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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 937 records · Page 52
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DOE OSTI2020

Materials Data on HfSnRh2 by Materials Project

HfRh2Sn is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to eight equivalent Rh and six equivalent Sn atoms. All Hf–Rh bond lengths are 2.82 Å. All Hf–Sn bond lengths are 3.25 Å. Rh is bonded in a body-centered cubic geometry to four equivalent Hf and four equivalent Sn atoms. All Rh–Sn bond lengths are 2.82 Å. Sn is bonded in a distorted body-centered cubic geometry to six equivalent Hf and eight equivalent Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hf2TcRu by Materials Project

Hf2TcRu is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to four equivalent Tc and four equivalent Ru atoms. All Hf–Tc bond lengths are 2.81 Å. All Hf–Ru bond lengths are 2.81 Å. Tc is bonded in a body-centered cubic geometry to eight equivalent Hf atoms. Ru is bonded in a body-centered cubic geometry to eight equivalent Hf atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HfNiSn by Materials Project

HfNiSn is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Hf is bonded in a 4-coordinate geometry to four equivalent Ni and six equivalent Sn atoms. All Hf–Ni bond lengths are 2.65 Å. All Hf–Sn bond lengths are 3.06 Å. Ni is bonded in a body-centered cubic geometry to four equivalent Hf and four equivalent Sn atoms. All Ni–Sn bond lengths are 2.65 Å. Sn is bonded in a distorted q6 geometry to six equivalent Hf and four equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HfSiPt by Materials Project

HfPtSi is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Hf is bonded in a 10-coordinate geometry to six equivalent Pt and four equivalent Si atoms. All Hf–Pt bond lengths are 3.02 Å. All Hf–Si bond lengths are 2.62 Å. Pt is bonded in a 10-coordinate geometry to six equivalent Hf and four equivalent Si atoms. All Pt–Si bond lengths are 2.62 Å. Si is bonded in a body-centered cubic geometry to four equivalent Hf and four equivalent Pt atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HfGePt by Materials Project

HfPtGe is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to four equivalent Pt and four equivalent Ge atoms. All Hf–Pt bond lengths are 2.72 Å. All Hf–Ge bond lengths are 2.72 Å. Pt is bonded to four equivalent Hf atoms to form distorted PtHf4 tetrahedra that share corners with four equivalent GeHf4 tetrahedra, corners with twelve equivalent PtHf4 tetrahedra, and edges with six equivalent GeHf4 tetrahedra. Ge is bonded to four equivalent Hf atoms to form distorted GeHf4 tetrahedra that share corners with four equivalent PtHf4 tetrahedra, corners with twelve equivalent GeHf4 tetrahedra, and edges with six equivalent PtHf4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HfSiNi by Materials Project

NiHfSi is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Hf is bonded in a 4-coordinate geometry to six equivalent Ni and four equivalent Si atoms. All Hf–Ni bond lengths are 2.94 Å. All Hf–Si bond lengths are 2.54 Å. Ni is bonded in a distorted q6 geometry to six equivalent Hf and four equivalent Si atoms. All Ni–Si bond lengths are 2.54 Å. Si is bonded in a body-centered cubic geometry to four equivalent Hf and four equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HfNiGe by Materials Project

HfNiGe is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to four equivalent Ni and four equivalent Ge atoms. All Hf–Ni bond lengths are 2.65 Å. All Hf–Ge bond lengths are 2.65 Å. Ni is bonded to four equivalent Hf atoms to form NiHf4 tetrahedra that share corners with four equivalent GeHf4 tetrahedra, corners with twelve equivalent NiHf4 tetrahedra, and edges with six equivalent GeHf4 tetrahedra. Ge is bonded to four equivalent Hf atoms to form GeHf4 tetrahedra that share corners with four equivalent NiHf4 tetrahedra, corners with twelve equivalent GeHf4 tetrahedra, and edges with six equivalent NiHf4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HfAsRh by Materials Project

HfRhAs is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to four equivalent Rh and four equivalent As atoms. All Hf–Rh bond lengths are 2.70 Å. All Hf–As bond lengths are 2.70 Å. Rh is bonded to four equivalent Hf atoms to form RhHf4 tetrahedra that share corners with four equivalent AsHf4 tetrahedra, corners with twelve equivalent RhHf4 tetrahedra, and edges with six equivalent AsHf4 tetrahedra. As is bonded to four equivalent Hf atoms to form AsHf4 tetrahedra that share corners with four equivalent RhHf4 tetrahedra, corners with twelve equivalent AsHf4 tetrahedra, and edges with six equivalent RhHf4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HfBiRh by Materials Project

HfRhBi is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to four equivalent Rh and four equivalent Bi atoms. All Hf–Rh bond lengths are 2.86 Å. All Hf–Bi bond lengths are 2.86 Å. Rh is bonded to four equivalent Hf atoms to form distorted RhHf4 tetrahedra that share corners with four equivalent BiHf4 tetrahedra, corners with twelve equivalent RhHf4 tetrahedra, and edges with six equivalent BiHf4 tetrahedra. Bi is bonded to four equivalent Hf atoms to form distorted BiHf4 tetrahedra that share corners with four equivalent RhHf4 tetrahedra, corners with twelve equivalent BiHf4 tetrahedra, and edges with six equivalent RhHf4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HfNiPb by Materials Project

