Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Pb”

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 1,315 records · Page 73
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on La5NiPb3 by Materials Project

La5NiPb3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. there are two inequivalent La sites. In the first La site, La is bonded in a 7-coordinate geometry to two equivalent Ni and five equivalent Pb atoms. Both La–Ni bond lengths are 2.92 Å. There are a spread of La–Pb bond distances ranging from 3.38–3.93 Å. In the second La site, La is bonded in a 6-coordinate geometry to six equivalent Pb atoms. All La–Pb bond lengths are 3.45 Å. Ni is bonded to six equivalent La atoms to form face-sharing NiLa6 octahedra. Pb is bonded in a 9-coordinate geometry to nine La atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Pd3(PbS)2 by Materials Project

Pd3(PbS)2 crystallizes in the cubic I2_13 space group. The structure is three-dimensional. Pd is bonded in a 2-coordinate geometry to four equivalent Pb and two equivalent S atoms. There are two shorter (2.89 Å) and two longer (3.14 Å) Pd–Pb bond lengths. Both Pd–S bond lengths are 2.34 Å. Pb is bonded in a 7-coordinate geometry to six equivalent Pd and one S atom. The Pb–S bond length is 3.27 Å. S is bonded in a 3-coordinate geometry to three equivalent Pd and one Pb atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Al3Pb5F19 by Materials Project

Pb5Al3F19 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are three inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to six F1- atoms to form corner-sharing AlF6 octahedra. The corner-sharing octahedral tilt angles are 0°. There are a spread of Al–F bond distances ranging from 1.81–1.85 Å. In the second Al3+ site, Al3+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of Al–F bond distances ranging from 1.82–1.86 Å. In the third Al3+ site, Al3+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of Al–F bond distances ranging from 1.82–1.86 Å. There are five inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 9-coordinate geometry to nine F1- atoms. There are a spread of Pb–F bond distances ranging from 2.52–3.00 Å. In the second Pb2+ site, Pb2+ is bonded in a 1-coordinate geometry to eight F1- atoms. There are a spread of Pb–F bond distances ranging from 2.31–2.87 Å. In the third Pb2+ site, Pb2+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of Pb–F bond distances ranging from 2.50–2.88 Å. In the fourth Pb2+ site, Pb2+ is bonded in a 6-coordinate geometry to ten F1- atoms. There are a spread of Pb–F bond distances ranging from 2.46–3.16 Å. In the fifth Pb2+ site, Pb2+ is bonded in a 1-coordinate geometry to ten F1- atoms. There are a spread of Pb–F bond distances ranging from 2.32–3.13 Å. There are twenty inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted trigonal non-coplanar geometry to three Pb2+ atoms. In the second F1- site, F1- is bonded in a distorted single-bond geometry to one Al3+ and two Pb2+ atoms. In the third F1- site, F1- is bonded in a distorted single-bond geometry to one Al3+ and two Pb2+ atoms. In the fourth F1- site, F1- is bonded in a distorted single-bond geometry to one Al3+ and three Pb2+ atoms. In the fifth F1- site, F1- is bonded in a distorted single-bond geometry to one Al3+ and two Pb2+ atoms. In the sixth F1- site, F1- is bonded in a distorted single-bond geometry to one Al3+ and two Pb2+ atoms. In the seventh F1- site, F1- is bonded in a distorted single-bond geometry to one Al3+ and two Pb2+ atoms. In the eighth F1- site, F1- is bonded in a distorted single-bond geometry to one Al3+ and three Pb2+ atoms. In the ninth F1- site, F1- is bonded in a distorted single-bond geometry to one Al3+ and two Pb2+ atoms. In the tenth F1- site, F1- is bonded in a 1-coordinate geometry to four Pb2+ atoms. In the eleventh F1- site, F1- is bonded in a distorted single-bond geometry to one Al3+ and three Pb2+ atoms. In the twelfth F1- site, F1- is bonded in a distorted single-bond geometry to one Al3+ and two Pb2+ atoms. In the thirteenth F1- site, F1- is bonded in a distorted single-bond geometry to one Al3+ and three Pb2+ atoms. In the fourteenth F1- site, F1- is bonded in a distorted single-bond geometry to one Al3+ and two Pb2+ atoms. In the fifteenth F1- site, F1- is bonded in a linear geometry to two equivalent Al3+ atoms. In the sixteenth F1- site, F1- is bonded in a distorted single-bond geometry to one Al3+ and two Pb2+ atoms. In the seventeenth F1- site, F1- is bonded in a distorted single-bond geometry to one Al3+ and three Pb2+ atoms. In the eighteenth F1- site, F1- is bonded in a distorted single-bond geometry to one Al3+ and three Pb2+ atoms. In the nineteenth F1- site, F1- is bonded in a distorted single-bond geometry to one Al3+ and two Pb2+ atoms. In the twentieth F1- site, F1- is bonded in a linear geometry to two equivalent Al3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YbHgPb by Materials Project

