Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “GePd”

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 19 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Yb3(GePd)4 by Materials Project

Yb3Pd4Ge4 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are two inequivalent Yb sites. In the first Yb site, Yb is bonded to six Ge atoms to form distorted edge-sharing YbGe6 octahedra. There are two shorter (3.07 Å) and four longer (3.12 Å) Yb–Ge bond lengths. In the second Yb site, Yb is bonded in a 12-coordinate geometry to six equivalent Pd and six Ge atoms. There are four shorter (3.08 Å) and two longer (3.11 Å) Yb–Pd bond lengths. There are two shorter (2.98 Å) and four longer (3.02 Å) Yb–Ge bond lengths. Pd is bonded in a 12-coordinate geometry to three equivalent Yb and four Ge atoms. There are a spread of Pd–Ge bond distances ranging from 2.59–2.62 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to six Yb, two equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.55 Å. In the second Ge site, Ge is bonded in a 9-coordinate geometry to three Yb and six equivalent Pd atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Np(GePd)2 by Materials Project

Np(PdGe)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Np is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent Ge atoms. All Np–Pd bond lengths are 3.38 Å. All Np–Ge bond lengths are 3.21 Å. Pd is bonded to four equivalent Np and four equivalent Ge atoms to form a mixture of distorted corner, edge, and face-sharing PdNp4Ge4 tetrahedra. All Pd–Ge bond lengths are 2.53 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Np, four equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.45 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ce(GePd)2 by Materials Project

CePd2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ce is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent Ge atoms. All Ce–Pd bond lengths are 3.35 Å. All Ce–Ge bond lengths are 3.29 Å. Pd is bonded in a 4-coordinate geometry to four equivalent Ce and four equivalent Ge atoms. All Pd–Ge bond lengths are 2.54 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Ce, four equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.46 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on GePd by Materials Project

PdGe is Modderite structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Pd is bonded in a 6-coordinate geometry to six equivalent Ge atoms. There are a spread of Pd–Ge bond distances ranging from 2.52–2.68 Å. Ge is bonded in a 6-coordinate geometry to six equivalent Pd atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ca(GePd)2 by Materials Project

Ca(PdGe)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ca is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent Ge atoms. All Ca–Pd bond lengths are 3.35 Å. All Ca–Ge bond lengths are 3.34 Å. Pd is bonded in a 4-coordinate geometry to four equivalent Ca and four equivalent Ge atoms. All Pd–Ge bond lengths are 2.53 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Ca, four equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.53 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La(GePd)2 by Materials Project

LaPd2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. La is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent Ge atoms. All La–Pd bond lengths are 3.37 Å. All La–Ge bond lengths are 3.37 Å. Pd is bonded in a 4-coordinate geometry to four equivalent La and four equivalent Ge atoms. All Pd–Ge bond lengths are 2.55 Å. Ge is bonded in a 9-coordinate geometry to four equivalent La, four equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.53 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(GePd)2 by Materials Project

Dy(PdGe)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent Ge atoms. All Dy–Pd bond lengths are 3.32 Å. All Dy–Ge bond lengths are 3.27 Å. Pd is bonded in a 4-coordinate geometry to four equivalent Dy and four equivalent Ge atoms. All Pd–Ge bond lengths are 2.52 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Dy, four equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.44 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La3(GePd)4 by Materials Project

La3Pd4Ge4 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are two inequivalent La sites. In the first La site, La is bonded in a 12-coordinate geometry to eight Pd and six Ge atoms. There are a spread of La–Pd bond distances ranging from 3.33–3.41 Å. There are two shorter (3.28 Å) and four longer (3.30 Å) La–Ge bond lengths. In the second La site, La is bonded to four equivalent Pd and eight equivalent Ge atoms to form a mixture of face and edge-sharing LaGe8Pd4 cuboctahedra. All La–Pd bond lengths are 3.25 Å. All La–Ge bond lengths are 3.32 Å. There are two inequivalent Pd sites. In the first Pd site, Pd is bonded in a 3-coordinate geometry to six La and three Ge atoms. There are two shorter (2.52 Å) and one longer (2.53 Å) Pd–Ge bond lengths. In the second Pd site, Pd is bonded in a 4-coordinate geometry to four equivalent La and four equivalent Ge atoms. There are two shorter (2.52 Å) and two longer (2.60 Å) Pd–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 2-coordinate geometry to six La, two equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.53 Å. In the second Ge site, Ge is bonded in a 9-coordinate geometry to four equivalent La and five Pd atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sm(GePd)2 by Materials Project

