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 991 records · Page 55

Materials Data on Tm2AgHg by Materials Project

Tm2AgHg 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 Ag and four equivalent Hg atoms. All Tm–Ag bond lengths are 3.15 Å. All Tm–Hg bond lengths are 3.15 Å. Ag is bonded in a body-centered cubic geometry to eight equivalent Tm atoms. Hg is bonded in a body-centered cubic geometry to eight equivalent Tm atoms.

36 MATERIALS SCIENCE↗

Materials Data on Tm2CdHg by Materials Project

Tm2HgCd 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 Hg and four equivalent Cd atoms. All Tm–Hg bond lengths are 3.20 Å. All Tm–Cd bond lengths are 3.20 Å. Hg is bonded in a body-centered cubic geometry to eight equivalent Tm atoms. Cd is bonded in a body-centered cubic geometry to eight equivalent Tm atoms.

36 MATERIALS SCIENCE↗

Materials Data on TmMn12 by Materials Project

TmMn12 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Tm is bonded in a 12-coordinate geometry to twenty Mn atoms. There are a spread of Tm–Mn bond distances ranging from 2.98–3.15 Å. There are three inequivalent Mn sites. In the first Mn site, Mn is bonded to two equivalent Tm and ten Mn atoms to form a mixture of distorted face, edge, and corner-sharing MnTm2Mn10 cuboctahedra. There are a spread of Mn–Mn bond distances ranging from 2.31–2.55 Å. In the second Mn site, Mn is bonded to two equivalent Tm and ten Mn atoms to form a mixture of distorted face, edge, and corner-sharing MnTm2Mn10 cuboctahedra. There are a spread of Mn–Mn bond distances ranging from 2.55–2.65 Å. In the third Mn site, Mn is bonded in a 1-coordinate geometry to one Tm and thirteen Mn atoms. There are one shorter (2.30 Å) and four longer (2.83 Å) Mn–Mn bond lengths.

36 MATERIALS SCIENCE↗

Materials Data on Tm3AlN by Materials Project

Tm3AlN is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Tm is bonded in a linear geometry to four equivalent Al and two equivalent N atoms. All Tm–Al bond lengths are 3.31 Å. Both Tm–N bond lengths are 2.34 Å. Al is bonded to twelve equivalent Tm atoms to form AlTm12 cuboctahedra that share corners with twelve equivalent AlTm12 cuboctahedra, faces with six equivalent AlTm12 cuboctahedra, and faces with eight equivalent NTm6 octahedra. N is bonded to six equivalent Tm atoms to form NTm6 octahedra that share corners with six equivalent NTm6 octahedra and faces with eight equivalent AlTm12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°.

36 MATERIALS SCIENCE↗

Materials Data on TmInCu4 by Materials Project

TmInCu4 crystallizes in the cubic F-43m space group. The structure is three-dimensional. Tm is bonded in a 12-coordinate geometry to twelve equivalent Cu and four equivalent In atoms. All Tm–Cu bond lengths are 2.98 Å. All Tm–In bond lengths are 3.11 Å. Cu is bonded to three equivalent Tm, six equivalent Cu, and three equivalent In atoms to form a mixture of edge, corner, and face-sharing CuTm3In3Cu6 cuboctahedra. All Cu–Cu bond lengths are 2.54 Å. All Cu–In bond lengths are 2.98 Å. In is bonded in a 4-coordinate geometry to four equivalent Tm and twelve equivalent Cu atoms.

36 MATERIALS SCIENCE↗

Materials Data on TmSnGe by Materials Project

TmSnGe is Zirconium Disilicide-derived structured and crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Tm is bonded in a 10-coordinate geometry to four equivalent Sn and six equivalent Ge atoms. There are two shorter (3.24 Å) and two longer (3.28 Å) Tm–Sn bond lengths. There are four shorter (3.00 Å) and two longer (3.21 Å) Tm–Ge bond lengths. Sn is bonded in a 8-coordinate geometry to four equivalent Tm and four equivalent Sn atoms. All Sn–Sn bond lengths are 2.94 Å. Ge is bonded in a 8-coordinate geometry to six equivalent Tm and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.70 Å.

