Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Tm”

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 1,027 records · Page 57
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on TmCo2Sn by Materials Project

TmCo2Sn is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Tm is bonded in a distorted body-centered cubic geometry to eight equivalent Co and six equivalent Sn atoms. All Tm–Co bond lengths are 2.76 Å. All Tm–Sn bond lengths are 3.19 Å. Co is bonded in a distorted body-centered cubic geometry to four equivalent Tm and four equivalent Sn atoms. All Co–Sn bond lengths are 2.76 Å. Sn is bonded in a 8-coordinate geometry to six equivalent Tm and eight equivalent Co atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TmAlGe by Materials Project

TmAlGe crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Tm is bonded in a 4-coordinate geometry to four equivalent Al and five equivalent Ge atoms. All Tm–Al bond lengths are 3.17 Å. There are a spread of Tm–Ge bond distances ranging from 2.92–3.07 Å. Al is bonded in a 4-coordinate geometry to four equivalent Tm and four equivalent Ge atoms. All Al–Ge bond lengths are 2.72 Å. Ge is bonded in a 9-coordinate geometry to five equivalent Tm and four equivalent Al atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TmNiAs by Materials Project

TmNiAs is hexagonal omega structure-derived structured and crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Tm is bonded to six equivalent Ni and six equivalent As atoms to form a mixture of edge and face-sharing TmNi6As6 cuboctahedra. All Tm–Ni bond lengths are 3.01 Å. All Tm–As bond lengths are 3.01 Å. Ni is bonded in a 3-coordinate geometry to six equivalent Tm and three equivalent As atoms. All Ni–As bond lengths are 2.33 Å. As is bonded in a 3-coordinate geometry to six equivalent Tm and three equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tm4Ge6Ir7 by Materials Project

Tm4Ir7Ge6 crystallizes in the cubic Im-3m space group. The structure is three-dimensional. Tm is bonded to six equivalent Ir and six equivalent Ge atoms to form TmGe6Ir6 cuboctahedra that share corners with twelve equivalent TmGe6Ir6 cuboctahedra, faces with six equivalent TmGe6Ir6 cuboctahedra, and faces with two equivalent IrGe6 octahedra. All Tm–Ir bond lengths are 2.96 Å. All Tm–Ge bond lengths are 3.01 Å. There are two inequivalent Ir sites. In the first Ir site, Ir is bonded to six equivalent Ge atoms to form IrGe6 octahedra that share faces with eight equivalent TmGe6Ir6 cuboctahedra. All Ir–Ge bond lengths are 2.65 Å. In the second Ir site, Ir is bonded in a 12-coordinate geometry to four equivalent Tm and four equivalent Ge atoms. All Ir–Ge bond lengths are 2.59 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Tm and five Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tm2IrPt by Materials Project

Tm2IrPt 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 Ir and four equivalent Pt atoms. All Tm–Ir bond lengths are 2.96 Å. All Tm–Pt bond lengths are 2.96 Å. Ir is bonded in a body-centered cubic geometry to eight equivalent Tm atoms. Pt is bonded in a body-centered cubic geometry to eight equivalent Tm atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TmMg3 by Materials Project

Mg3Tm is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent Mg sites. In the first Mg site, Mg is bonded in a body-centered cubic geometry to four equivalent Mg and four equivalent Tm atoms. All Mg–Mg bond lengths are 3.16 Å. All Mg–Tm bond lengths are 3.16 Å. In the second Mg site, Mg is bonded in a distorted body-centered cubic geometry to eight equivalent Mg and six equivalent Tm atoms. All Mg–Tm bond lengths are 3.64 Å. Tm is bonded in a distorted body-centered cubic geometry to fourteen Mg atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TmCuGe by Materials Project

TmCuGe is hexagonal omega structure-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Tm is bonded to six equivalent Cu and six equivalent Ge atoms to form a mixture of face and edge-sharing TmCu6Ge6 cuboctahedra. All Tm–Cu bond lengths are 3.03 Å. All Tm–Ge bond lengths are 3.03 Å. Cu is bonded in a 9-coordinate geometry to six equivalent Tm and three equivalent Ge atoms. All Cu–Ge bond lengths are 2.42 Å. Ge is bonded in a 9-coordinate geometry to six equivalent Tm and three equivalent Cu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tm2CdGe2 by Materials Project

