Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Ge-Rh-Tb”

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 TbGeRh by Materials Project

TbRhGe crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Tb is bonded in a 9-coordinate geometry to six equivalent Rh and five equivalent Ge atoms. There are a spread of Tb–Rh bond distances ranging from 3.01–3.37 Å. There are a spread of Tb–Ge bond distances ranging from 3.02–3.04 Å. Rh is bonded in a 10-coordinate geometry to six equivalent Tb and four equivalent Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.56–2.65 Å. Ge is bonded in a 9-coordinate geometry to five equivalent Tb and four equivalent Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb(GeRh)2 by Materials Project

TbRh2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Tb is bonded in a 8-coordinate geometry to eight equivalent Rh and eight equivalent Ge atoms. All Tb–Rh bond lengths are 3.33 Å. All Tb–Ge bond lengths are 3.19 Å. Rh is bonded to four equivalent Tb and four equivalent Ge atoms to form a mixture of distorted edge, face, and corner-sharing RhTb4Ge4 tetrahedra. All Rh–Ge bond lengths are 2.47 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Tb, four equivalent Rh, and one Ge atom. The Ge–Ge bond length is 2.53 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb5(Ge5Rh2)2 by Materials Project

Tb5(Rh2Ge5)2 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. there are three inequivalent Tb sites. In the first Tb site, Tb is bonded in a 8-coordinate geometry to four equivalent Rh and twelve Ge atoms. All Tb–Rh bond lengths are 3.23 Å. There are eight shorter (3.01 Å) and four longer (3.36 Å) Tb–Ge bond lengths. In the second Tb site, Tb is bonded to four equivalent Rh and eight Ge atoms to form face-sharing TbGe8Rh4 cuboctahedra. All Tb–Rh bond lengths are 3.13 Å. There are a spread of Tb–Ge bond distances ranging from 2.96–3.13 Å. In the third Tb site, Tb is bonded in a 8-coordinate geometry to four equivalent Rh and ten Ge atoms. All Tb–Rh bond lengths are 3.35 Å. There are a spread of Tb–Ge bond distances ranging from 3.26–3.34 Å. Rh is bonded in a 10-coordinate geometry to five Tb and five Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.45–2.58 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to six Tb, two equivalent Rh, and one Ge atom. The Ge–Ge bond length is 2.46 Å. In the second Ge site, Ge is bonded in a 2-coordinate geometry to five Tb, two equivalent Rh, and one Ge atom. The Ge–Ge bond length is 2.57 Å. In the third Ge site, Ge is bonded in a 2-coordinate geometry to four Tb and two equivalent Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb2Ge5Rh3 by Materials Project

Tb2Rh3Ge5 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Tb is bonded in a 1-coordinate geometry to eight Ge atoms. There are a spread of Tb–Ge bond distances ranging from 3.01–3.32 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 6-coordinate geometry to six Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.51–2.71 Å. In the second Rh site, Rh is bonded in a 5-coordinate geometry to five Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.41–2.52 Å. There are four inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to four equivalent Tb, three Rh, and two Ge atoms. Both Ge–Ge bond lengths are 2.69 Å. In the second Ge site, Ge is bonded in a 3-coordinate geometry to three Rh and four Ge atoms. Both Ge–Ge bond lengths are 2.98 Å. In the third Ge site, Ge is bonded in a 4-coordinate geometry to four equivalent Tb and four equivalent Rh atoms. In the fourth Ge site, Ge is bonded in a 2-coordinate geometry to four equivalent Tb, three Rh, and four Ge atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb3Ge13Rh4 by Materials Project

Tb3Rh4Ge13 crystallizes in the cubic Pm-3n space group. The structure is three-dimensional. Tb is bonded in a 8-coordinate geometry to four equivalent Rh and twelve equivalent Ge atoms. All Tb–Rh bond lengths are 3.20 Å. There are eight shorter (3.14 Å) and four longer (3.24 Å) Tb–Ge bond lengths. Rh is bonded in a 6-coordinate geometry to three equivalent Tb and six equivalent Ge atoms. All Rh–Ge bond lengths are 2.51 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 6-coordinate geometry to three equivalent Tb, two equivalent Rh, and two Ge atoms. There are one shorter (2.67 Å) and one longer (3.11 Å) Ge–Ge bond lengths. In the second Ge site, Ge is bonded in a cuboctahedral geometry to twelve equivalent Ge atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb3(GeRh)2 by Materials Project

Tb3(RhGe)2 crystallizes in the orthorhombic Pbcm space group. The structure is three-dimensional. there are two inequivalent Tb sites. In the first Tb site, Tb is bonded in a 9-coordinate geometry to four equivalent Rh and five Ge atoms. There are two shorter (3.04 Å) and two longer (3.08 Å) Tb–Rh bond lengths. There are a spread of Tb–Ge bond distances ranging from 3.03–3.32 Å. In the second Tb site, Tb is bonded in a 7-coordinate geometry to four equivalent Rh and five Ge atoms. There are a spread of Tb–Rh bond distances ranging from 2.92–3.15 Å. There are a spread of Tb–Ge bond distances ranging from 3.01–3.37 Å. Rh is bonded in a 9-coordinate geometry to six Tb and three Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.55–2.62 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to seven Tb and two equivalent Rh atoms. In the second Ge site, Ge is bonded in a 12-coordinate geometry to eight Tb and four equivalent Rh atoms.

36 MATERIALS SCIENCE↗