Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Ge-Rh-Yb”

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.

Materials Data on YbGeRh by Materials Project

YbRhGe crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Yb is bonded in a 9-coordinate geometry to four equivalent Rh and six equivalent Ge atoms. There are a spread of Yb–Rh bond distances ranging from 2.94–3.08 Å. There are a spread of Yb–Ge bond distances ranging from 3.04–3.29 Å. Rh is bonded in a 8-coordinate geometry to four equivalent Yb and four equivalent Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.51–2.56 Å. Ge is bonded in a 10-coordinate geometry to six equivalent Yb and four equivalent Rh atoms.

36 MATERIALS SCIENCE↗

Materials Data on Yb(GeRh)2 by Materials Project

Yb(RhGe)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Yb is bonded in a 8-coordinate geometry to eight equivalent Rh and eight equivalent Ge atoms. All Yb–Rh bond lengths are 3.33 Å. All Yb–Ge bond lengths are 3.22 Å. Rh is bonded to four equivalent Yb and four equivalent Ge atoms to form a mixture of distorted edge, face, and corner-sharing RhYb4Ge4 tetrahedra. All Rh–Ge bond lengths are 2.46 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Yb, four equivalent Rh, and one Ge atom. The Ge–Ge bond length is 2.59 Å.

36 MATERIALS SCIENCE↗

Materials Data on Yb4Ge6Rh7 by Materials Project

Yb4Rh7Ge6 crystallizes in the cubic Im-3m space group. The structure is three-dimensional. Yb is bonded to six equivalent Rh and six equivalent Ge atoms to form YbGe6Rh6 cuboctahedra that share corners with twelve equivalent YbGe6Rh6 cuboctahedra, faces with six equivalent YbGe6Rh6 cuboctahedra, and faces with two equivalent RhGe6 octahedra. All Yb–Rh bond lengths are 2.95 Å. All Yb–Ge bond lengths are 3.01 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded to six equivalent Ge atoms to form RhGe6 octahedra that share faces with eight equivalent YbGe6Rh6 cuboctahedra. All Rh–Ge bond lengths are 2.67 Å. In the second Rh site, Rh is bonded in a 8-coordinate geometry to four equivalent Yb and four equivalent Ge atoms. All Rh–Ge bond lengths are 2.57 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Yb and five Rh atoms.

36 MATERIALS SCIENCE↗

Materials Data on Yb3Ge13Rh4 by Materials Project

Yb3Rh4Ge13 crystallizes in the cubic Pm-3n space group. The structure is three-dimensional. Yb is bonded in a 8-coordinate geometry to four equivalent Rh and twelve equivalent Ge atoms. All Yb–Rh bond lengths are 3.19 Å. There are eight shorter (3.14 Å) and four longer (3.24 Å) Yb–Ge bond lengths. Rh is bonded in a 6-coordinate geometry to three equivalent Yb and six equivalent Ge atoms. All Rh–Ge bond lengths are 2.50 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 2-coordinate geometry to three equivalent Yb, two equivalent Rh, and two Ge atoms. There are one shorter (2.64 Å) and one longer (3.07 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↗

Materials Data on Yb5(Ge5Rh2)2 by Materials Project

Yb5Rh4Ge10 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. there are three inequivalent Yb sites. In the first Yb site, Yb is bonded in a 8-coordinate geometry to four equivalent Rh and twelve Ge atoms. All Yb–Rh bond lengths are 3.24 Å. There are eight shorter (2.98 Å) and four longer (3.31 Å) Yb–Ge bond lengths. In the second Yb site, Yb is bonded to four equivalent Rh and eight Ge atoms to form face-sharing YbGe8Rh4 cuboctahedra. All Yb–Rh bond lengths are 3.09 Å. There are a spread of Yb–Ge bond distances ranging from 2.98–3.14 Å. In the third Yb site, Yb is bonded in a 8-coordinate geometry to four equivalent Rh and ten Ge atoms. All Yb–Rh bond lengths are 3.37 Å. There are a spread of Yb–Ge bond distances ranging from 3.23–3.37 Å. Rh is bonded in a 10-coordinate geometry to five Yb and five Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.45–2.56 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to six Yb, two equivalent Rh, and one Ge atom. The Ge–Ge bond length is 2.41 Å. In the second Ge site, Ge is bonded in a 2-coordinate geometry to five Yb, two equivalent Rh, and one Ge atom. The Ge–Ge bond length is 2.63 Å. In the third Ge site, Ge is bonded in a 2-coordinate geometry to four Yb, two equivalent Rh, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.87 Å.

36 MATERIALS SCIENCE↗