YbHgPb is hexagonal omega structure-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Yb is bonded to six equivalent Hg and six equivalent Pb atoms to form a mixture of face and edge-sharing YbHg6Pb6 cuboctahedra. All Yb–Hg bond lengths are 3.49 Å. All Yb–Pb bond lengths are 3.49 Å. Hg is bonded in a 9-coordinate geometry to six equivalent Yb and three equivalent Pb atoms. All Hg–Pb bond lengths are 2.96 Å. Pb is bonded in a 9-coordinate geometry to six equivalent Yb and three equivalent Hg atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho5NiPb3 by Materials Project

Ho5NiPb3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded in a 7-coordinate geometry to two equivalent Ni and five equivalent Pb atoms. Both Ho–Ni bond lengths are 2.74 Å. There are a spread of Ho–Pb bond distances ranging from 3.18–3.66 Å. In the second Ho site, Ho is bonded in a 6-coordinate geometry to six equivalent Pb atoms. All Ho–Pb bond lengths are 3.25 Å. Ni is bonded to six equivalent Ho atoms to form face-sharing NiHo6 octahedra. Pb is bonded in a 9-coordinate geometry to nine Ho atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Lu5NiPb3 by Materials Project

Lu5NiPb3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. there are two inequivalent Lu sites. In the first Lu site, Lu is bonded in a 7-coordinate geometry to two equivalent Ni and five equivalent Pb atoms. Both Lu–Ni bond lengths are 2.68 Å. There are a spread of Lu–Pb bond distances ranging from 3.14–3.60 Å. In the second Lu site, Lu is bonded in a 6-coordinate geometry to six equivalent Pb atoms. All Lu–Pb bond lengths are 3.20 Å. Ni is bonded to six equivalent Lu atoms to form face-sharing NiLu6 octahedra. Pb is bonded in a 9-coordinate geometry to nine Lu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy5Pb3 by Materials Project

Dy5Pb3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. there are two inequivalent Dy sites. In the first Dy site, Dy is bonded in a 5-coordinate geometry to five equivalent Pb atoms. There are a spread of Dy–Pb bond distances ranging from 3.12–3.61 Å. In the second Dy site, Dy is bonded in a 6-coordinate geometry to six equivalent Pb atoms. All Dy–Pb bond lengths are 3.25 Å. Pb is bonded in a 9-coordinate geometry to nine Dy atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SmAgPb by Materials Project

SmAgPb crystallizes in the hexagonal P6_3mc space group. The structure is three-dimensional. Sm is bonded in a 12-coordinate geometry to six equivalent Ag and six equivalent Pb atoms. There are three shorter (3.17 Å) and three longer (3.66 Å) Sm–Ag bond lengths. There are three shorter (3.28 Å) and three longer (3.53 Å) Sm–Pb bond lengths. Ag is bonded in a 10-coordinate geometry to six equivalent Sm and four equivalent Pb atoms. There are three shorter (2.89 Å) and one longer (3.15 Å) Ag–Pb bond lengths. Pb is bonded in a 10-coordinate geometry to six equivalent Sm and four equivalent Ag atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Er5NiPb3 by Materials Project

