Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Gd”

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.

At least 739 records · Page 41

Materials Data on GdNi by Materials Project

GdNi crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Gd is bonded in a 7-coordinate geometry to seven equivalent Ni atoms. There are a spread of Gd–Ni bond distances ranging from 2.90–3.01 Å. Ni is bonded in a 9-coordinate geometry to seven equivalent Gd and two equivalent Ni atoms. Both Ni–Ni bond lengths are 2.60 Å.

36 MATERIALS SCIENCE↗

Materials Data on GdCo2 by Materials Project

GdCo2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Gd is bonded in a 12-coordinate geometry to twelve equivalent Co atoms. All Gd–Co bond lengths are 3.00 Å. Co is bonded to six equivalent Gd and six equivalent Co atoms to form a mixture of face, edge, and corner-sharing CoGd6Co6 cuboctahedra. All Co–Co bond lengths are 2.56 Å.

36 MATERIALS SCIENCE↗

Materials Data on GdAg by Materials Project

GdAg is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Gd is bonded in a body-centered cubic geometry to eight equivalent Ag atoms. All Gd–Ag bond lengths are 3.19 Å. Ag is bonded in a body-centered cubic geometry to eight equivalent Gd atoms.

36 MATERIALS SCIENCE↗

Materials Data on GdNi2 by Materials Project

GdNi2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Gd is bonded in a 12-coordinate geometry to twelve equivalent Ni atoms. All Gd–Ni bond lengths are 2.98 Å. Ni is bonded to six equivalent Gd and six equivalent Ni atoms to form a mixture of edge, face, and corner-sharing NiGd6Ni6 cuboctahedra. All Ni–Ni bond lengths are 2.55 Å.

36 MATERIALS SCIENCE↗

Materials Data on CsGdO3 by Materials Project

CsGdO3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Cs is bonded to twelve equivalent O atoms to form CsO12 cuboctahedra that share corners with twelve equivalent CsO12 cuboctahedra, faces with six equivalent CsO12 cuboctahedra, and faces with eight equivalent GdO6 octahedra. All Cs–O bond lengths are 3.21 Å. Gd is bonded to six equivalent O atoms to form GdO6 octahedra that share corners with six equivalent GdO6 octahedra and faces with eight equivalent CsO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Gd–O bond lengths are 2.27 Å. O is bonded in a distorted linear geometry to four equivalent Cs and two equivalent Gd atoms.

36 MATERIALS SCIENCE↗

Materials Data on GdSi by Materials Project

GdSi crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Gd is bonded in a 7-coordinate geometry to seven equivalent Si atoms. There are a spread of Gd–Si bond distances ranging from 2.99–3.18 Å. Si is bonded in a 9-coordinate geometry to seven equivalent Gd and two equivalent Si atoms. Both Si–Si bond lengths are 2.49 Å.

36 MATERIALS SCIENCE↗

Materials Data on K3Gd5(PO4)6 by Materials Project

K3Gd5(PO4)6 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.74–3.29 Å. In the second K1+ site, K1+ is bonded in a 4-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.64–3.35 Å. There are three inequivalent Gd3+ sites. In the first Gd3+ site, Gd3+ is bonded to eight O2- atoms to form distorted GdO8 hexagonal bipyramids that share corners with four PO4 tetrahedra, edges with two equivalent GdO8 hexagonal bipyramids, and edges with two PO4 tetrahedra. There are a spread of Gd–O bond distances ranging from 2.29–2.60 Å. In the second Gd3+ site, Gd3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Gd–O bond distances ranging from 2.37–2.76 Å. In the third Gd3+ site, Gd3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Gd–O bond distances ranging from 2.30–2.60 Å. There are three inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent GdO8 hexagonal bipyramids and an edgeedge with one GdO8 hexagonal bipyramid. There are a spread of P–O bond distances ranging from 1.54–1.57 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share an edgeedge with one GdO8 hexagonal bipyramid. There are a spread of P–O bond distances ranging from 1.53–1.59 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent GdO8 hexagonal bipyramids. There are a spread of P–O bond distances ranging from 1.54–1.57 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one Gd3+, and one P5+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, two Gd3+, and one P5+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two Gd3+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to two K1+, two Gd3+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, two equivalent Gd3+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Gd3+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to three K1+, one Gd3+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to one K1+, two Gd3+, and one P5+ atom. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, two Gd3+, and one P5+ atom. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, two equivalent Gd3+, and one P5+ atom. In the eleventh O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent K1+, one Gd3+, and one P5+ atom. In the twelfth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, two Gd3+, and one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on GdTe by Materials Project

GdTe is Halite, Rock Salt structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Gd is bonded to six equivalent Te atoms to form a mixture of edge and corner-sharing GdTe6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Gd–Te bond lengths are 3.13 Å. Te is bonded to six equivalent Gd atoms to form a mixture of edge and corner-sharing TeGd6 octahedra. The corner-sharing octahedral tilt angles are 0°.

