Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Ce”

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 1,099 records · Page 61

Materials Data on CeSnPd by Materials Project

CePdSn crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Ce is bonded in a 11-coordinate geometry to five Pd and six equivalent Sn atoms. There are four shorter (3.11 Å) and one longer (3.15 Å) Ce–Pd bond lengths. There are two shorter (3.30 Å) and four longer (3.45 Å) Ce–Sn bond lengths. There are two inequivalent Pd sites. In the first Pd site, Pd is bonded in a 9-coordinate geometry to six equivalent Ce and three equivalent Sn atoms. All Pd–Sn bond lengths are 2.90 Å. In the second Pd site, Pd is bonded in a 9-coordinate geometry to three equivalent Ce and six equivalent Sn atoms. All Pd–Sn bond lengths are 2.84 Å. Sn is bonded in a 10-coordinate geometry to six equivalent Ce and four Pd atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ce3Ga by Materials Project

Ce3Ga is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ce is bonded to eight equivalent Ce and four equivalent Ga atoms to form distorted CeCe8Ga4 cuboctahedra that share corners with twelve equivalent CeCe8Ga4 cuboctahedra, edges with eight equivalent GaCe12 cuboctahedra, edges with sixteen equivalent CeCe8Ga4 cuboctahedra, faces with four equivalent GaCe12 cuboctahedra, and faces with fourteen equivalent CeCe8Ga4 cuboctahedra. All Ce–Ce bond lengths are 3.29 Å. All Ce–Ga bond lengths are 3.29 Å. Ga is bonded to twelve equivalent Ce atoms to form GaCe12 cuboctahedra that share corners with twelve equivalent GaCe12 cuboctahedra, edges with twenty-four equivalent CeCe8Ga4 cuboctahedra, faces with six equivalent GaCe12 cuboctahedra, and faces with twelve equivalent CeCe8Ga4 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on Ce2In8Co by Materials Project

Ce2CoIn8 crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Ce is bonded to twelve In atoms to form CeIn12 cuboctahedra that share corners with eight equivalent CeIn12 cuboctahedra, edges with twelve InCe4In8 cuboctahedra, faces with five equivalent CeIn12 cuboctahedra, and faces with eight InCe4In8 cuboctahedra. There are a spread of Ce–In bond distances ranging from 3.28–3.36 Å. Co is bonded in a body-centered cubic geometry to eight In atoms. All Co–In bond lengths are 2.74 Å. There are four inequivalent In sites. In the first In site, In is bonded to four equivalent Ce and eight In atoms to form distorted InCe4In8 cuboctahedra that share corners with four equivalent InCe4In8 cuboctahedra, edges with eight equivalent CeIn12 cuboctahedra, edges with eight equivalent InCe4In8 cuboctahedra, faces with four equivalent CeIn12 cuboctahedra, and faces with twelve InCe4In8 cuboctahedra. There are four shorter (3.30 Å) and four longer (3.35 Å) In–In bond lengths. In the second In site, In is bonded in a 4-coordinate geometry to two equivalent Ce, two equivalent Co, and seven In atoms. There are a spread of In–In bond distances ranging from 2.90–3.30 Å. In the third In site, In is bonded in a 4-coordinate geometry to two equivalent Ce, two equivalent Co, and seven In atoms. Both In–In bond lengths are 3.29 Å. In the fourth In site, In is bonded to four equivalent Ce and eight In atoms to form distorted InCe4In8 cuboctahedra that share corners with eight equivalent InCe4In8 cuboctahedra, edges with four equivalent CeIn12 cuboctahedra, edges with eight equivalent InCe4In8 cuboctahedra, faces with four equivalent CeIn12 cuboctahedra, and faces with nine InCe4In8 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on CeInIr by Materials Project

