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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.

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At least 613 records · Page 34
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on AcYbMg2 by Materials Project

Mg2AcYb is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Mg is bonded in a body-centered cubic geometry to four equivalent Ac and four equivalent Yb atoms. All Mg–Ac bond lengths are 3.51 Å. All Mg–Yb bond lengths are 3.51 Å. Ac is bonded in a body-centered cubic geometry to eight equivalent Mg atoms. Yb is bonded in a body-centered cubic geometry to eight equivalent Mg atoms.

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DOE OSTI2020

Materials Data on AcYbCd2 by Materials Project

AcYbCd2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a body-centered cubic geometry to eight equivalent Cd atoms. All Ac–Cd bond lengths are 3.43 Å. Yb is bonded in a body-centered cubic geometry to eight equivalent Cd atoms. All Yb–Cd bond lengths are 3.43 Å. Cd is bonded in a body-centered cubic geometry to four equivalent Ac and four equivalent Yb atoms.

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DOE OSTI2020

Materials Data on AcYbGa2 by Materials Project

AcYbGa2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a body-centered cubic geometry to eight equivalent Ga atoms. All Ac–Ga bond lengths are 3.30 Å. Yb is bonded in a body-centered cubic geometry to eight equivalent Ga atoms. All Yb–Ga bond lengths are 3.30 Å. Ga is bonded in a body-centered cubic geometry to four equivalent Ac and four equivalent Yb atoms.

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DOE OSTI2020

Materials Data on AcYbRh2 by Materials Project

AcYbRh2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a body-centered cubic geometry to eight equivalent Rh atoms. All Ac–Rh bond lengths are 3.07 Å. Yb is bonded in a body-centered cubic geometry to eight equivalent Rh atoms. All Yb–Rh bond lengths are 3.07 Å. Rh is bonded in a body-centered cubic geometry to four equivalent Ac and four equivalent Yb atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ac3Hg by Materials Project

Ac3Hg crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ac is bonded in a 4-coordinate geometry to four equivalent Hg atoms. There are two shorter (3.63 Å) and two longer (3.85 Å) Ac–Hg bond lengths. Hg is bonded to twelve equivalent Ac atoms to form a mixture of corner and face-sharing HgAc12 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AcEr3 by Materials Project

AcEr3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ac is bonded to twelve equivalent Er atoms to form AcEr12 cuboctahedra that share corners with twelve equivalent AcEr12 cuboctahedra, edges with twenty-four equivalent ErAc4Er8 cuboctahedra, faces with six equivalent AcEr12 cuboctahedra, and faces with twelve equivalent ErAc4Er8 cuboctahedra. All Ac–Er bond lengths are 3.63 Å. Er is bonded to four equivalent Ac and eight equivalent Er atoms to form ErAc4Er8 cuboctahedra that share corners with twelve equivalent ErAc4Er8 cuboctahedra, edges with eight equivalent AcEr12 cuboctahedra, edges with sixteen equivalent ErAc4Er8 cuboctahedra, faces with four equivalent AcEr12 cuboctahedra, and faces with fourteen equivalent ErAc4Er8 cuboctahedra. All Er–Er bond lengths are 3.63 Å.

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DOE OSTI2020

Materials Data on AcYb3 by Materials Project

AcYb3 is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a distorted body-centered cubic geometry to eight equivalent Yb atoms. All Ac–Yb bond lengths are 3.76 Å. There are two inequivalent Yb sites. In the first Yb site, Yb is bonded in a body-centered cubic geometry to four equivalent Ac and four equivalent Yb atoms. All Yb–Yb bond lengths are 3.76 Å. In the second Yb site, Yb is bonded in a distorted body-centered cubic geometry to eight equivalent Yb atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AcNdMg2 by Materials Project

Mg2AcNd is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Mg is bonded in a body-centered cubic geometry to four equivalent Ac and four equivalent Nd atoms. All Mg–Ac bond lengths are 3.47 Å. All Mg–Nd bond lengths are 3.47 Å. Ac is bonded in a body-centered cubic geometry to eight equivalent Mg atoms. Nd is bonded in a body-centered cubic geometry to eight equivalent Mg atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CaAcTl2 by Materials Project

CaAcTl2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ca is bonded in a body-centered cubic geometry to eight equivalent Tl atoms. All Ca–Tl bond lengths are 3.51 Å. Ac is bonded in a body-centered cubic geometry to eight equivalent Tl atoms. All Ac–Tl bond lengths are 3.51 Å. Tl is bonded in a body-centered cubic geometry to four equivalent Ca and four equivalent Ac atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AcYbAg2 by Materials Project

AcYbAg2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a body-centered cubic geometry to eight equivalent Ag atoms. All Ac–Ag bond lengths are 3.32 Å. Yb is bonded in a body-centered cubic geometry to eight equivalent Ag atoms. All Yb–Ag bond lengths are 3.32 Å. Ag is bonded in a body-centered cubic geometry to four equivalent Ac and four equivalent Yb atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AcCe3 by Materials Project