Tm2CdGe2 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. Tm is bonded in a 6-coordinate geometry to four equivalent Cd and six equivalent Ge atoms. All Tm–Cd bond lengths are 3.38 Å. There are two shorter (2.92 Å) and four longer (3.04 Å) Tm–Ge bond lengths. Cd is bonded to eight equivalent Tm and four equivalent Ge atoms to form a mixture of distorted face and corner-sharing CdTm8Ge4 cuboctahedra. All Cd–Ge bond lengths are 2.87 Å. Ge is bonded in a 9-coordinate geometry to six equivalent Tm, two equivalent Cd, and one Ge atom. The Ge–Ge bond length is 2.52 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tm2Sc3Si4 by Materials Project

Tm2Sc3Si4 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Tm is bonded in a 7-coordinate geometry to seven Si atoms. There are a spread of Tm–Si bond distances ranging from 2.90–3.30 Å. There are two inequivalent Sc sites. In the first Sc site, Sc is bonded to six Si atoms to form distorted corner-sharing ScSi6 octahedra. The corner-sharing octahedra tilt angles range from 53–54°. There are a spread of Sc–Si bond distances ranging from 2.77–2.99 Å. In the second Sc site, Sc is bonded in a 6-coordinate geometry to six Si atoms. There are a spread of Sc–Si bond distances ranging from 2.71–2.86 Å. There are three inequivalent Si sites. In the first Si site, Si is bonded in a 9-coordinate geometry to two equivalent Tm, six Sc, and one Si atom. The Si–Si bond length is 2.53 Å. In the second Si site, Si is bonded in a 9-coordinate geometry to four equivalent Tm, four Sc, and one Si atom. In the third Si site, Si is bonded in a 9-coordinate geometry to four equivalent Tm, four Sc, and one Si atom. The Si–Si bond length is 2.55 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TmSbRh by Materials Project

TmRhSb crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Tm is bonded in a 1-coordinate geometry to six equivalent Rh and six equivalent Sb atoms. There are a spread of Tm–Rh bond distances ranging from 3.00–3.35 Å. There are a spread of Tm–Sb bond distances ranging from 3.14–3.33 Å. Rh is bonded in a 10-coordinate geometry to six equivalent Tm and four equivalent Sb atoms. There are a spread of Rh–Sb bond distances ranging from 2.65–2.78 Å. Sb is bonded in a 10-coordinate geometry to six equivalent Tm and four equivalent Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tm2InAu2 by Materials Project

Tm2Au2In crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. Tm is bonded in a 6-coordinate geometry to six equivalent Au and four equivalent In atoms. There are two shorter (2.91 Å) and four longer (3.01 Å) Tm–Au bond lengths. All Tm–In bond lengths are 3.47 Å. Au is bonded in a 9-coordinate geometry to six equivalent Tm and two equivalent In atoms. Both Au–In bond lengths are 3.13 Å. In is bonded to eight equivalent Tm and four equivalent Au atoms to form a mixture of distorted corner and face-sharing InTm8Au4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb5Tm3Br12 by Materials Project

Rb5Tm3Br12 crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. there are two inequivalent Rb sites. In the first Rb site, Rb is bonded in a 6-coordinate geometry to six equivalent Br atoms. All Rb–Br bond lengths are 3.54 Å. In the second Rb site, Rb is bonded in a 7-coordinate geometry to seven Br atoms. There are a spread of Rb–Br bond distances ranging from 3.48–3.69 Å. Tm is bonded to six Br atoms to form edge-sharing TmBr6 octahedra. There are a spread of Tm–Br bond distances ranging from 2.80–2.90 Å. There are three inequivalent Br sites. In the first Br site, Br is bonded to two equivalent Rb and two equivalent Tm atoms to form distorted corner-sharing BrRb2Tm2 trigonal pyramids. In the second Br site, Br is bonded in a 3-coordinate geometry to one Rb and two equivalent Tm atoms. In the third Br site, Br is bonded in a 5-coordinate geometry to four Rb and one Tm atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TmAsPd by Materials Project

TmPdAs crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Tm is bonded in a 11-coordinate geometry to six equivalent Pd and five equivalent As atoms. There are a spread of Tm–Pd bond distances ranging from 3.05–3.36 Å. There are a spread of Tm–As bond distances ranging from 2.88–2.97 Å. Pd is bonded to six equivalent Tm, two equivalent Pd, and four equivalent As atoms to form a mixture of distorted edge, face, and corner-sharing PdTm6As4Pd2 cuboctahedra. Both Pd–Pd bond lengths are 3.04 Å. There are a spread of Pd–As bond distances ranging from 2.61–2.80 Å. As is bonded in a 9-coordinate geometry to five equivalent Tm and four equivalent Pd atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tm2ZnAu by Materials Project