CeIrIn crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Ce is bonded in a 11-coordinate geometry to five Ir and six equivalent In atoms. There are four shorter (3.04 Å) and one longer (3.12 Å) Ce–Ir bond lengths. There are two shorter (3.24 Å) and four longer (3.38 Å) Ce–In bond lengths. There are two inequivalent Ir sites. In the first Ir site, Ir is bonded in a 9-coordinate geometry to three equivalent Ce and six equivalent In atoms. All Ir–In bond lengths are 2.77 Å. In the second Ir site, Ir is bonded in a 9-coordinate geometry to six equivalent Ce and three equivalent In atoms. All Ir–In bond lengths are 2.88 Å. In is bonded in a 10-coordinate geometry to six equivalent Ce and four Ir atoms.

36 MATERIALS SCIENCE↗

Materials Data on CeInCu by Materials Project

CeCuIn crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Ce is bonded in a 11-coordinate geometry to five Cu and six equivalent In atoms. All Ce–Cu bond lengths are 3.08 Å. There are two shorter (3.27 Å) and four longer (3.44 Å) Ce–In bond lengths. There are two inequivalent Cu sites. In the first Cu site, Cu is bonded in a 9-coordinate geometry to six equivalent Ce and three equivalent In atoms. All Cu–In bond lengths are 2.83 Å. In the second Cu site, Cu is bonded in a 9-coordinate geometry to three equivalent Ce and six equivalent In atoms. All Cu–In bond lengths are 2.82 Å. In is bonded in a 12-coordinate geometry to six equivalent Ce, four Cu, and two equivalent In atoms. Both In–In bond lengths are 3.15 Å.

36 MATERIALS SCIENCE↗

Materials Data on CeFeGe3 by Materials Project

CeFeGe3 crystallizes in the tetragonal I4mm space group. The structure is three-dimensional. Ce is bonded in a 12-coordinate geometry to five equivalent Fe and twelve Ge atoms. There are one shorter (3.27 Å) and four longer (3.48 Å) Ce–Fe bond lengths. There are a spread of Ce–Ge bond distances ranging from 3.09–3.38 Å. Fe is bonded in a 5-coordinate geometry to five equivalent Ce and five Ge atoms. There are one shorter (2.26 Å) and four longer (2.33 Å) Fe–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 2-coordinate geometry to four equivalent Ce, two equivalent Fe, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.80 Å. In the second Ge site, Ge is bonded in a 1-coordinate geometry to four equivalent Ce, one Fe, and four equivalent Ge atoms.

36 MATERIALS SCIENCE↗

Materials Data on LiCeSn2 by Materials Project

LiCeSn2 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Li is bonded in a 5-coordinate geometry to four equivalent Ce and five Sn atoms. All Li–Ce bond lengths are 3.49 Å. There are a spread of Li–Sn bond distances ranging from 2.52–2.68 Å. Ce is bonded in a 4-coordinate geometry to four equivalent Li and ten Sn atoms. There are a spread of Ce–Sn bond distances ranging from 3.43–3.65 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded to four equivalent Li and four equivalent Ce atoms to form a mixture of distorted face and edge-sharing SnLi4Ce4 tetrahedra. In the second Sn site, Sn is bonded in a distorted single-bond geometry to one Li and six equivalent Ce atoms.

36 MATERIALS SCIENCE↗

Materials Data on CeSnIr by Materials Project

CeIrSn crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Ce is bonded in a 11-coordinate geometry to five Ir and six equivalent Sn atoms. There are four shorter (3.05 Å) and one longer (3.10 Å) Ce–Ir bond lengths. There are two shorter (3.23 Å) and four longer (3.39 Å) Ce–Sn bond lengths. There are two inequivalent Ir sites. In the first Ir site, Ir is bonded in a 9-coordinate geometry to three equivalent Ce and six equivalent Sn atoms. All Ir–Sn bond lengths are 2.79 Å. In the second Ir site, Ir is bonded in a 9-coordinate geometry to six equivalent Ce and three equivalent Sn atoms. All Ir–Sn bond lengths are 2.85 Å. Sn is bonded in a 10-coordinate geometry to six equivalent Ce and four Ir atoms.