36 MATERIALS SCIENCE↗

Materials Data on GdMnGe by Materials Project

GdMnGe crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Gd is bonded in a 5-coordinate geometry to five equivalent Ge atoms. There are four shorter (2.93 Å) and one longer (2.95 Å) Gd–Ge bond lengths. Mn is bonded in a 3-coordinate geometry to four equivalent Ge atoms. There are a spread of Mn–Ge bond distances ranging from 2.44–2.91 Å. Ge is bonded in a 9-coordinate geometry to five equivalent Gd and four equivalent Mn atoms.

36 MATERIALS SCIENCE↗

Materials Data on GdCu by Materials Project

GdCu is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Gd is bonded in a body-centered cubic geometry to eight equivalent Cu atoms. All Gd–Cu bond lengths are 3.04 Å. Cu is bonded in a body-centered cubic geometry to eight equivalent Gd atoms.

36 MATERIALS SCIENCE↗

Materials Data on GdBi by Materials Project

GdBi is Halite, Rock Salt structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Gd is bonded to six equivalent Bi atoms to form a mixture of edge and corner-sharing GdBi6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Gd–Bi bond lengths are 3.20 Å. Bi is bonded to six equivalent Gd atoms to form a mixture of edge and corner-sharing BiGd6 octahedra. The corner-sharing octahedral tilt angles are 0°.

36 MATERIALS SCIENCE↗

Materials Data on GdInPd2 by Materials Project

Pd2GdIn is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Gd is bonded in a body-centered cubic geometry to eight equivalent Pd atoms. All Gd–Pd bond lengths are 2.97 Å. Pd is bonded in a body-centered cubic geometry to four equivalent Gd and four equivalent In atoms. All Pd–In bond lengths are 2.97 Å. In is bonded in a distorted body-centered cubic geometry to eight equivalent Pd atoms.

36 MATERIALS SCIENCE↗

Materials Data on GdAu by Materials Project

GdAu is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Gd is bonded in a body-centered cubic geometry to eight equivalent Au atoms. All Gd–Au bond lengths are 3.16 Å. Au is bonded in a body-centered cubic geometry to eight equivalent Gd atoms.

36 MATERIALS SCIENCE↗

Materials Data on Gd2AlCo2 by Materials Project

Gd2Co2Al crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. Gd is bonded in a 10-coordinate geometry to six equivalent Co atoms. There are four shorter (2.91 Å) and two longer (2.97 Å) Gd–Co bond lengths. Co is bonded in a 9-coordinate geometry to six equivalent Gd, one Co, and two equivalent Al atoms. The Co–Co bond length is 2.51 Å. Both Co–Al bond lengths are 2.50 Å. Al is bonded in a 12-coordinate geometry to four equivalent Co atoms.

36 MATERIALS SCIENCE↗

Materials Data on Gd2O3 by Materials Project

Gd2O3 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are three inequivalent Gd3+ sites. In the first Gd3+ site, Gd3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing GdO6 octahedra. The corner-sharing octahedral tilt angles are 0°. There are a spread of Gd–O bond distances ranging from 2.26–2.52 Å. In the second Gd3+ site, Gd3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Gd–O bond distances ranging from 2.29–2.81 Å. In the third Gd3+ site, Gd3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Gd–O bond distances ranging from 2.28–2.69 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded to five Gd3+ atoms to form distorted OGd5 trigonal bipyramids that share corners with seven OGd4 tetrahedra, corners with two equivalent OGd4 trigonal pyramids, edges with two equivalent OGd6 octahedra, edges with three OGd4 tetrahedra, edges with two equivalent OGd5 trigonal bipyramids, and edges with three equivalent OGd4 trigonal pyramids. In the second O2- site, O2- is bonded to four Gd3+ atoms to form OGd4 tetrahedra that share a cornercorner with one OGd6 octahedra, corners with four OGd4 tetrahedra, corners with five equivalent OGd5 trigonal bipyramids, corners with three equivalent OGd4 trigonal pyramids, edges with two equivalent OGd6 octahedra, edges with two equivalent OGd4 tetrahedra, and an edgeedge with one OGd5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 49°. In the third O2- site, O2- is bonded to four Gd3+ atoms to form distorted OGd4 tetrahedra that share corners with two equivalent OGd6 octahedra, corners with four OGd4 tetrahedra, corners with two equivalent OGd5 trigonal bipyramids, corners with six equivalent OGd4 trigonal pyramids, an edgeedge with one OGd6 octahedra, an edgeedge with one OGd4 tetrahedra, and edges with two equivalent OGd5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 12°. In the fourth O2- site, O2- is bonded to four Gd3+ atoms to form distorted OGd4 trigonal pyramids that share a cornercorner with one OGd6 octahedra, corners with nine OGd4 tetrahedra, corners with two equivalent OGd5 trigonal bipyramids, corners with two equivalent OGd4 trigonal pyramids, edges with three equivalent OGd5 trigonal bipyramids, and edges with two equivalent OGd4 trigonal pyramids. The corner-sharing octahedral tilt angles are 37°. In the fifth O2- site, O2- is bonded to six Gd3+ atoms to form OGd6 octahedra that share corners with six OGd4 tetrahedra, corners with two equivalent OGd4 trigonal pyramids, edges with two equivalent OGd6 octahedra, edges with six OGd4 tetrahedra, and edges with four equivalent OGd5 trigonal bipyramids.

