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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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6 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on YbBO3 by Materials Project

YbBO3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. there are two inequivalent Yb3+ sites. In the first Yb3+ site, Yb3+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. All Yb–O bond lengths are 2.48 Å. In the second Yb3+ site, Yb3+ is bonded in a distorted octahedral geometry to six equivalent O2- atoms. All Yb–O bond lengths are 2.33 Å. B3+ is bonded in a trigonal planar geometry to three O2- atoms. All B–O bond lengths are 1.37 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three Yb3+ and one B3+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one B3+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YbBO3 by Materials Project

YbBO3 is Calcite structured and crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Yb3+ is bonded to six equivalent O2- atoms to form corner-sharing YbO6 octahedra. The corner-sharing octahedral tilt angles are 59°. All Yb–O bond lengths are 2.34 Å. B3+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All B–O bond lengths are 1.37 Å. O2- is bonded in a distorted trigonal planar geometry to two equivalent Yb3+ and one B3+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Yb3B5O12 by Materials Project

Yb3B5O12 crystallizes in the orthorhombic Pmna space group. The structure is three-dimensional. there are two inequivalent Yb3+ sites. In the first Yb3+ site, Yb3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Yb–O bond distances ranging from 2.27–2.67 Å. In the second Yb3+ site, Yb3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Yb–O bond distances ranging from 2.34–2.53 Å. There are four inequivalent B3+ sites. In the first B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.41–1.53 Å. In the second B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There is two shorter (1.48 Å) and two longer (1.49 Å) B–O bond length. In the third B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.42–1.53 Å. In the fourth B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.45–1.51 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Yb3+ and two equivalent B3+ atoms. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Yb3+ and two B3+ atoms. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Yb3+ and two B3+ atoms. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Yb3+ and two B3+ atoms. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to three Yb3+ and one B3+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Yb3+ and one B3+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Yb3+ and one B3+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Yb3+ and two B3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YbB4O7 by Materials Project

YbB4O7 crystallizes in the orthorhombic Pmn2_1 space group. The structure is three-dimensional. Yb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Yb–O bond distances ranging from 2.38–2.58 Å. There are two inequivalent B3+ sites. In the first B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.43–1.54 Å. In the second B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.45–1.55 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Yb2+ and two B3+ atoms. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Yb2+ and two equivalent B3+ atoms. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to one Yb2+ and two B3+ atoms. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to three B3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Yb(BO2)3 by Materials Project

Yb(BO2)3 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Yb3+ is bonded in a 2-coordinate geometry to ten O2- atoms. There are a spread of Yb–O bond distances ranging from 2.34–2.85 Å. There are two inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.45 Å) and two longer (1.48 Å) B–O bond length. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.33–1.41 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one Yb3+ and two B3+ atoms. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Yb3+ and two B3+ atoms. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Yb3+ and one B3+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YbBO3 by Materials Project

YbBO3 crystallizes in the orthorhombic Ama2 space group. The structure is three-dimensional. Yb3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are a spread of Yb–O bond distances ranging from 2.30–2.70 Å. B3+ is bonded in a trigonal planar geometry to three O2- atoms. All B–O bond lengths are 1.38 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three equivalent Yb3+ and one B3+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Yb3+ and one B3+ atom.

36 MATERIALS SCIENCE↗