AcCe3 is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ac is bonded to twelve equivalent Ce atoms to form AcCe12 cuboctahedra that share corners with six equivalent AcCe12 cuboctahedra, corners with twelve equivalent CeAc4Ce8 cuboctahedra, edges with eighteen equivalent CeAc4Ce8 cuboctahedra, faces with eight equivalent AcCe12 cuboctahedra, and faces with twelve equivalent CeAc4Ce8 cuboctahedra. There are six shorter (3.59 Å) and six longer (3.67 Å) Ac–Ce bond lengths. Ce is bonded to four equivalent Ac and eight equivalent Ce atoms to form CeAc4Ce8 cuboctahedra that share corners with four equivalent AcCe12 cuboctahedra, corners with fourteen equivalent CeAc4Ce8 cuboctahedra, edges with six equivalent AcCe12 cuboctahedra, edges with twelve equivalent CeAc4Ce8 cuboctahedra, faces with four equivalent AcCe12 cuboctahedra, and faces with sixteen equivalent CeAc4Ce8 cuboctahedra. There are a spread of Ce–Ce bond distances ranging from 3.37–3.81 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AcPdO3 by Materials Project

AcPdO3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ac is bonded to twelve equivalent O atoms to form AcO12 cuboctahedra that share corners with twelve equivalent AcO12 cuboctahedra, faces with six equivalent AcO12 cuboctahedra, and faces with eight equivalent PdO6 octahedra. All Ac–O bond lengths are 2.89 Å. Pd is bonded to six equivalent O atoms to form PdO6 octahedra that share corners with six equivalent PdO6 octahedra and faces with eight equivalent AcO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Pd–O bond lengths are 2.05 Å. O is bonded to four equivalent Ac and two equivalent Pd atoms to form a mixture of distorted face, edge, and corner-sharing OAc4Pd2 octahedra. The corner-sharing octahedra tilt angles range from 0–60°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AcEuZn2 by Materials Project

AcEuZn2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a body-centered cubic geometry to eight equivalent Zn atoms. All Ac–Zn bond lengths are 3.35 Å. Eu is bonded in a body-centered cubic geometry to eight equivalent Zn atoms. All Eu–Zn bond lengths are 3.35 Å. Zn is bonded in a body-centered cubic geometry to four equivalent Ac and four equivalent Eu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiAcO3 by Materials Project

LiAcO3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Li is bonded to six equivalent O atoms to form LiO6 octahedra that share corners with six equivalent LiO6 octahedra and faces with eight equivalent AcO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Li–O bond lengths are 1.96 Å. Ac is bonded to twelve equivalent O atoms to form AcO12 cuboctahedra that share corners with twelve equivalent AcO12 cuboctahedra, faces with six equivalent AcO12 cuboctahedra, and faces with eight equivalent LiO6 octahedra. All Ac–O bond lengths are 2.77 Å. O is bonded in a distorted linear geometry to two equivalent Li and four equivalent Ac atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AcMg3 by Materials Project

Mg3Ac crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Mg is bonded in a 10-coordinate geometry to six equivalent Mg and four equivalent Ac atoms. There are four shorter (3.28 Å) and two longer (3.31 Å) Mg–Mg bond lengths. There are two shorter (3.48 Å) and two longer (3.59 Å) Mg–Ac bond lengths. Ac is bonded to twelve equivalent Mg atoms to form a mixture of corner and face-sharing AcMg12 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cs3Ac by Materials Project

Cs3Ac is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent Cs sites. In the first Cs site, Cs is bonded in a distorted body-centered cubic geometry to four equivalent Cs and four equivalent Ac atoms. All Cs–Cs bond lengths are 4.75 Å. All Cs–Ac bond lengths are 4.75 Å. In the second Cs site, Cs is bonded in a body-centered cubic geometry to eight equivalent Cs atoms. Ac is bonded in a body-centered cubic geometry to eight equivalent Cs atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CaAcMg2 by Materials Project

CaMg2Ac is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ca is bonded in a body-centered cubic geometry to eight equivalent Mg atoms. All Ca–Mg bond lengths are 3.51 Å. Mg is bonded in a body-centered cubic geometry to four equivalent Ca and four equivalent Ac atoms. All Mg–Ac bond lengths are 3.51 Å. Ac is bonded in a body-centered cubic geometry to eight equivalent Mg atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrAcGa2 by Materials Project

SrAcGa2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Sr is bonded in a body-centered cubic geometry to eight equivalent Ga atoms. All Sr–Ga bond lengths are 3.40 Å. Ac is bonded in a body-centered cubic geometry to eight equivalent Ga atoms. All Ac–Ga bond lengths are 3.40 Å. Ga is bonded in a body-centered cubic geometry to four equivalent Sr and four equivalent Ac atoms.

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