Tm2AuZn 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 Au and four equivalent Zn atoms. All Tm–Au bond lengths are 3.07 Å. All Tm–Zn bond lengths are 3.07 Å. Au is bonded in a body-centered cubic geometry to eight equivalent Tm atoms. Zn is bonded in a body-centered cubic geometry to eight equivalent Tm atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tm2AlRu by Materials Project

Tm2RuAl 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 Ru and four equivalent Al atoms. All Tm–Ru bond lengths are 2.99 Å. All Tm–Al bond lengths are 2.99 Å. Ru is bonded in a body-centered cubic geometry to eight equivalent Tm atoms. Al is bonded in a body-centered cubic geometry to eight equivalent Tm atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba3Tm by Materials Project

Ba3Tm is beta Cu3Ti-like structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Ba sites. In the first Ba site, Ba is bonded to eight Ba and four equivalent Tm atoms to form BaBa8Tm4 cuboctahedra that share corners with twelve equivalent BaBa8Tm4 cuboctahedra, edges with eight equivalent TmBa12 cuboctahedra, edges with sixteen BaBa8Tm4 cuboctahedra, faces with four equivalent TmBa12 cuboctahedra, and faces with fourteen BaBa8Tm4 cuboctahedra. There are four shorter (4.13 Å) and four longer (4.19 Å) Ba–Ba bond lengths. All Ba–Tm bond lengths are 4.19 Å. In the second Ba site, Ba is bonded to eight equivalent Ba and four equivalent Tm atoms to form distorted BaBa8Tm4 cuboctahedra that share corners with four equivalent BaBa8Tm4 cuboctahedra, corners with eight equivalent TmBa12 cuboctahedra, edges with twenty-four BaBa8Tm4 cuboctahedra, faces with six equivalent TmBa12 cuboctahedra, and faces with twelve BaBa8Tm4 cuboctahedra. All Ba–Tm bond lengths are 4.13 Å. Tm is bonded to twelve Ba atoms to form TmBa12 cuboctahedra that share corners with four equivalent TmBa12 cuboctahedra, corners with eight equivalent BaBa8Tm4 cuboctahedra, edges with eight equivalent TmBa12 cuboctahedra, edges with sixteen equivalent BaBa8Tm4 cuboctahedra, faces with four equivalent TmBa12 cuboctahedra, and faces with fourteen BaBa8Tm4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TmCuSn by Materials Project

TmCuSn is hexagonal omega structure-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Tm is bonded to six equivalent Cu and six equivalent Sn atoms to form a mixture of edge and face-sharing TmCu6Sn6 cuboctahedra. All Tm–Cu bond lengths are 3.16 Å. All Tm–Sn bond lengths are 3.16 Å. Cu is bonded in a 9-coordinate geometry to six equivalent Tm and three equivalent Sn atoms. All Cu–Sn bond lengths are 2.60 Å. Sn is bonded in a 9-coordinate geometry to six equivalent Tm and three equivalent Cu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TmAlCu by Materials Project

TmCuAl crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. Tm is bonded in a 12-coordinate geometry to six equivalent Cu and six equivalent Al atoms. There are two shorter (3.11 Å) and four longer (3.15 Å) Tm–Cu bond lengths. There are two shorter (3.11 Å) and four longer (3.15 Å) Tm–Al bond lengths. Cu is bonded to six equivalent Tm, two equivalent Cu, and four equivalent Al atoms to form CuTm6Al4Cu2 cuboctahedra that share corners with eight equivalent AlTm6Al2Cu4 cuboctahedra, corners with ten equivalent CuTm6Al4Cu2 cuboctahedra, edges with six equivalent CuTm6Al4Cu2 cuboctahedra, faces with six equivalent CuTm6Al4Cu2 cuboctahedra, and faces with twelve equivalent AlTm6Al2Cu4 cuboctahedra. Both Cu–Cu bond lengths are 2.69 Å. All Cu–Al bond lengths are 2.67 Å. Al is bonded to six equivalent Tm, four equivalent Cu, and two equivalent Al atoms to form AlTm6Al2Cu4 cuboctahedra that share corners with eight equivalent CuTm6Al4Cu2 cuboctahedra, corners with ten equivalent AlTm6Al2Cu4 cuboctahedra, edges with six equivalent AlTm6Al2Cu4 cuboctahedra, faces with six equivalent AlTm6Al2Cu4 cuboctahedra, and faces with twelve equivalent CuTm6Al4Cu2 cuboctahedra. Both Al–Al bond lengths are 2.69 Å.

36 MATERIALS SCIENCE↗