalent La3+ and two equivalent Ta5+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one La3+ and two equivalent Ta5+ atoms.},

  doi          = {10.17188/1269662},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {7}

}

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DOI: https://doi.org/10.17188/1269662

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