Search NASA⌕ Search

SEARCH · Search NASA

Results for “Nb-Pd”

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.

8 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on NbPd3 by Materials Project

NbPd3 is Uranium Silicide-like structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Nb is bonded to twelve Pd atoms to form NbPd12 cuboctahedra that share corners with four equivalent NbPd12 cuboctahedra, corners with eight equivalent PdNb4Pd8 cuboctahedra, edges with eight equivalent NbPd12 cuboctahedra, edges with sixteen equivalent PdNb4Pd8 cuboctahedra, faces with four equivalent NbPd12 cuboctahedra, and faces with fourteen PdNb4Pd8 cuboctahedra. There are four shorter (2.79 Å) and eight longer (2.83 Å) Nb–Pd bond lengths. There are two inequivalent Pd sites. In the first Pd site, Pd is bonded to four equivalent Nb and eight equivalent Pd atoms to form distorted PdNb4Pd8 cuboctahedra that share corners with four equivalent PdNb4Pd8 cuboctahedra, corners with eight equivalent NbPd12 cuboctahedra, edges with twenty-four PdNb4Pd8 cuboctahedra, faces with six equivalent NbPd12 cuboctahedra, and faces with twelve PdNb4Pd8 cuboctahedra. All Pd–Pd bond lengths are 2.83 Å. In the second Pd site, Pd is bonded to four equivalent Nb and eight Pd atoms to form distorted PdNb4Pd8 cuboctahedra that share corners with twelve equivalent PdNb4Pd8 cuboctahedra, edges with eight equivalent NbPd12 cuboctahedra, edges with sixteen PdNb4Pd8 cuboctahedra, faces with four equivalent NbPd12 cuboctahedra, and faces with fourteen PdNb4Pd8 cuboctahedra. All Pd–Pd bond lengths are 2.79 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NbPd3 by Materials Project

NbPd3 is beta Cu3Ti-like structured and crystallizes in the orthorhombic Pmmn space group. The structure is three-dimensional. there are two inequivalent Nb sites. In the first Nb site, Nb is bonded to twelve Pd atoms to form NbPd12 cuboctahedra that share corners with three NbPd12 cuboctahedra, corners with ten PdNb4Pd8 cuboctahedra, edges with seven NbPd12 cuboctahedra, edges with fourteen PdNb4Pd8 cuboctahedra, faces with five NbPd12 cuboctahedra, and faces with twelve PdNb4Pd8 cuboctahedra. There are a spread of Nb–Pd bond distances ranging from 2.75–2.88 Å. In the second Nb site, Nb is bonded to twelve Pd atoms to form NbPd12 cuboctahedra that share corners with four NbPd12 cuboctahedra, corners with four equivalent PdNb4Pd8 cuboctahedra, edges with eight NbPd12 cuboctahedra, edges with sixteen PdNb4Pd8 cuboctahedra, faces with four equivalent NbPd12 cuboctahedra, and faces with twelve PdNb4Pd8 cuboctahedra. There are a spread of Nb–Pd bond distances ranging from 2.78–2.84 Å. There are four inequivalent Pd sites. In the first Pd site, Pd is bonded to four Nb and eight Pd atoms to form distorted PdNb4Pd8 cuboctahedra that share corners with two equivalent NbPd12 cuboctahedra, corners with thirteen PdNb4Pd8 cuboctahedra, edges with seven NbPd12 cuboctahedra, edges with eleven PdNb4Pd8 cuboctahedra, faces with four NbPd12 cuboctahedra, and faces with fourteen PdNb4Pd8 cuboctahedra. There are a spread of Pd–Pd bond distances ranging from 2.78–2.86 Å. In the second Pd site, Pd is bonded to four Nb and eight Pd atoms to form distorted PdNb4Pd8 cuboctahedra that share corners with twelve PdNb4Pd8 cuboctahedra, edges with eight NbPd12 cuboctahedra, edges with fourteen PdNb4Pd8 cuboctahedra, faces with four NbPd12 cuboctahedra, and faces with twelve PdNb4Pd8 cuboctahedra. There are a spread of Pd–Pd bond distances ranging from 2.78–2.87 Å. In the third Pd site, Pd is bonded to four Nb and eight Pd atoms to form distorted PdNb4Pd8 cuboctahedra that share corners with six PdNb4Pd8 cuboctahedra, corners with eight NbPd12 cuboctahedra, edges with eighteen PdNb4Pd8 cuboctahedra, faces with six NbPd12 cuboctahedra, and faces with eleven PdNb4Pd8 cuboctahedra. In the fourth Pd site, Pd is bonded in a distorted see-saw-like geometry to four Nb and eight Pd atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NbPd2 by Materials Project