HfNiPb is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Hf is bonded to six equivalent Ni and four equivalent Pb atoms to form a mixture of distorted corner and face-sharing HfNi6Pb4 tetrahedra. All Hf–Ni bond lengths are 3.13 Å. All Hf–Pb bond lengths are 2.71 Å. Ni is bonded in a 4-coordinate geometry to six equivalent Hf and four equivalent Pb atoms. All Ni–Pb bond lengths are 2.71 Å. Pb is bonded in a body-centered cubic geometry to four equivalent Hf and four equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hf2IrRu by Materials Project

Hf2RuIr is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to four equivalent Ru and four equivalent Ir atoms. All Hf–Ru bond lengths are 2.82 Å. All Hf–Ir bond lengths are 2.82 Å. Ru is bonded in a body-centered cubic geometry to eight equivalent Hf atoms. Ir is bonded in a body-centered cubic geometry to eight equivalent Hf atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hf2ReTc by Materials Project

Hf2ReTc is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to four equivalent Re and four equivalent Tc atoms. All Hf–Re bond lengths are 2.83 Å. All Hf–Tc bond lengths are 2.83 Å. Re is bonded in a body-centered cubic geometry to eight equivalent Hf atoms. Tc is bonded in a body-centered cubic geometry to eight equivalent Hf atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb3Hf by Materials Project

Rb3Hf is beta Cu3Ti-like structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Rb sites. In the first Rb site, Rb is bonded to eight Rb and four equivalent Hf atoms to form distorted RbRb8Hf4 cuboctahedra that share corners with twelve equivalent RbRb8Hf4 cuboctahedra, edges with eight equivalent HfRb12 cuboctahedra, edges with sixteen RbRb8Hf4 cuboctahedra, faces with four equivalent HfRb12 cuboctahedra, and faces with fourteen RbRb8Hf4 cuboctahedra. There are four shorter (4.35 Å) and four longer (4.39 Å) Rb–Rb bond lengths. All Rb–Hf bond lengths are 4.35 Å. In the second Rb site, Rb is bonded to eight equivalent Rb and four equivalent Hf atoms to form RbRb8Hf4 cuboctahedra that share corners with four equivalent RbRb8Hf4 cuboctahedra, corners with eight equivalent HfRb12 cuboctahedra, edges with twenty-four RbRb8Hf4 cuboctahedra, faces with six equivalent HfRb12 cuboctahedra, and faces with twelve RbRb8Hf4 cuboctahedra. All Rb–Hf bond lengths are 4.39 Å. Hf is bonded to twelve Rb atoms to form HfRb12 cuboctahedra that share corners with four equivalent HfRb12 cuboctahedra, corners with eight equivalent RbRb8Hf4 cuboctahedra, edges with eight equivalent HfRb12 cuboctahedra, edges with sixteen equivalent RbRb8Hf4 cuboctahedra, faces with four equivalent HfRb12 cuboctahedra, and faces with fourteen RbRb8Hf4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hf2RuRh by Materials Project

Hf2RuRh is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to four equivalent Ru and four equivalent Rh atoms. All Hf–Ru bond lengths are 2.82 Å. All Hf–Rh bond lengths are 2.82 Å. Ru is bonded in a body-centered cubic geometry to eight equivalent Hf atoms. Rh is bonded in a body-centered cubic geometry to eight equivalent Hf atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hf2OsPd by Materials Project

Hf2OsPd is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to four equivalent Os and four equivalent Pd atoms. All Hf–Os bond lengths are 2.85 Å. All Hf–Pd bond lengths are 2.85 Å. Os is bonded in a body-centered cubic geometry to eight equivalent Hf atoms. Pd is bonded in a body-centered cubic geometry to eight equivalent Hf atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiHf2Ir by Materials Project

LiHf2Ir is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Li is bonded in a distorted body-centered cubic geometry to eight equivalent Hf and six equivalent Ir atoms. All Li–Hf bond lengths are 2.83 Å. All Li–Ir bond lengths are 3.27 Å. Hf is bonded in a body-centered cubic geometry to four equivalent Li and four equivalent Ir atoms. All Hf–Ir bond lengths are 2.83 Å. Ir is bonded in a distorted body-centered cubic geometry to six equivalent Li and eight equivalent Hf atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiHf2Tc by Materials Project

LiHf2Tc is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Li is bonded in a distorted body-centered cubic geometry to eight equivalent Hf and six equivalent Tc atoms. All Li–Hf bond lengths are 2.84 Å. All Li–Tc bond lengths are 3.28 Å. Hf is bonded in a body-centered cubic geometry to four equivalent Li and four equivalent Tc atoms. All Hf–Tc bond lengths are 2.84 Å. Tc is bonded in a distorted body-centered cubic geometry to six equivalent Li and eight equivalent Hf atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hf2ReRh by Materials Project

Hf2ReRh is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to four equivalent Re and four equivalent Rh atoms. All Hf–Re bond lengths are 2.83 Å. All Hf–Rh bond lengths are 2.83 Å. Re is bonded in a body-centered cubic geometry to eight equivalent Hf atoms. Rh is bonded in a body-centered cubic geometry to eight equivalent Hf atoms.

36 MATERIALS SCIENCE↗