36 MATERIALS SCIENCE↗

Materials Data on TmCu4Ag by Materials Project

TmAgCu4 crystallizes in the cubic F-43m space group. The structure is three-dimensional. Tm is bonded in a 12-coordinate geometry to four equivalent Ag and twelve equivalent Cu atoms. All Tm–Ag bond lengths are 3.07 Å. All Tm–Cu bond lengths are 2.94 Å. Ag is bonded in a 4-coordinate geometry to four equivalent Tm and twelve equivalent Cu atoms. All Ag–Cu bond lengths are 2.94 Å. Cu is bonded to three equivalent Tm, three equivalent Ag, and six equivalent Cu atoms to form a mixture of edge, face, and corner-sharing CuTm3Cu6Ag3 cuboctahedra. There are three shorter (2.49 Å) and three longer (2.52 Å) Cu–Cu bond lengths.

36 MATERIALS SCIENCE↗

Materials Data on TmGa5Co by Materials Project

TmCoGa5 crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Tm is bonded to twelve Ga atoms to form TmGa12 cuboctahedra that share corners with four equivalent TmGa12 cuboctahedra, faces with four equivalent TmGa12 cuboctahedra, and faces with four equivalent GaTm4Ga8 cuboctahedra. There are eight shorter (2.97 Å) and four longer (2.98 Å) Tm–Ga bond lengths. Co is bonded in a body-centered cubic geometry to eight Ga atoms. All Co–Ga bond lengths are 2.47 Å. There are three inequivalent Ga sites. In the first Ga site, Ga is bonded in a 4-coordinate geometry to two equivalent Tm, two equivalent Co, and seven Ga atoms. There are a spread of Ga–Ga bond distances ranging from 2.59–2.98 Å. In the second Ga site, Ga is bonded in a 4-coordinate geometry to two equivalent Tm, two equivalent Co, and seven Ga atoms. Both Ga–Ga bond lengths are 2.97 Å. In the third Ga site, Ga is bonded to four equivalent Tm and eight Ga atoms to form distorted GaTm4Ga8 cuboctahedra that share corners with four equivalent GaTm4Ga8 cuboctahedra, faces with four equivalent TmGa12 cuboctahedra, and faces with four equivalent GaTm4Ga8 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on TmGa2Ni by Materials Project

TmNiGa2 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Tm is bonded in a 1-coordinate geometry to three equivalent Ni and ten equivalent Ga atoms. There are one shorter (2.82 Å) and two longer (2.98 Å) Tm–Ni bond lengths. There are a spread of Tm–Ga bond distances ranging from 2.96–3.23 Å. Ni is bonded in a 9-coordinate geometry to three equivalent Tm and six equivalent Ga atoms. There are two shorter (2.49 Å) and four longer (2.53 Å) Ni–Ga bond lengths. Ga is bonded in a 12-coordinate geometry to five equivalent Tm, three equivalent Ni, and two equivalent Ga atoms. There are one shorter (2.62 Å) and one longer (2.91 Å) Ga–Ga bond lengths.

