Materials Data on Dy2Ge2O5 by Materials Project

doi:10.17188/1729014

Title: Materials Data on Dy2Ge2O5 by Materials Project

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Abstract

Dy2Ge2O5 crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Dy3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are four shorter (2.18 Å) and one longer (2.33 Å) Dy–O bond lengths. There are two inequivalent Ge2+ sites. In the first Ge2+ site, Ge2+ is bonded in a body-centered cubic geometry to eight equivalent O2- atoms. All Ge–O bond lengths are 2.21 Å. In the second Ge2+ site, Ge2+ is bonded in a square co-planar geometry to four equivalent O2- atoms. All Ge–O bond lengths are 2.61 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded to two equivalent Dy3+ and two equivalent Ge2+ atoms to form ODy2Ge2 tetrahedra that share corners with two equivalent ODy2Ge4 octahedra, corners with ten equivalent ODy2Ge2 tetrahedra, and edges with five equivalent ODy2Ge2 tetrahedra. The corner-sharing octahedral tilt angles are 58°. In the second O2- site, O2- is bonded to two equivalent Dy3+ and four equivalent Ge2+ atoms to form ODy2Ge4 octahedra that share corners with four equivalent ODy2Ge4 octahedra, corners with eight equivalent ODy2Ge2 tetrahedra, and edges with four equivalent ODy2Ge4 octahedra. The corner-sharing octahedral tilt angles are 0°.

Authors:: The Materials Project

Publication Date:: Sun May 03 00:00:00 EDT 2020

Other Number(s):: mp-1184160

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; Dy2Ge2O5; Dy-Ge-O

OSTI Identifier:: 1729014

DOI:: https://doi.org/10.17188/1729014

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                    The Materials Project. Materials Data on Dy2Ge2O5 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1729014.

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                    The Materials Project. Materials Data on Dy2Ge2O5 by Materials Project.  United States.  doi:https://doi.org/10.17188/1729014

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                    The Materials Project. 2020.  
"Materials Data on Dy2Ge2O5 by Materials Project".  United States.  doi:https://doi.org/10.17188/1729014.  https://www.osti.gov/servlets/purl/1729014. Pub date:Sun May 03 00:00:00 EDT 2020

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@article{osti_1729014,

  title        = {Materials Data on Dy2Ge2O5 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Dy2Ge2O5 crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Dy3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are four shorter (2.18 Å) and one longer (2.33 Å) Dy–O bond lengths. There are two inequivalent Ge2+ sites. In the first Ge2+ site, Ge2+ is bonded in a body-centered cubic geometry to eight equivalent O2- atoms. All Ge–O bond lengths are 2.21 Å. In the second Ge2+ site, Ge2+ is bonded in a square co-planar geometry to four equivalent O2- atoms. All Ge–O bond lengths are 2.61 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded to two equivalent Dy3+ and two equivalent Ge2+ atoms to form ODy2Ge2 tetrahedra that share corners with two equivalent ODy2Ge4 octahedra, corners with ten equivalent ODy2Ge2 tetrahedra, and edges with five equivalent ODy2Ge2 tetrahedra. The corner-sharing octahedral tilt angles are 58°. In the second O2- site, O2- is bonded to two equivalent Dy3+ and four equivalent Ge2+ atoms to form ODy2Ge4 octahedra that share corners with four equivalent ODy2Ge4 octahedra, corners with eight equivalent ODy2Ge2 tetrahedra, and edges with four equivalent ODy2Ge4 octahedra. The corner-sharing octahedral tilt angles are 0°.},

  doi          = {10.17188/1729014},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Sun May 03 00:00:00 EDT 2020},

  month        = {Sun May 03 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1729014

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