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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 559 records · Page 31
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DOE OSTI2020

Materials Data on TcRh3 by Materials Project

TcRh3 is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Tc is bonded to twelve equivalent Rh atoms to form TcRh12 cuboctahedra that share corners with six equivalent TcRh12 cuboctahedra, corners with twelve equivalent RhTc4Rh8 cuboctahedra, edges with eighteen equivalent RhTc4Rh8 cuboctahedra, faces with eight equivalent TcRh12 cuboctahedra, and faces with twelve equivalent RhTc4Rh8 cuboctahedra. There are six shorter (2.68 Å) and six longer (2.75 Å) Tc–Rh bond lengths. Rh is bonded to four equivalent Tc and eight equivalent Rh atoms to form distorted RhTc4Rh8 cuboctahedra that share corners with four equivalent TcRh12 cuboctahedra, corners with fourteen equivalent RhTc4Rh8 cuboctahedra, edges with six equivalent TcRh12 cuboctahedra, edges with twelve equivalent RhTc4Rh8 cuboctahedra, faces with four equivalent TcRh12 cuboctahedra, and faces with sixteen equivalent RhTc4Rh8 cuboctahedra. There are a spread of Rh–Rh bond distances ranging from 2.70–2.77 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TcRu3 by Materials Project

TcRu3 is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Tc is bonded to twelve equivalent Ru atoms to form TcRu12 cuboctahedra that share corners with six equivalent TcRu12 cuboctahedra, corners with twelve equivalent RuTc4Ru8 cuboctahedra, edges with eighteen equivalent RuTc4Ru8 cuboctahedra, faces with eight equivalent TcRu12 cuboctahedra, and faces with twelve equivalent RuTc4Ru8 cuboctahedra. There are six shorter (2.68 Å) and six longer (2.74 Å) Tc–Ru bond lengths. Ru is bonded to four equivalent Tc and eight equivalent Ru atoms to form distorted RuTc4Ru8 cuboctahedra that share corners with four equivalent TcRu12 cuboctahedra, corners with fourteen equivalent RuTc4Ru8 cuboctahedra, edges with six equivalent TcRu12 cuboctahedra, edges with twelve equivalent RuTc4Ru8 cuboctahedra, faces with four equivalent TcRu12 cuboctahedra, and faces with sixteen equivalent RuTc4Ru8 cuboctahedra. There are a spread of Ru–Ru bond distances ranging from 2.68–2.75 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on GaTc by Materials Project

TcGa crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Tc3- is bonded to six equivalent Tc3- and six equivalent Ga3+ atoms to form a mixture of distorted corner, edge, and face-sharing TcGa6Tc6 cuboctahedra. All Tc–Tc bond lengths are 2.90 Å. All Tc–Ga bond lengths are 2.64 Å. Ga3+ is bonded in a 6-coordinate geometry to six equivalent Tc3- atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ta2TcW by Materials Project

Ta2WTc is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ta is bonded in a body-centered cubic geometry to four equivalent W and four equivalent Tc atoms. All Ta–W bond lengths are 2.79 Å. All Ta–Tc bond lengths are 2.79 Å. W is bonded in a body-centered cubic geometry to eight equivalent Ta atoms. Tc is bonded in a distorted body-centered cubic geometry to eight equivalent Ta atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ti2CuTc by Materials Project

Ti2TcCu is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ti is bonded in a body-centered cubic geometry to four equivalent Tc and four equivalent Cu atoms. All Ti–Tc bond lengths are 2.68 Å. All Ti–Cu bond lengths are 2.68 Å. Tc is bonded in a body-centered cubic geometry to eight equivalent Ti atoms. Cu is bonded in a body-centered cubic geometry to eight equivalent Ti 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 Lu2TcAu by Materials Project

Lu2TcAu is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Lu is bonded in a body-centered cubic geometry to four equivalent Tc and four equivalent Au atoms. All Lu–Tc bond lengths are 2.97 Å. All Lu–Au bond lengths are 2.97 Å. Tc is bonded in a body-centered cubic geometry to eight equivalent Lu atoms. Au is bonded in a body-centered cubic geometry to eight equivalent Lu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho2CuTc by Materials Project

Ho2TcCu is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ho is bonded in a body-centered cubic geometry to four equivalent Tc and four equivalent Cu atoms. All Ho–Tc bond lengths are 2.97 Å. All Ho–Cu bond lengths are 2.97 Å. Tc is bonded in a body-centered cubic geometry to eight equivalent Ho atoms. Cu is bonded in a body-centered cubic geometry to eight equivalent Ho atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ta2TcMo by Materials Project