36 MATERIALS SCIENCE↗

Materials Data on Tm15C19 by Materials Project

Tm15C19 crystallizes in the tetragonal P-42_1c space group. The structure is three-dimensional. there are five inequivalent Tm3+ sites. In the first Tm3+ site, Tm3+ is bonded to six C+2.37- atoms to form a mixture of edge and corner-sharing TmC6 octahedra. The corner-sharing octahedra tilt angles range from 0–1°. There are a spread of Tm–C bond distances ranging from 2.46–2.63 Å. In the second Tm3+ site, Tm3+ is bonded in a 7-coordinate geometry to seven C+2.37- atoms. There are a spread of Tm–C bond distances ranging from 2.28–2.73 Å. In the third Tm3+ site, Tm3+ is bonded in a 7-coordinate geometry to seven C+2.37- atoms. There are a spread of Tm–C bond distances ranging from 2.29–2.76 Å. In the fourth Tm3+ site, Tm3+ is bonded to six C+2.37- atoms to form a mixture of edge and corner-sharing TmC6 octahedra. The corner-sharing octahedral tilt angles are 0°. There are a spread of Tm–C bond distances ranging from 2.54–2.58 Å. In the fifth Tm3+ site, Tm3+ is bonded to six C+2.37- atoms to form a mixture of edge and corner-sharing TmC6 octahedra. The corner-sharing octahedra tilt angles range from 0–1°. There are two shorter (2.49 Å) and four longer (2.56 Å) Tm–C bond lengths. There are six inequivalent C+2.37- sites. In the first C+2.37- site, C+2.37- is bonded to six Tm3+ atoms to form CTm6 octahedra that share corners with six CTm6 octahedra and edges with twelve CTm5C octahedra. The corner-sharing octahedra tilt angles range from 0–2°. In the second C+2.37- site, C+2.37- is bonded to five Tm3+ and one C+2.37- atom to form distorted CTm5C octahedra that share corners with seven CTm5C octahedra and edges with eight CTm6 octahedra. The corner-sharing octahedra tilt angles range from 0–90°. The C–C bond length is 1.34 Å. In the third C+2.37- site, C+2.37- is bonded in a 6-coordinate geometry to four Tm3+ and two C+2.37- atoms. The C–C bond length is 1.34 Å. In the fourth C+2.37- site, C+2.37- is bonded to five Tm3+ and one C+2.37- atom to form distorted CTm5C octahedra that share corners with seven CTm5C octahedra and edges with eight CTm6 octahedra. The corner-sharing octahedra tilt angles range from 2–91°. In the fifth C+2.37- site, C+2.37- is bonded to six Tm3+ atoms to form a mixture of edge and corner-sharing CTm6 octahedra. The corner-sharing octahedra tilt angles range from 0–91°. In the sixth C+2.37- site, C+2.37- is bonded to six Tm3+ atoms to form a mixture of edge and corner-sharing CTm6 octahedra. The corner-sharing octahedra tilt angles range from 0–2°.

36 MATERIALS SCIENCE↗

Materials Data on TmZn12 by Materials Project

TmZn12 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Tm is bonded in a 4-coordinate geometry to twenty Zn atoms. There are a spread of Tm–Zn bond distances ranging from 3.08–3.37 Å. There are three inequivalent Zn sites. In the first Zn site, Zn is bonded to two equivalent Tm and ten Zn atoms to form a mixture of corner, edge, and face-sharing ZnTm2Zn10 cuboctahedra. There are a spread of Zn–Zn bond distances ranging from 2.59–2.72 Å. In the second Zn site, Zn is bonded in a 12-coordinate geometry to two equivalent Tm and ten Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.69–2.95 Å. In the third Zn site, Zn is bonded in a 10-coordinate geometry to one Tm and nine Zn atoms. The Zn–Zn bond length is 2.58 Å.

36 MATERIALS SCIENCE↗

Materials Data on TmMnIn by Materials Project

TmMnIn crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Tm is bonded to six equivalent Mn and six equivalent In atoms to form a mixture of distorted edge and face-sharing TmMn6In6 cuboctahedra. All Tm–Mn bond lengths are 3.24 Å. All Tm–In bond lengths are 3.24 Å. Mn is bonded in a 3-coordinate geometry to six equivalent Tm and three equivalent In atoms. All Mn–In bond lengths are 2.74 Å. In is bonded in a 3-coordinate geometry to six equivalent Tm and three equivalent Mn atoms.

36 MATERIALS SCIENCE↗

Materials Data on Tm2CuRh by Materials Project

Tm2RhCu 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 Rh and four equivalent Cu atoms. All Tm–Rh bond lengths are 2.94 Å. All Tm–Cu bond lengths are 2.94 Å. Rh 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↗

Materials Data on Tm3Ge13Ru4 by Materials Project

Tm3Ru4Ge13 crystallizes in the cubic Pm-3n space group. The structure is three-dimensional. Tm is bonded in a 8-coordinate geometry to four equivalent Ru and twelve equivalent Ge atoms. All Tm–Ru bond lengths are 3.19 Å. There are eight shorter (3.15 Å) and four longer (3.21 Å) Tm–Ge bond lengths. Ru is bonded in a 6-coordinate geometry to three equivalent Tm and six equivalent Ge atoms. All Ru–Ge bond lengths are 2.49 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 2-coordinate geometry to three equivalent Tm, two equivalent Ru, and two Ge atoms. There are one shorter (2.67 Å) and one longer (3.07 Å) Ge–Ge bond lengths. In the second Ge site, Ge is bonded in a cuboctahedral geometry to twelve equivalent Ge atoms.