NbPd2 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. Nb is bonded to ten equivalent Pd atoms to form distorted NbPd10 cuboctahedra that share corners with eighteen equivalent PdNb5Pd7 cuboctahedra, edges with four equivalent PdNb5Pd7 cuboctahedra, edges with twelve equivalent NbPd10 cuboctahedra, faces with four equivalent NbPd10 cuboctahedra, and faces with fourteen equivalent PdNb5Pd7 cuboctahedra. There are eight shorter (2.81 Å) and two longer (2.85 Å) Nb–Pd bond lengths. Pd is bonded to five equivalent Nb and seven equivalent Pd atoms to form distorted PdNb5Pd7 cuboctahedra that share corners with seven equivalent PdNb5Pd7 cuboctahedra, corners with nine equivalent NbPd10 cuboctahedra, edges with two equivalent NbPd10 cuboctahedra, edges with eighteen equivalent PdNb5Pd7 cuboctahedra, faces with seven equivalent NbPd10 cuboctahedra, and faces with eleven equivalent PdNb5Pd7 cuboctahedra. There are five shorter (2.82 Å) and two longer (2.88 Å) Pd–Pd bond lengths.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NbPd4 by Materials Project

NbPd4 crystallizes in the trigonal R-3m space group. The structure is three-dimensional. Nb is bonded to six equivalent Nb and six equivalent Pd atoms to form distorted NbNb6Pd6 cuboctahedra that share corners with six equivalent NbNb6Pd6 cuboctahedra, corners with six PdPd12 cuboctahedra, edges with six equivalent NbNb6Pd6 cuboctahedra, edges with eighteen PdNb3Pd9 cuboctahedra, faces with six equivalent NbNb6Pd6 cuboctahedra, and faces with twelve equivalent PdNb3Pd9 cuboctahedra. All Nb–Nb bond lengths are 2.84 Å. All Nb–Pd bond lengths are 2.80 Å. There are eight inequivalent Pd sites. In the first Pd site, Pd is bonded to three equivalent Nb and nine Pd atoms to form distorted PdNb3Pd9 cuboctahedra that share corners with twelve PdNb3Pd9 cuboctahedra, edges with six equivalent NbNb6Pd6 cuboctahedra, edges with eighteen PdNb3Pd9 cuboctahedra, faces with six equivalent NbNb6Pd6 cuboctahedra, and faces with twelve PdNb3Pd9 cuboctahedra. All Pd–Pd bond lengths are 2.84 Å. In the second Pd site, Pd is bonded to twelve Pd atoms to form PdPd12 cuboctahedra that share corners with three equivalent NbNb6Pd6 cuboctahedra, corners with nine PdNb3Pd9 cuboctahedra, edges with three equivalent NbNb6Pd6 cuboctahedra, edges with twenty-one PdNb3Pd9 cuboctahedra, and faces with eighteen PdNb3Pd9 cuboctahedra. There are three shorter (2.82 Å) and six longer (2.84 Å) Pd–Pd bond