Er5NiPb3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. there are two inequivalent Er sites. In the first Er site, Er is bonded in a 7-coordinate geometry to two equivalent Ni and five equivalent Pb atoms. Both Er–Ni bond lengths are 2.73 Å. There are a spread of Er–Pb bond distances ranging from 3.17–3.64 Å. In the second Er site, Er is bonded in a 6-coordinate geometry to six equivalent Pb atoms. All Er–Pb bond lengths are 3.24 Å. Ni is bonded to six equivalent Er atoms to form face-sharing NiEr6 octahedra. Pb is bonded in a 9-coordinate geometry to nine Er atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Yb5Pb3 by Materials Project

Yb5Pb3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. there are two inequivalent Yb sites. In the first Yb site, Yb is bonded in a 5-coordinate geometry to five equivalent Pb atoms. There are a spread of Yb–Pb bond distances ranging from 3.25–3.60 Å. In the second Yb site, Yb is bonded in a 6-coordinate geometry to six equivalent Pb atoms. All Yb–Pb bond lengths are 3.39 Å. Pb is bonded in a 9-coordinate geometry to nine Yb atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tm2Pd2Pb by Materials Project

Tm2Pd2Pb crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. Tm is bonded in a 6-coordinate geometry to six equivalent Pd and four equivalent Pb atoms. There are two shorter (2.89 Å) and four longer (2.95 Å) Tm–Pd bond lengths. All Tm–Pb bond lengths are 3.43 Å. Pd is bonded in a 6-coordinate geometry to six equivalent Tm and two equivalent Pb atoms. Both Pd–Pb bond lengths are 3.13 Å. Pb is bonded to eight equivalent Tm and four equivalent Pd atoms to form a mixture of distorted face and corner-sharing PbTm8Pd4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Pr6Fe13Pb by Materials Project

Pr6Fe13Pb crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. there are two inequivalent Pr sites. In the first Pr site, Pr is bonded in a 6-coordinate geometry to four Fe and two equivalent Pb atoms. There are a spread of Pr–Fe bond distances ranging from 3.01–3.37 Å. Both Pr–Pb bond lengths are 3.43 Å. In the second Pr site, Pr is bonded in a 5-coordinate geometry to twelve Fe and one Pb atom. There are a spread of Pr–Fe bond distances ranging from 3.04–3.27 Å. The Pr–Pb bond length is 3.52 Å. There are four inequivalent Fe sites. In the first Fe site, Fe is bonded to twelve Fe atoms to form a mixture of face and corner-sharing FeFe12 cuboctahedra. There are a spread of Fe–Fe bond distances ranging from 2.41–2.54 Å. In the second Fe site, Fe is bonded in a 12-coordinate geometry to three Pr and nine Fe atoms. There are a spread of Fe–Fe bond distances ranging from 2.49–2.73 Å. In the third Fe site, Fe is bonded to two equivalent Pr and ten Fe atoms to form a mixture of face and corner-sharing FePr2Fe10 cuboctahedra. There are a spread of Fe–Fe bond distances ranging from 2.52–2.64 Å. In the fourth Fe site, Fe is bonded to five Pr and seven Fe atoms to form a mixture of distorted face and corner-sharing FePr5Fe7 cuboctahedra. The Fe–Fe bond length is 2.59 Å. Pb is bonded in a distorted q6 geometry to ten Pr atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on GePb5O7 by Materials Project

Pb5GeO7 crystallizes in the orthorhombic Pbca space group. The structure is three-dimensional. there are five inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.28–2.94 Å. In the second Pb2+ site, Pb2+ is bonded to four O2- atoms to form distorted PbO4 trigonal pyramids that share corners with two equivalent GeO4 tetrahedra. There are a spread of Pb–O bond distances ranging from 2.29–2.64 Å. In the third Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.31–3.18 Å. In the fourth Pb2+ site, Pb2+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Pb–O bond distances ranging from 2.24–2.80 Å. In the fifth Pb2+ site, Pb2+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Pb–O bond distances ranging from 2.24–2.93 Å. Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with two equivalent PbO4 trigonal pyramids. There are a spread of Ge–O bond distances ranging from 1.77–1.80 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to three Pb2+ and one Ge4+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two Pb2+ and one Ge4+ atom. In the third O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. In the fourth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to three Pb2+ and one Ge4+ atom. In the sixth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to two Pb2+ and one Ge4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hf5CuPb3 by Materials Project