36 MATERIALS SCIENCE↗

Materials Data on CeAl2 by Materials Project

CeAl2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Ce is bonded in a 12-coordinate geometry to four equivalent Ce and twelve equivalent Al atoms. All Ce–Ce bond lengths are 3.44 Å. All Ce–Al bond lengths are 3.30 Å. Al is bonded to six equivalent Ce and six equivalent Al atoms to form a mixture of edge, corner, and face-sharing AlCe6Al6 cuboctahedra. All Al–Al bond lengths are 2.81 Å.

36 MATERIALS SCIENCE↗

Materials Data on Ce3In by Materials Project

Ce3In is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ce is bonded to eight equivalent Ce and four equivalent In atoms to form distorted CeCe8In4 cuboctahedra that share corners with twelve equivalent CeCe8In4 cuboctahedra, edges with eight equivalent InCe12 cuboctahedra, edges with sixteen equivalent CeCe8In4 cuboctahedra, faces with four equivalent InCe12 cuboctahedra, and faces with fourteen equivalent CeCe8In4 cuboctahedra. All Ce–Ce bond lengths are 3.40 Å. All Ce–In bond lengths are 3.40 Å. In is bonded to twelve equivalent Ce atoms to form InCe12 cuboctahedra that share corners with twelve equivalent InCe12 cuboctahedra, edges with twenty-four equivalent CeCe8In4 cuboctahedra, faces with six equivalent InCe12 cuboctahedra, and faces with twelve equivalent CeCe8In4 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on CeCoGe3 by Materials Project

CeCoGe3 crystallizes in the tetragonal I4mm space group. The structure is three-dimensional. Ce is bonded in a 12-coordinate geometry to five equivalent Co and twelve Ge atoms. There are one shorter (3.22 Å) and four longer (3.48 Å) Ce–Co bond lengths. There are a spread of Ce–Ge bond distances ranging from 3.11–3.35 Å. Co is bonded in a 5-coordinate geometry to five equivalent Ce and five Ge atoms. There are one shorter (2.28 Å) and four longer (2.33 Å) Co–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 2-coordinate geometry to four equivalent Ce, two equivalent Co, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.76 Å. In the second Ge site, Ge is bonded in a 1-coordinate geometry to four equivalent Ce, one Co, and four equivalent Ge atoms.

36 MATERIALS SCIENCE↗

Materials Data on CeAlPd by Materials Project

CePdAl crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Ce is bonded in a 5-coordinate geometry to five Pd and six equivalent Al atoms. There are four shorter (3.00 Å) and one longer (3.03 Å) Ce–Pd bond lengths. There are two shorter (3.24 Å) and four longer (3.36 Å) Ce–Al bond lengths. There are two inequivalent Pd sites. In the first Pd site, Pd is bonded in a 9-coordinate geometry to three equivalent Ce and six equivalent Al atoms. All Pd–Al bond lengths are 2.68 Å. In the second Pd site, Pd is bonded in a 9-coordinate geometry to six equivalent Ce and three equivalent Al atoms. All Pd–Al bond lengths are 2.82 Å. Al is bonded in a 4-coordinate geometry to six equivalent Ce and four Pd atoms.

36 MATERIALS SCIENCE↗

Materials Data on CeInPd by Materials Project

CePdIn crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Ce is bonded in a 11-coordinate geometry to five Pd and six equivalent In atoms. There are four shorter (3.07 Å) and one longer (3.19 Å) Ce–Pd bond lengths. There are two shorter (3.27 Å) and four longer (3.45 Å) Ce–In bond lengths. There are two inequivalent Pd sites. In the first Pd site, Pd is bonded in a 9-coordinate geometry to three equivalent Ce and six equivalent In atoms. All Pd–In bond lengths are 2.79 Å. In the second Pd site, Pd is bonded in a 9-coordinate geometry to six equivalent Ce and three equivalent In atoms. All Pd–In bond lengths are 2.93 Å. In is bonded in a 10-coordinate geometry to six equivalent Ce and four Pd atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ce3Al by Materials Project