lengths. In the third Pd site, Pd is bonded to twelve Pd atoms to form PdPd12 cuboctahedra that share corners with three equivalent NbNb6Pd6 cuboctahedra, corners with nine PdNb3Pd9 cuboctahedra, edges with three equivalent NbNb6Pd6 cuboctahedra, edges with twenty-one PdNb3Pd9 cuboctahedra, and faces with eighteen PdNb3Pd9 cuboctahedra. All Pd–Pd bond lengths are 2.84 Å. In the fourth Pd site, Pd is bonded to twelve Pd atoms to form PdPd12 cuboctahedra that share corners with three equivalent NbNb6Pd6 cuboctahedra, corners with nine PdPd12 cuboctahedra, edges with three equivalent NbNb6Pd6 cuboctahedra, edges with twenty-one PdPd12 cuboctahedra, and faces with eighteen PdPd12 cuboctahedra. There are three shorter (2.82 Å) and nine longer (2.84 Å) Pd–Pd bond lengths. In the fifth Pd site, Pd is bonded to twelve Pd atoms to form PdPd12 cuboctahedra that share corners with three equivalent NbNb6Pd6 cuboctahedra, corners with nine PdPd12 cuboctahedra, edges with three equivalent NbNb6Pd6 cuboctahedra, edges with twenty-one PdPd12 cuboctahedra, and faces with eighteen PdPd12 cuboctahedra. All Pd–Pd bond lengths are 2.84 Å. In the sixth Pd site, Pd is bonded to twelve Pd atoms to form PdPd12 cuboctahedra that share corners with three equivalent NbNb6Pd6 cuboctahedra, corners with fourteen PdPd12 cuboctahedra, edges with three equivalent NbNb6Pd6 cuboctahedra, edges with nineteen PdNb3Pd9 cuboctahedra, and faces with twenty-one PdNb3Pd9 cuboctahedra. There are three shorter (2.82 Å) and nine longer (2.84 Å) Pd–Pd bond lengths. In the seventh Pd site, Pd is bonded to sixteen Pd atoms to form PdPd16 cuboctahedra that share corners with three equivalent NbNb6Pd6 cuboctahedra, corners with nineteen PdNb3Pd9 cuboctahedra, edges with three equivalent NbNb6Pd6 cuboctahedra, edges with twenty-one PdNb3Pd9 cuboctahedra, and faces with thirty-four PdPd12 cuboctahedra. There are a spread of Pd–Pd bond distances ranging from 2.84–5.67 Å. In the eighth Pd site, Pd is bonded to three equivalent Nb and nine Pd atoms to form distorted PdNb3Pd9 cuboctahedra that share corners with seventeen PdNb3Pd9 cuboctahedra, edges with six equivalent NbNb6Pd6 cuboctahedra, edges with sixteen PdNb3Pd9 cuboctahedra, faces with six equivalent NbNb6Pd6 cuboctahedra, and faces with fifteen PdPd16 cuboctahedra. All Pd–Nb bond lengths are 2.80 Å. All Pd–Pd bond lengths are 2.84 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NbPd by Materials Project