Hf5CuPb3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. there are two inequivalent Hf sites. In the first Hf site, Hf is bonded in a 6-coordinate geometry to six equivalent Pb atoms. All Hf–Pb bond lengths are 3.07 Å. In the second Hf site, Hf is bonded to two equivalent Cu and five equivalent Pb atoms to form a mixture of distorted corner, edge, and face-sharing HfCu2Pb5 pentagonal bipyramids. Both Hf–Cu bond lengths are 2.68 Å. There are a spread of Hf–Pb bond distances ranging from 2.98–3.15 Å. Cu is bonded to six equivalent Hf atoms to form face-sharing CuHf6 octahedra. Pb is bonded in a 9-coordinate geometry to nine Hf atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YPbAu by Materials Project

YAuPb is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Y is bonded to four equivalent Au and six equivalent Pb atoms to form a mixture of distorted corner and face-sharing YPb6Au4 tetrahedra. All Y–Au bond lengths are 2.97 Å. All Y–Pb bond lengths are 3.43 Å. Au is bonded in a body-centered cubic geometry to four equivalent Y and four equivalent Pb atoms. All Au–Pb bond lengths are 2.97 Å. Pb is bonded in a distorted q6 geometry to six equivalent Y and four equivalent Au atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ZnFePb by Materials Project

FeZnPb is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Fe is bonded to four equivalent Pb atoms to form distorted FePb4 tetrahedra that share corners with four equivalent ZnPb4 tetrahedra, corners with twelve equivalent FePb4 tetrahedra, and edges with six equivalent ZnPb4 tetrahedra. All Fe–Pb bond lengths are 2.69 Å. Zn is bonded to four equivalent Pb atoms to form distorted ZnPb4 tetrahedra that share corners with four equivalent FePb4 tetrahedra, corners with twelve equivalent ZnPb4 tetrahedra, and edges with six equivalent FePb4 tetrahedra. All Zn–Pb bond lengths are 2.69 Å. Pb is bonded in a body-centered cubic geometry to four equivalent Fe and four equivalent Zn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HgOsPb2 by Materials Project

OsHgPb2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Os is bonded in a body-centered cubic geometry to eight equivalent Pb atoms. All Os–Pb bond lengths are 3.12 Å. Hg is bonded in a body-centered cubic geometry to eight equivalent Pb atoms. All Hg–Pb bond lengths are 3.12 Å. Pb is bonded in a body-centered cubic geometry to four equivalent Os and four equivalent Hg atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TeRuPb by Materials Project

RuPbTe is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Ru is bonded to four equivalent Pb and six equivalent Te atoms to form distorted RuTe6Pb4 tetrahedra that share corners with four equivalent TeRu6Pb4 tetrahedra, corners with six equivalent RuTe6Pb4 tetrahedra, edges with six equivalent TeRu6Pb4 tetrahedra, and faces with twelve equivalent RuTe6Pb4 tetrahedra. All Ru–Pb bond lengths are 2.97 Å. All Ru–Te bond lengths are 3.43 Å. Pb is bonded in a body-centered cubic geometry to four equivalent Ru and four equivalent Te atoms. All Pb–Te bond lengths are 2.97 Å. Te is bonded to six equivalent Ru and four equivalent Pb atoms to form distorted TeRu6Pb4 tetrahedra that share corners with four equivalent RuTe6Pb4 tetrahedra, corners with six equivalent TeRu6Pb4 tetrahedra, edges with six equivalent RuTe6Pb4 tetrahedra, and faces with twelve equivalent TeRu6Pb4 tetrahedra.

36 MATERIALS SCIENCE↗