36 MATERIALS SCIENCE↗

Materials Data on TmMn6InSn5 by Materials Project

TmMn6Sn5In crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Tm is bonded to eight Sn atoms to form edge-sharing TmSn8 hexagonal bipyramids. There are two shorter (3.01 Å) and six longer (3.12 Å) Tm–Sn bond lengths. Mn is bonded in a 12-coordinate geometry to one In and five Sn atoms. The Mn–In bond length is 2.78 Å. There are a spread of Mn–Sn bond distances ranging from 2.71–2.82 Å. In is bonded in a 9-coordinate geometry to six equivalent Mn and three equivalent Sn atoms. All In–Sn bond lengths are 3.12 Å. There are four inequivalent Sn sites. In the first Sn site, Sn is bonded in a 12-coordinate geometry to three equivalent Tm and six equivalent Mn atoms. In the second Sn site, Sn is bonded in a 12-coordinate geometry to three equivalent Tm and six equivalent Mn atoms. In the third Sn site, Sn is bonded in a 7-coordinate geometry to one Tm and six equivalent Mn atoms. In the fourth Sn site, Sn is bonded in a 9-coordinate geometry to six equivalent Mn and three equivalent In atoms.

36 MATERIALS SCIENCE↗

Materials Data on TmGePt by Materials Project

TmPtGe crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Tm is bonded in a 12-coordinate geometry to six equivalent Pt and six equivalent Ge atoms. There are a spread of Tm–Pt bond distances ranging from 2.95–3.33 Å. There are a spread of Tm–Ge bond distances ranging from 3.00–3.22 Å. Pt is bonded in a 10-coordinate geometry to six equivalent Tm and four equivalent Ge atoms. There are a spread of Pt–Ge bond distances ranging from 2.56–2.72 Å. Ge is bonded in a 10-coordinate geometry to six equivalent Tm and four equivalent Pt atoms.

36 MATERIALS SCIENCE↗

Materials Data on Tm6Mn23 by Materials Project

Tm6Mn23 crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Tm is bonded in a 12-coordinate geometry to twelve Mn atoms. There are a spread of Tm–Mn bond distances ranging from 2.91–3.02 Å. There are four inequivalent Mn sites. In the first Mn site, Mn is bonded in a distorted q6 geometry to three equivalent Tm and nine Mn atoms. There are a spread of Mn–Mn bond distances ranging from 2.44–2.58 Å. In the second Mn site, Mn is bonded in a body-centered cubic geometry to eight equivalent Mn atoms. All Mn–Mn bond lengths are 2.50 Å. In the third Mn site, Mn is bonded to four equivalent Tm and eight Mn atoms to form a mixture of face and corner-sharing MnTm4Mn8 cuboctahedra. All Mn–Mn bond lengths are 2.60 Å. In the fourth Mn site, Mn is bonded in a 10-coordinate geometry to three equivalent Tm and ten Mn atoms. All Mn–Mn bond lengths are 2.89 Å.

36 MATERIALS SCIENCE↗

Materials Data on TmBiPt by Materials Project

TmPtBi is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Tm is bonded to four equivalent Pt and six equivalent Bi atoms to form a mixture of distorted face and corner-sharing TmBi6Pt4 tetrahedra. All Tm–Pt bond lengths are 2.90 Å. All Tm–Bi bond lengths are 3.35 Å. Pt is bonded in a body-centered cubic geometry to four equivalent Tm and four equivalent Bi atoms. All Pt–Bi bond lengths are 2.90 Å. Bi is bonded in a 10-coordinate geometry to six equivalent Tm and four equivalent Pt atoms.

36 MATERIALS SCIENCE↗