Pd1Nb1 crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are three inequivalent Nb sites. In the first Nb site, Nb is bonded to six equivalent Nb and six equivalent Pd atoms to form distorted NbNb6Pd6 cuboctahedra that share corners with twelve NbNb6Pd6 cuboctahedra, edges with twelve NbNb6Pd6 cuboctahedra, edges with twelve equivalent PdNb6Pd6 cuboctahedra, faces with six equivalent NbNb6Pd6 cuboctahedra, and faces with twelve equivalent PdNb6Pd6 cuboctahedra. All Nb–Nb bond lengths are 2.87 Å. All Nb–Pd bond lengths are 2.88 Å. In the second Nb site, Nb is bonded to six equivalent Nb and six Pd atoms to form distorted NbNb6Pd6 cuboctahedra that share corners with five equivalent PdNb6Pd10 cuboctahedra, corners with twelve NbNb6Pd6 cuboctahedra, edges with ten PdNb6Pd6 cuboctahedra, edges with twelve NbNb6Pd6 cuboctahedra, faces with six equivalent NbNb6Pd6 cuboctahedra, and faces with fifteen PdNb6Pd6 cuboctahedra. All Nb–Nb bond lengths are 2.87 Å. All Nb–Pd bond lengths are 2.88 Å. In the third Nb site, Nb is bonded to six equivalent Nb and six Pd atoms to form distorted NbNb6Pd6 cuboctahedra that share corners with five equivalent PdNb6Pd10 cuboctahedra, corners with twelve NbNb6Pd6 cuboctahedra, edges with ten PdNb6Pd6 cuboctahedra, edges with twelve NbNb6Pd6 cuboctahedra, faces with six equivalent NbNb6Pd6 cuboctahedra, and faces with fifteen PdNb6Pd6 cuboctahedra. All Nb–Nb bond lengths are 2.87 Å. All Nb–Pd bond lengths are 2.88 Å. There are two inequivalent Pd sites. In the first Pd site, Pd is bonded to six Nb and six equivalent Pd atoms to form distorted PdNb6Pd6 cuboctahedra that share corners with twelve PdNb6Pd6 cuboctahedra, edges with twelve NbNb6Pd6 cuboctahedra, edges with twelve PdNb6Pd6 cuboctahedra, faces with six equivalent PdNb6Pd6 cuboctahedra, and faces with twelve NbNb6Pd6 cuboctahedra. All Pd–Pd bond lengths are 2.87 Å. In the second Pd site, Pd is bonded to six Nb and ten equivalent Pd atoms to form distorted PdNb6Pd10 cuboctahedra that share corners with ten NbNb6Pd6 cuboctahedra, corners with twelve PdNb6Pd6 cuboctahedra, edges with eight NbNb6Pd6 cuboctahedra, edges with sixteen PdNb6Pd6 cuboctahedra, faces with sixteen equivalent PdNb6Pd10 cuboctahedra, and faces with eighteen NbNb6Pd6 cuboctahedra. There are a spread of Pd–Pd bond distances ranging from 2.87–5.75 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Nb3Pd by Materials Project

Nb3Pd crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. there are two inequivalent Nb sites. In the first Nb site, Nb is bonded in a 2-coordinate geometry to two equivalent Nb and two equivalent Pd atoms. Both Nb–Nb bond lengths are 2.92 Å. Both Nb–Pd bond lengths are 2.79 Å. In the second Nb site, Nb is bonded in a distorted body-centered cubic geometry to eight Nb atoms. All Nb–Nb bond lengths are 2.81 Å. Pd is bonded to four equivalent Nb atoms to form distorted edge-sharing PdNb4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Nb4Pd by Materials Project

Nb4Pd crystallizes in the orthorhombic Fmmm space group. The structure is three-dimensional. there are two inequivalent Nb sites. In the first Nb site, Nb is bonded in a 2-coordinate geometry to two equivalent Nb and two equivalent Pd atoms. Both Nb–Nb bond lengths are 2.90 Å. Both Nb–Pd bond lengths are 2.78 Å. In the second Nb site, Nb is bonded in a distorted body-centered cubic geometry to eight Nb atoms. There are four shorter (2.83 Å) and two longer (2.95 Å) Nb–Nb bond lengths. Pd is bonded to four equivalent Nb atoms to form distorted edge-sharing PdNb4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Nb2Pd by Materials Project

Nb2Pd crystallizes in the orthorhombic Fmmm space group. The structure is two-dimensional and consists of two Nb2Pd sheets oriented in the (0, 0, 1) direction. Nb is bonded in a 12-coordinate geometry to four equivalent Pd atoms. There are two shorter (2.81 Å) and two longer (3.03 Å) Nb–Pd bond lengths. Pd is bonded to eight equivalent Nb and four equivalent Pd atoms to form a mixture of distorted corner and face-sharing PdNb8Pd4 cuboctahedra. All Pd–Pd bond lengths are 2.82 Å.

36 MATERIALS SCIENCE↗