Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Dy2WO6”

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.

4 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Dy2WO6 by Materials Project

Dy2WO6 crystallizes in the orthorhombic Pbca space group. The structure is three-dimensional. there are two inequivalent Dy3+ sites. In the first Dy3+ site, Dy3+ is bonded to seven O2- atoms to form distorted DyO7 pentagonal bipyramids that share corners with three equivalent WO6 octahedra, an edgeedge with one WO6 octahedra, and edges with three equivalent DyO7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 17–34°. There are a spread of Dy–O bond distances ranging from 2.27–2.44 Å. In the second Dy3+ site, Dy3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Dy–O bond distances ranging from 2.23–2.54 Å. W6+ is bonded to six O2- atoms to form WO6 octahedra that share corners with two equivalent WO6 octahedra, corners with three equivalent DyO7 pentagonal bipyramids, and an edgeedge with one DyO7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 47°. There are a spread of W–O bond distances ranging from 1.84–2.17 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Dy3+ and one W6+ atom. In the second O2- site, O2- is bonded to four Dy3+ atoms to form ODy4 tetrahedra that share corners with two equivalent ODy2W2 trigonal pyramids, edges with two equivalent ODy4 tetrahedra, and an edgeedge with one ODy2W2 trigonal pyramid. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Dy3+ and one W6+ atom. In the fourth O2- site, O2- is bonded in a trigonal non-coplanar geometry to two equivalent Dy3+ and one W6+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two Dy3+ and one W6+ atom. In the sixth O2- site, O2- is bonded to two equivalent Dy3+ and two equivalent W6+ atoms to form distorted ODy2W2 trigonal pyramids that share corners with two equivalent ODy4 tetrahedra, an edgeedge with one ODy4 tetrahedra, and edges with two equivalent ODy2W2 trigonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy2WO6 by Materials Project

Dy2WO6 crystallizes in the monoclinic P2/c space group. The structure is three-dimensional. there are three inequivalent Dy3+ sites. In the first Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Dy–O bond distances ranging from 2.27–2.57 Å. In the second Dy3+ site, Dy3+ is bonded to seven O2- atoms to form distorted DyO7 pentagonal bipyramids that share corners with three equivalent WO6 octahedra, edges with two equivalent WO6 octahedra, and an edgeedge with one DyO7 pentagonal bipyramid. The corner-sharing octahedra tilt angles range from 43–55°. There are a spread of Dy–O bond distances ranging from 2.25–2.43 Å. In the third Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Dy–O bond distances ranging from 2.33–2.47 Å. W6+ is bonded to six O2- atoms to form distorted WO6 octahedra that share corners with three equivalent DyO7 pentagonal bipyramids and edges with two equivalent DyO7 pentagonal bipyramids. There are a spread of W–O bond distances ranging from 1.88–2.09 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded to three Dy3+ and one W6+ atom to form a mixture of edge and corner-sharing ODy3W tetrahedra. In the second O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Dy3+ and one W6+ atom. In the third O2- site, O2- is bonded to three Dy3+ and one W6+ atom to form distorted corner-sharing ODy3W tetrahedra. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to three Dy3+ and one W6+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Dy3+ and one W6+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Dy3+ and one W6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy2WO6 by Materials Project

Dy2WO6 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. there are two inequivalent Dy3+ sites. In the first Dy3+ site, Dy3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Dy–O bond distances ranging from 2.24–2.60 Å. In the second Dy3+ site, Dy3+ is bonded to seven O2- atoms to form distorted DyO7 hexagonal pyramids that share corners with three equivalent WO6 octahedra, edges with two equivalent DyO7 hexagonal pyramids, and edges with two equivalent WO6 octahedra. The corner-sharing octahedra tilt angles range from 39–46°. There are a spread of Dy–O bond distances ranging from 2.30–2.41 Å. W6+ is bonded to six O2- atoms to form WO6 octahedra that share corners with three equivalent DyO7 hexagonal pyramids and edges with two equivalent DyO7 hexagonal pyramids. There are a spread of W–O bond distances ranging from 1.89–2.03 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Dy3+ and one W6+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two Dy3+ and one W6+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two Dy3+ and one W6+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Dy3+ and one W6+ atom. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to three Dy3+ and one W6+ atom. In the sixth O2- site, O2- is bonded to three Dy3+ and one W6+ atom to form distorted corner-sharing ODy3W tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy2WO6 by Materials Project

Dy2WO6 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are three inequivalent Dy3+ sites. In the first Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Dy–O bond distances ranging from 2.19–2.64 Å. In the second Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Dy–O bond distances ranging from 2.28–2.47 Å. In the third Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Dy–O bond distances ranging from 2.22–2.78 Å. W6+ is bonded in a distorted trigonal bipyramidal geometry to five O2- atoms. There are a spread of W–O bond distances ranging from 1.83–2.12 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Dy3+ and one W6+ atom. In the second O2- site, O2- is bonded to three Dy3+ and one W6+ atom to form ODy3W tetrahedra that share corners with six ODy3W tetrahedra and an edgeedge with one ODy4 tetrahedra. In the third O2- site, O2- is bonded to four Dy3+ atoms to form ODy4 tetrahedra that share corners with six ODy3W tetrahedra and edges with four ODy4 tetrahedra. In the fourth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Dy3+ and one W6+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Dy3+ and one W6+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to three Dy3+ and one W6+ atom.

36 MATERIALS SCIENCE↗