Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “TbAlCu”

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.

2 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on TbAlCu by Materials Project

TbCuAl crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Tb is bonded in a 5-coordinate geometry to five Cu and six equivalent Al atoms. There are one shorter (2.91 Å) and four longer (2.93 Å) Tb–Cu bond lengths. There are two shorter (3.20 Å) and four longer (3.24 Å) Tb–Al bond lengths. There are two inequivalent Cu sites. In the first Cu site, Cu is bonded in a distorted q6 geometry to three equivalent Tb and six equivalent Al atoms. All Cu–Al bond lengths are 2.61 Å. In the second Cu site, Cu is bonded in a 9-coordinate geometry to six equivalent Tb and three equivalent Al atoms. All Cu–Al bond lengths are 2.76 Å. Al is bonded in a 12-coordinate geometry to six equivalent Tb, four Cu, and two equivalent Al atoms. Both Al–Al bond lengths are 2.84 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TbAlCu by Materials Project

TbCuAl crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. Tb is bonded in a 12-coordinate geometry to six equivalent Cu and six equivalent Al atoms. There are two shorter (3.12 Å) and four longer (3.19 Å) Tb–Cu bond lengths. There are two shorter (3.13 Å) and four longer (3.19 Å) Tb–Al bond lengths. Cu is bonded to six equivalent Tb, two equivalent Cu, and four equivalent Al atoms to form CuTb6Al4Cu2 cuboctahedra that share corners with eight equivalent AlTb6Al2Cu4 cuboctahedra, corners with ten equivalent CuTb6Al4Cu2 cuboctahedra, edges with six equivalent CuTb6Al4Cu2 cuboctahedra, faces with six equivalent CuTb6Al4Cu2 cuboctahedra, and faces with twelve equivalent AlTb6Al2Cu4 cuboctahedra. Both Cu–Cu bond lengths are 2.73 Å. All Cu–Al bond lengths are 2.69 Å. Al is bonded to six equivalent Tb, four equivalent Cu, and two equivalent Al atoms to form AlTb6Al2Cu4 cuboctahedra that share corners with eight equivalent CuTb6Al4Cu2 cuboctahedra, corners with ten equivalent AlTb6Al2Cu4 cuboctahedra, edges with six equivalent AlTb6Al2Cu4 cuboctahedra, faces with six equivalent AlTb6Al2Cu4 cuboctahedra, and faces with twelve equivalent CuTb6Al4Cu2 cuboctahedra. Both Al–Al bond lengths are 2.72 Å.

36 MATERIALS SCIENCE↗