Sm(PdGe)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Sm is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent Ge atoms. All Sm–Pd bond lengths are 3.34 Å. All Sm–Ge bond lengths are 3.30 Å. Pd is bonded in a 4-coordinate geometry to four equivalent Sm and four equivalent Ge atoms. All Pd–Ge bond lengths are 2.53 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Sm, four equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.48 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Yb(GePd)2 by Materials Project

YbPd2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Yb is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent Ge atoms. All Yb–Pd bond lengths are 3.33 Å. All Yb–Ge bond lengths are 3.31 Å. Pd is bonded in a 4-coordinate geometry to four equivalent Yb and four equivalent Ge atoms. All Pd–Ge bond lengths are 2.52 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Yb, four equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.49 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho3(GePd)4 by Materials Project

Ho3Pd4Ge4 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded in a 12-coordinate geometry to six equivalent Pd and six Ge atoms. There are four shorter (3.06 Å) and two longer (3.12 Å) Ho–Pd bond lengths. There are two shorter (3.03 Å) and four longer (3.04 Å) Ho–Ge bond lengths. In the second Ho site, Ho is bonded to six Ge atoms to form distorted edge-sharing HoGe6 octahedra. All Ho–Ge bond lengths are 3.04 Å. Pd is bonded in a 12-coordinate geometry to three equivalent Ho and four Ge atoms. There are one shorter (2.58 Å) and three longer (2.60 Å) Pd–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to three Ho and six equivalent Pd atoms. In the second Ge site, Ge is bonded in a 9-coordinate geometry to six Ho, two equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.68 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Th(GePd)2 by Materials Project

ThPd2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Th is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent Ge atoms. All Th–Pd bond lengths are 3.36 Å. All Th–Ge bond lengths are 3.30 Å. Pd is bonded in a 4-coordinate geometry to four equivalent Th and four equivalent Ge atoms. All Pd–Ge bond lengths are 2.54 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Th, four equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.48 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on U(GePd)2 by Materials Project

UPd2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. U is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent Ge atoms. All U–Pd bond lengths are 3.37 Å. All U–Ge bond lengths are 3.19 Å. Pd is bonded to four equivalent U and four equivalent Ge atoms to form a mixture of distorted face, edge, and corner-sharing PdU4Ge4 tetrahedra. All Pd–Ge bond lengths are 2.53 Å. Ge is bonded in a 9-coordinate geometry to four equivalent U, four equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.43 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Nd(GePd)2 by Materials Project

NdPd2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Nd is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent Ge atoms. All Nd–Pd bond lengths are 3.36 Å. All Nd–Ge bond lengths are 3.32 Å. Pd is bonded in a 4-coordinate geometry to four equivalent Nd and four equivalent Ge atoms. All Pd–Ge bond lengths are 2.54 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Nd, four equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.49 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho(GePd)2 by Materials Project

HoPd2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ho is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent Ge atoms. All Ho–Pd bond lengths are 3.32 Å. All Ho–Ge bond lengths are 3.25 Å. Pd is bonded in a 4-coordinate geometry to four equivalent Ho and four equivalent Ge atoms. All Pd–Ge bond lengths are 2.52 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Ho, four equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.43 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb(GePd)2 by Materials Project

TbPd2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Tb is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent Ge atoms. All Tb–Pd bond lengths are 3.33 Å. All Tb–Ge bond lengths are 3.26 Å. Pd is bonded in a 4-coordinate geometry to four equivalent Tb and four equivalent Ge atoms. All Pd–Ge bond lengths are 2.52 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Tb, four equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.44 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tm3(GePd)4 by Materials Project

Tm3(PdGe)4 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are two inequivalent Tm sites. In the first Tm site, Tm is bonded in a 12-coordinate geometry to six equivalent Pd and six Ge atoms. There are four shorter (3.04 Å) and two longer (3.12 Å) Tm–Pd bond lengths. There are two shorter (3.00 Å) and four longer (3.02 Å) Tm–Ge bond lengths. In the second Tm site, Tm is bonded to six Ge atoms to form distorted edge-sharing TmGe6 octahedra. All Tm–Ge bond lengths are 3.03 Å. Pd is bonded in a 12-coordinate geometry to three equivalent Tm and four Ge atoms. There are one shorter (2.55 Å) and three longer (2.59 Å) Pd–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to six Tm, two equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.67 Å. In the second Ge site, Ge is bonded in a 9-coordinate geometry to three Tm and six equivalent Pd atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sr(GePd)2 by Materials Project

SrPd2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Sr is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent Ge atoms. All Sr–Pd bond lengths are 3.40 Å. All Sr–Ge bond lengths are 3.41 Å. Pd is bonded in a 4-coordinate geometry to four equivalent Sr and four equivalent Ge atoms. All Pd–Ge bond lengths are 2.54 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Sr, four equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.67 Å.

36 MATERIALS SCIENCE↗