Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Eu-O-Sb”

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.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

6 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Eu3Sb5O12 by Materials Project

Eu3Sb5O12 crystallizes in the cubic I-43m space group. The structure is three-dimensional. there are twelve inequivalent Eu3+ sites. In the first Eu3+ site, Eu3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are four shorter (2.36 Å) and four longer (2.69 Å) Eu–O bond lengths. In the second Eu3+ site, Eu3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are four shorter (2.36 Å) and four longer (2.69 Å) Eu–O bond lengths. In the third Eu3+ site, Eu3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are four shorter (2.36 Å) and four longer (2.69 Å) Eu–O bond lengths. In the fourth Eu3+ site, Eu3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are four shorter (2.36 Å) and four longer (2.69 Å) Eu–O bond lengths. In the fifth Eu3+ site, Eu3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are four shorter (2.36 Å) and four longer (2.69 Å) Eu–O bond lengths. In the sixth Eu3+ site, Eu3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are four shorter (2.36 Å) and four longer (2.69 Å) Eu–O bond lengths. In the seventh Eu3+ site, Eu3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are four shorter (2.36 Å) and four longer (2.69 Å) Eu–O bond lengths. In the eighth Eu3+ site, Eu3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are four shorter (2.36 Å) and four longer (2.69 Å) Eu–O bond lengths. In the ninth Eu3+ site, Eu3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are four shorter (2.36 Å) and four longer (2.69 Å) Eu–O bond lengths. In the tenth Eu3+ site, Eu3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are four shorter (2.36 Å) and four longer (2.69 Å) Eu–O bond lengths. In the eleventh Eu3+ site, Eu3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are four shorter (2.36 Å) and four longer (2.69 Å) Eu–O bond lengths. In the twelfth Eu3+ site, Eu3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are four shorter (2.36 Å) and four longer (2.69 Å) Eu–O bond lengths. There are eighteen inequivalent Sb3+ sites. In the first Sb3+ site, Sb3+ is bonded in a 4-coordinate geometry to four O2- atoms. There are two shorter (1.99 Å) and two longer (2.22 Å) Sb–O bond lengths. In the second Sb3+ site, Sb3+ is bonded in a 4-coordinate geometry to four O2- atoms. There are two shorter (1.99 Å) and two longer (2.22 Å) Sb–O bond lengths. In the third Sb3+ site, Sb3+ is bonded in a 4-coordinate geometry to four O2- atoms. There are two shorter (1.99 Å) and two longer (2.22 Å) Sb–O bond lengths. In the fourth Sb3+ site, Sb3+ is bonded in a 4-coordinate geometry to four O2- atoms. There are two shorter (1.99 Å) and two longer (2.22 Å) Sb–O bond lengths. In the fifth Sb3+ site, Sb3+ is bonded in a 4-coordinate geometry to four O2- atoms. There are two shorter (1.99 Å) and two longer (2.22 Å) Sb–O bond lengths. In the sixth Sb3+ site, Sb3+ is bonded in a 4-coordinate geometry to four O2- atoms. There are two shorter (1.99 Å) and two longer (2.22 Å) Sb–O bond lengths. In the seventh Sb3+ site, Sb3+ is bonded in a 3-coordinate geometry to three equivalent O2- atoms. All Sb–O bond lengths are 2.02 Å. In the eighth Sb3+ site, Sb3+ is bonded in a 3-coordinate geometry to three equivalent O2- atoms. All Sb–O bond lengths are 2.02 Å. In the ninth Sb3+ site, Sb3+ is bonded in a 3-coordinate geometry to three equivalent O2- atoms. All Sb–O bond lengths are 2.02 Å. In the tenth Sb3+ site, Sb3+ is bonded in a 3-coordinate geometry to three equivalent O2- atoms. All Sb–O bond lengths are 2.02 Å. In the eleventh Sb3+ site, Sb3+ is bonded in a 4-coordinate geometry to four O2- atoms. There are two shorter (1.99 Å) and two longer (2.22 Å) Sb–O bond lengths. In the twelfth Sb3+ site, Sb3+ is bonded in a 4-coordinate geometry to four O2- atoms. There are two shorter (1.99 Å) and two longer (2.22 Å) Sb–O bond lengths. In the thirteenth Sb3+ site, Sb3+ is bonded in a 4-coordinate geometry to four O2- atoms. There are two shorter (1.99 Å) and two longer (2.22 Å) Sb–O bond lengths. In the fourteenth Sb3+ site, Sb3+ is bonded in a 4-coordinate geometry to four O2- atoms. There are two shorter (1.99 Å) and two longer (2.22 Å) Sb–O bond lengths. In the fifteenth Sb3+ site, Sb3+ is bonded in a 3-coordinate geometry to three equivalent O2- atoms. All Sb–O bond lengths are 2.02 Å. In the sixteenth Sb3+ site, Sb3+ is bonded in a 3-coordinate geometry to three equivalent O2- atoms. All Sb–O bond lengths are 2.02 Å. In the seventeenth Sb3+ site, Sb3+ is bonded in a 3-coordinate geometry to three equivalent O2- atoms. All Sb–O bond lengths are 2.02 Å. In the eighteenth Sb3+ site, Sb3+ is bonded in a 3-coordinate geometry to three equivalent O2- atoms. All Sb–O bond lengths are 2.02 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two Eu3+ and one Sb3+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two Eu3+ and two Sb3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on EuSbO4 by Materials Project