36 MATERIALS SCIENCE↗

Materials Data on Gd10S19 by Materials Project

Gd10S19 crystallizes in the tetragonal P4_2/n space group. The structure is three-dimensional. there are three inequivalent Gd3+ sites. In the first Gd3+ site, Gd3+ is bonded in a 8-coordinate geometry to eight S+1.58- atoms. There are a spread of Gd–S bond distances ranging from 2.79–3.04 Å. In the second Gd3+ site, Gd3+ is bonded in a 9-coordinate geometry to nine S+1.58- atoms. There are a spread of Gd–S bond distances ranging from 2.83–2.94 Å. In the third Gd3+ site, Gd3+ is bonded in a 9-coordinate geometry to nine S+1.58- atoms. There are a spread of Gd–S bond distances ranging from 2.83–3.10 Å. There are six inequivalent S+1.58- sites. In the first S+1.58- site, S+1.58- is bonded in a 5-coordinate geometry to four Gd3+ and one S+1.58- atom. The S–S bond length is 2.15 Å. In the second S+1.58- site, S+1.58- is bonded in a 4-coordinate geometry to four equivalent Gd3+ atoms. In the third S+1.58- site, S+1.58- is bonded to five Gd3+ atoms to form a mixture of distorted edge and corner-sharing SGd5 trigonal bipyramids. In the fourth S+1.58- site, S+1.58- is bonded to five Gd3+ atoms to form a mixture of distorted edge and corner-sharing SGd5 trigonal bipyramids. In the fifth S+1.58- site, S+1.58- is bonded in a 5-coordinate geometry to four Gd3+ and one S+1.58- atom. In the sixth S+1.58- site, S+1.58- is bonded to five Gd3+ atoms to form a mixture of distorted edge and corner-sharing SGd5 trigonal bipyramids.

36 MATERIALS SCIENCE↗

Materials Data on GdRu2 by Materials Project

GdRu2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Gd is bonded in a 12-coordinate geometry to twelve equivalent Ru atoms. All Gd–Ru bond lengths are 3.15 Å. Ru is bonded to six equivalent Gd and six equivalent Ru atoms to form a mixture of face, edge, and corner-sharing RuGd6Ru6 cuboctahedra. All Ru–Ru bond lengths are 2.68 Å.

36 MATERIALS SCIENCE↗

Materials Data on Gd2Be2GeO7 by Materials Project

Be2Gd2GeO7 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are three inequivalent Be2+ sites. In the first Be2+ site, Be2+ is bonded to four O2- atoms to form BeO4 tetrahedra that share a cornercorner with one BeO4 tetrahedra and corners with two equivalent GeO4 tetrahedra. There are a spread of Be–O bond distances ranging from 1.58–1.71 Å. In the second Be2+ site, Be2+ is bonded to four O2- atoms to form BeO4 tetrahedra that share a cornercorner with one BeO4 tetrahedra and corners with two equivalent GeO4 tetrahedra. There are a spread of Be–O bond distances ranging from 1.58–1.71 Å. In the third Be2+ site, Be2+ is bonded to four O2- atoms to form BeO4 tetrahedra that share a cornercorner with one BeO4 tetrahedra and corners with two equivalent GeO4 tetrahedra. There are a spread of Be–O bond distances ranging from 1.58–1.71 Å. There are three inequivalent Gd3+ sites. In the first Gd3+ site, Gd3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Gd–O bond distances ranging from 2.31–2.63 Å. In the second Gd3+ site, Gd3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Gd–O bond distances ranging from 2.30–2.63 Å. In the third Gd3+ site, Gd3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Gd–O bond distances ranging from 2.31–2.63 Å. Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with four BeO4 tetrahedra. All Ge–O bond lengths are 1.76 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one Be2+ and three Gd3+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Be2+, two Gd3+, and one Ge4+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Be2+, two Gd3+, and one Ge4+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to one Be2+ and three Gd3+ atoms. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Be2+, two Gd3+, and one Ge4+ atom. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Be2+ and two Gd3+ atoms. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to two Be2+ and two equivalent Gd3+ atoms. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to one Be2+ and three Gd3+ atoms. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to one Be2+, two Gd3+, and one Ge4+ atom.

36 MATERIALS SCIENCE↗