Ta2MoTc is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ta is bonded in a body-centered cubic geometry to four equivalent Mo and four equivalent Tc atoms. All Ta–Mo bond lengths are 2.78 Å. All Ta–Tc bond lengths are 2.78 Å. Mo is bonded in a body-centered cubic geometry to eight equivalent Ta atoms. Tc is bonded in a body-centered cubic geometry to eight equivalent Ta atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiLu2Tc by Materials Project

LiLu2Tc 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 Lu atoms. All Li–Lu bond lengths are 2.97 Å. Lu is bonded in a body-centered cubic geometry to four equivalent Li and four equivalent Tc atoms. All Lu–Tc bond lengths are 2.97 Å. Tc is bonded in a body-centered cubic geometry to eight equivalent Lu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hf2TcOs by Materials Project

Hf2TcOs 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 Os atoms. All Hf–Tc bond lengths are 2.82 Å. All Hf–Os bond lengths are 2.82 Å. Tc is bonded in a body-centered cubic geometry to eight equivalent Hf atoms. Os is bonded in a body-centered cubic geometry to eight equivalent Hf atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Be3Tc by Materials Project

Be3Tc is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Be is bonded to eight equivalent Be and four equivalent Tc atoms to form BeBe8Tc4 cuboctahedra that share corners with twelve equivalent BeBe8Tc4 cuboctahedra, edges with eight equivalent TcBe12 cuboctahedra, edges with sixteen equivalent BeBe8Tc4 cuboctahedra, faces with four equivalent TcBe12 cuboctahedra, and faces with fourteen equivalent BeBe8Tc4 cuboctahedra. All Be–Be bond lengths are 2.39 Å. All Be–Tc bond lengths are 2.39 Å. Tc is bonded to twelve equivalent Be atoms to form TcBe12 cuboctahedra that share corners with twelve equivalent TcBe12 cuboctahedra, edges with twenty-four equivalent BeBe8Tc4 cuboctahedra, faces with six equivalent TcBe12 cuboctahedra, and faces with twelve equivalent BeBe8Tc4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zr2TcPd by Materials Project

Zr2TcPd is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Zr is bonded in a body-centered cubic geometry to four equivalent Tc and four equivalent Pd atoms. All Zr–Tc bond lengths are 2.88 Å. All Zr–Pd bond lengths are 2.88 Å. Tc is bonded in a body-centered cubic geometry to eight equivalent Zr atoms. Pd is bonded in a body-centered cubic geometry to eight equivalent Zr atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tm2CuTc by Materials Project

Tm2TcCu is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Tm is bonded in a body-centered cubic geometry to four equivalent Tc and four equivalent Cu atoms. All Tm–Tc bond lengths are 2.92 Å. All Tm–Cu bond lengths are 2.92 Å. Tc is bonded in a body-centered cubic geometry to eight equivalent Tm atoms. Cu is bonded in a body-centered cubic geometry to eight equivalent Tm atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Th2ZnTc by Materials Project

Th2TcZn is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Th is bonded in a body-centered cubic geometry to four equivalent Tc and four equivalent Zn atoms. All Th–Tc bond lengths are 3.13 Å. All Th–Zn bond lengths are 3.13 Å. Tc is bonded in a body-centered cubic geometry to eight equivalent Th atoms. Zn is bonded in a body-centered cubic geometry to eight equivalent Th atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on V2ReTc by Materials Project

V2ReTc is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. V is bonded in a body-centered cubic geometry to four equivalent Re and four equivalent Tc atoms. All V–Re bond lengths are 2.63 Å. All V–Tc bond lengths are 2.63 Å. Re is bonded in a body-centered cubic geometry to eight equivalent V atoms. Tc is bonded in a body-centered cubic geometry to eight equivalent V atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tc2N by Materials Project

Tc2N is Molybdenite structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is two-dimensional and consists of two Tc2N sheets oriented in the (0, 0, 1) direction. Tc+1.50+ is bonded in a distorted T-shaped geometry to three equivalent N3- atoms. All Tc–N bond lengths are 2.15 Å. N3- is bonded to six equivalent Tc+1.50+ atoms to form distorted edge-sharing NTc6 pentagonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ReTc by Materials Project

ReTc crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Re3+ is bonded in a 6-coordinate geometry to six equivalent Tc3- atoms. All Re–Tc bond lengths are 2.75 Å. Tc3- is bonded to six equivalent Re3+ and six equivalent Tc3- atoms to form a mixture of corner, edge, and face-sharing TcRe6Tc6 cuboctahedra. All Tc–Tc bond lengths are 2.77 Å.

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