EuSbO4 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Eu3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Eu–O bond distances ranging from 2.31–2.89 Å. Sb5+ is bonded to six O2- atoms to form corner-sharing SbO6 octahedra. The corner-sharing octahedra tilt angles range from 37–46°. There are a spread of Sb–O bond distances ranging from 1.99–2.04 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Eu3+ and two equivalent Sb5+ atoms. In the second O2- site, O2- is bonded in a 3-coordinate geometry to three equivalent Eu3+ and one Sb5+ atom. In the third O2- site, O2- is bonded to three equivalent Eu3+ and one Sb5+ atom to form a mixture of distorted corner and edge-sharing OEu3Sb tetrahedra. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Eu3+ and two equivalent Sb5+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on EuSbO3 by Materials Project

EuSbO3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Eu3+ is bonded to twelve equivalent O2- atoms to form EuO12 cuboctahedra that share corners with twelve equivalent EuO12 cuboctahedra, faces with six equivalent EuO12 cuboctahedra, and faces with eight equivalent SbO6 octahedra. All Eu–O bond lengths are 2.98 Å. Sb3+ is bonded to six equivalent O2- atoms to form SbO6 octahedra that share corners with six equivalent SbO6 octahedra and faces with eight equivalent EuO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Sb–O bond lengths are 2.11 Å. O2- is bonded in a distorted linear geometry to four equivalent Eu3+ and two equivalent Sb3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu3SbO7 by Materials Project

Eu3SbO7 crystallizes in the orthorhombic C222_1 space group. The structure is three-dimensional. there are two inequivalent Eu3+ sites. In the first Eu3+ site, Eu3+ is bonded to seven O2- atoms to form distorted EuO7 pentagonal bipyramids that share corners with two equivalent SbO6 octahedra, a cornercorner with one EuO7 pentagonal bipyramid, edges with two equivalent SbO6 octahedra, and edges with three equivalent EuO7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 46–48°. There are a spread of Eu–O bond distances ranging from 2.27–2.59 Å. In the second Eu3+ site, Eu3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Eu–O bond distances ranging from 2.38–2.75 Å. Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two equivalent SbO6 octahedra, corners with four equivalent EuO7 pentagonal bipyramids, and edges with four equivalent EuO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 39°. There are four shorter (2.00 Å) and two longer (2.05 Å) Sb–O bond lengths. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded to four Eu3+ atoms to form a mixture of edge and corner-sharing OEu4 tetrahedra. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Eu3+ and two equivalent Sb5+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to three Eu3+ and one Sb5+ atom. In the fourth O2- site, O2- is bonded to four Eu3+ atoms to form a mixture of edge and corner-sharing OEu4 tetrahedra. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to three Eu3+ and one Sb5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu4Sb2O by Materials Project

Eu4Sb2O is (La,Ba)CuO4 structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Eu2+ sites. In the first Eu2+ site, Eu2+ is bonded in a linear geometry to four equivalent Sb3- and two equivalent O2- atoms. All Eu–Sb bond lengths are 3.36 Å. Both Eu–O bond lengths are 2.43 Å. In the second Eu2+ site, Eu2+ is bonded to five equivalent Sb3- and one O2- atom to form a mixture of distorted edge and corner-sharing EuSb5O octahedra. The corner-sharing octahedra tilt angles range from 0–17°. There are one shorter (3.28 Å) and four longer (3.48 Å) Eu–Sb bond lengths. The Eu–O bond length is 2.84 Å. Sb3- is bonded in a 9-coordinate geometry to nine Eu2+ atoms. O2- is bonded to six Eu2+ atoms to form corner-sharing OEu6 octahedra. The corner-sharing octahedral tilt angles are 0°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu3SbO7 by Materials Project

Eu3SbO7 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. there are two inequivalent Eu3+ sites. In the first Eu3+ site, Eu3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Eu–O bond distances ranging from 2.38–2.69 Å. In the second Eu3+ site, Eu3+ is bonded to seven O2- atoms to form distorted EuO7 pentagonal bipyramids that share corners with two equivalent SbO6 octahedra, a cornercorner with one EuO7 pentagonal bipyramid, edges with two equivalent SbO6 octahedra, and edges with three equivalent EuO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 47°. There are a spread of Eu–O bond distances ranging from 2.28–2.59 Å. Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two equivalent SbO6 octahedra, corners with four equivalent EuO7 pentagonal bipyramids, and edges with four equivalent EuO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 39°. There are four shorter (2.00 Å) and two longer (2.04 Å) Sb–O bond lengths. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to three Eu3+ and one Sb5+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Eu3+ and two equivalent Sb5+ atoms. In the third O2- site, O2- is bonded to four Eu3+ atoms to form a mixture of corner and edge-sharing OEu4 tetrahedra. In the fourth O2- site, O2- is bonded to four Eu3+ atoms to form a mixture of corner and edge-sharing OEu4 tetrahedra.

36 MATERIALS SCIENCE↗