Ce3Al crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ce is bonded in a 12-coordinate geometry to eight equivalent Ce and four equivalent Al atoms. There are a spread of Ce–Ce bond distances ranging from 3.01–3.70 Å. There are two shorter (3.16 Å) and two longer (3.36 Å) Ce–Al bond lengths. Al is bonded to twelve equivalent Ce atoms to form a mixture of face and corner-sharing AlCe12 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on Ce3Tl by Materials Project

Ce3Tl is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ce is bonded to eight equivalent Ce and four equivalent Tl atoms to form distorted CeCe8Tl4 cuboctahedra that share corners with twelve equivalent CeCe8Tl4 cuboctahedra, edges with eight equivalent TlCe12 cuboctahedra, edges with sixteen equivalent CeCe8Tl4 cuboctahedra, faces with four equivalent TlCe12 cuboctahedra, and faces with fourteen equivalent CeCe8Tl4 cuboctahedra. All Ce–Ce bond lengths are 3.42 Å. All Ce–Tl bond lengths are 3.42 Å. Tl is bonded to twelve equivalent Ce atoms to form TlCe12 cuboctahedra that share corners with twelve equivalent TlCe12 cuboctahedra, edges with twenty-four equivalent CeCe8Tl4 cuboctahedra, faces with six equivalent TlCe12 cuboctahedra, and faces with twelve equivalent CeCe8Tl4 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on CeMg2 by Materials Project

CeMg2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Mg is bonded to six equivalent Mg and six equivalent Ce atoms to form a mixture of corner, edge, and face-sharing MgCe6Mg6 cuboctahedra. All Mg–Mg bond lengths are 3.05 Å. All Mg–Ce bond lengths are 3.58 Å. Ce is bonded in a 12-coordinate geometry to twelve equivalent Mg and four equivalent Ce atoms. All Ce–Ce bond lengths are 3.73 Å.

36 MATERIALS SCIENCE↗

Materials Data on CeInNi by Materials Project

CeNiIn crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Ce is bonded in a 11-coordinate geometry to five Ni and six equivalent In atoms. There are four shorter (2.99 Å) and one longer (3.05 Å) Ce–Ni bond lengths. There are two shorter (3.19 Å) and four longer (3.33 Å) Ce–In bond lengths. There are two inequivalent Ni sites. In the first Ni site, Ni is bonded in a 9-coordinate geometry to six equivalent Ce and three equivalent In atoms. All Ni–In bond lengths are 2.81 Å. In the second Ni site, Ni is bonded in a 9-coordinate geometry to three equivalent Ce and six equivalent In atoms. All Ni–In bond lengths are 2.71 Å. In is bonded in a 12-coordinate geometry to six equivalent Ce and four Ni atoms.

36 MATERIALS SCIENCE↗

Materials Data on CeSnPt by Materials Project

CePtSn crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Ce is bonded in a 11-coordinate geometry to five Pt and six equivalent Sn atoms. There are four shorter (3.10 Å) and one longer (3.13 Å) Ce–Pt bond lengths. There are two shorter (3.29 Å) and four longer (3.44 Å) Ce–Sn bond lengths. There are two inequivalent Pt sites. In the first Pt site, Pt is bonded in a 9-coordinate geometry to six equivalent Ce and three equivalent Sn atoms. All Pt–Sn bond lengths are 2.89 Å. In the second Pt site, Pt is bonded in a 9-coordinate geometry to three equivalent Ce and six equivalent Sn atoms. All Pt–Sn bond lengths are 2.83 Å. Sn is bonded in a 10-coordinate geometry to six equivalent Ce and four Pt atoms.

36 MATERIALS SCIENCE↗