Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Co-Dy-Ge”

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 Dy(CoGe)2 by Materials Project

DyCo2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy is bonded in a 8-coordinate geometry to eight equivalent Co and eight equivalent Ge atoms. All Dy–Co bond lengths are 3.22 Å. All Dy–Ge bond lengths are 3.09 Å. Co is bonded to four equivalent Dy and four equivalent Ge atoms to form a mixture of distorted edge, face, and corner-sharing CoDy4Ge4 tetrahedra. All Co–Ge bond lengths are 2.34 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Dy, four equivalent Co, and one Ge atom. The Ge–Ge bond length is 2.59 Å.

36 MATERIALS SCIENCE↗

Materials Data on Dy2Co3Ge5 by Materials Project

Dy2Co3Ge5 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Dy is bonded in a 1-coordinate geometry to ten Ge atoms. There are a spread of Dy–Ge bond distances ranging from 2.89–3.23 Å. There are two inequivalent Co sites. In the first Co site, Co is bonded in a 12-coordinate geometry to six Ge atoms. There are a spread of Co–Ge bond distances ranging from 2.41–2.71 Å. In the second Co site, Co is bonded in a 5-coordinate geometry to five Ge atoms. There are a spread of Co–Ge bond distances ranging from 2.32–2.42 Å. There are four inequivalent Ge sites. In the first Ge site, Ge is bonded in a 4-coordinate geometry to four equivalent Dy and four equivalent Co atoms. In the second Ge site, Ge is bonded in a 2-coordinate geometry to four equivalent Dy, three Co, and four Ge atoms. There are two shorter (2.66 Å) and two longer (2.86 Å) Ge–Ge bond lengths. In the third Ge site, Ge is bonded in a 9-coordinate geometry to four equivalent Dy, three Co, and two Ge atoms. The Ge–Ge bond length is 2.65 Å. In the fourth Ge site, Ge is bonded in a 5-coordinate geometry to four equivalent Dy, three Co, and four Ge atoms.

36 MATERIALS SCIENCE↗

Materials Data on DyCoGe by Materials Project

DyCoGe crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Dy is bonded in a 9-coordinate geometry to four equivalent Co and six equivalent Ge atoms. There are a spread of Dy–Co bond distances ranging from 2.84–2.94 Å. There are a spread of Dy–Ge bond distances ranging from 2.96–3.19 Å. Co is bonded in a 8-coordinate geometry to four equivalent Dy and four equivalent Ge atoms. There are a spread of Co–Ge bond distances ranging from 2.44–2.55 Å. Ge is bonded in a 10-coordinate geometry to six equivalent Dy and four equivalent Co atoms.

36 MATERIALS SCIENCE↗

Materials Data on Dy3Co4Ge13 by Materials Project

Dy3Co4Ge13 crystallizes in the cubic Pm-3n space group. The structure is three-dimensional. Dy is bonded in a 12-coordinate geometry to four equivalent Co and twelve equivalent Ge atoms. All Dy–Co bond lengths are 3.10 Å. There are four shorter (3.08 Å) and eight longer (3.10 Å) Dy–Ge bond lengths. Co is bonded in a 6-coordinate geometry to three equivalent Dy and six equivalent Ge atoms. All Co–Ge bond lengths are 2.40 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 2-coordinate geometry to three equivalent Dy, two equivalent Co, and one Ge atom. The Ge–Ge bond length is 2.98 Å. In the second Ge site, Ge is bonded in a cuboctahedral geometry to twelve equivalent Ge atoms.

36 MATERIALS SCIENCE↗

Materials Data on Dy3(CoGe2)2 by Materials Project

Dy3(CoGe2)2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Dy sites. In the first Dy site, Dy is bonded in a 12-coordinate geometry to four equivalent Co and eight Ge atoms. There are a spread of Dy–Co bond distances ranging from 2.88–3.22 Å. There are a spread of Dy–Ge bond distances ranging from 2.95–3.26 Å. In the second Dy site, Dy is bonded in a 6-coordinate geometry to eight Ge atoms. There are a spread of Dy–Ge bond distances ranging from 2.98–3.33 Å. Co is bonded in a 4-coordinate geometry to four equivalent Dy and four Ge atoms. There are a spread of Co–Ge bond distances ranging from 2.35–2.42 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 10-coordinate geometry to six Dy, three equivalent Co, and one Ge atom. The Ge–Ge bond length is 2.99 Å. In the second Ge site, Ge is bonded in a 6-coordinate geometry to six Dy, one Co, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.71 Å.

36 MATERIALS SCIENCE↗