Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Ta”

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 901 records · Page 50
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Na3Ta by Materials Project

Na3Ta is Uranium Silicide-like structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Na sites. In the first Na site, Na is bonded to eight Na and four equivalent Ta atoms to form distorted NaNa8Ta4 cuboctahedra that share corners with twelve equivalent NaNa8Ta4 cuboctahedra, edges with eight equivalent NaNa8Ta4 cuboctahedra, edges with eight equivalent TaNa12 cuboctahedra, faces with four equivalent TaNa12 cuboctahedra, and faces with ten equivalent NaNa8Ta4 cuboctahedra. There are four shorter (3.34 Å) and four longer (3.48 Å) Na–Na bond lengths. All Na–Ta bond lengths are 3.48 Å. In the second Na site, Na is bonded in a distorted square co-planar geometry to eight equivalent Na and four equivalent Ta atoms. All Na–Ta bond lengths are 3.34 Å. Ta is bonded to twelve Na atoms to form TaNa12 cuboctahedra that share corners with four equivalent TaNa12 cuboctahedra, edges with eight equivalent TaNa12 cuboctahedra, edges with sixteen equivalent NaNa8Ta4 cuboctahedra, faces with four equivalent TaNa12 cuboctahedra, and faces with eight equivalent NaNa8Ta4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ta2MnMo by Materials Project

Ta2MoMn crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2MoMn ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one Mo and one Mn atom. The Ta–Mo bond length is 2.26 Å. The Ta–Mn bond length is 2.32 Å. Mo is bonded in a linear geometry to two equivalent Ta atoms. Mn is bonded in a linear geometry to two equivalent Ta atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ta2NbW by Materials Project

Ta2NbW crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2NbW ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one Nb and one W atom. The Ta–Nb bond length is 2.34 Å. The Ta–W bond length is 2.36 Å. Nb is bonded in a linear geometry to two equivalent Ta atoms. W is bonded in a linear geometry to two equivalent Ta atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ta2VIr by Materials Project

Ta2VIr 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 V and four equivalent Ir atoms. All Ta–V bond lengths are 2.75 Å. All Ta–Ir bond lengths are 2.75 Å. V is bonded in a distorted body-centered cubic geometry to eight equivalent Ta and six equivalent Ir atoms. All V–Ir bond lengths are 3.17 Å. Ir is bonded in a body-centered cubic geometry to eight equivalent Ta and six equivalent V atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on K3Ta by Materials Project

K3Ta is alpha bismuth trifluoride structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent K sites. In the first K site, K is bonded to four equivalent K and four equivalent Ta atoms to form distorted KK4Ta4 cuboctahedra that share corners with eight equivalent TaK12 cuboctahedra, corners with sixteen KK4Ta4 cuboctahedra, edges with four equivalent TaK12 cuboctahedra, edges with sixteen KK4Ta4 cuboctahedra, and faces with six equivalent KK4Ta4 cuboctahedra. All K–K bond lengths are 4.00 Å. All K–Ta bond lengths are 4.00 Å. In the second K site, K is bonded to eight equivalent K and four equivalent Ta atoms to form KK8Ta4 cuboctahedra that share corners with eight equivalent TaK12 cuboctahedra, corners with twenty KK4Ta4 cuboctahedra, edges with sixteen KK4Ta4 cuboctahedra, faces with four equivalent KK8Ta4 cuboctahedra, and faces with six equivalent TaK12 cuboctahedra. All K–Ta bond lengths are 4.11 Å. Ta is bonded to twelve K atoms to form TaK12 cuboctahedra that share corners with four equivalent TaK12 cuboctahedra, corners with twenty-four KK4Ta4 cuboctahedra, edges with eight equivalent KK4Ta4 cuboctahedra, edges with eight equivalent TaK12 cuboctahedra, faces with four equivalent TaK12 cuboctahedra, and faces with six equivalent KK8Ta4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La3Ta by Materials Project

La3Ta is beta Cu3Ti-like structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent La sites. In the first La site, La is bonded to eight La and four equivalent Ta atoms to form distorted LaLa8Ta4 cuboctahedra that share corners with twelve equivalent LaLa8Ta4 cuboctahedra, edges with eight equivalent TaLa12 cuboctahedra, edges with sixteen LaLa8Ta4 cuboctahedra, faces with four equivalent TaLa12 cuboctahedra, and faces with fourteen LaLa8Ta4 cuboctahedra. All La–La bond lengths are 3.47 Å. All La–Ta bond lengths are 3.47 Å. In the second La site, La is bonded to eight equivalent La and four equivalent Ta atoms to form distorted LaLa8Ta4 cuboctahedra that share corners with four equivalent LaLa8Ta4 cuboctahedra, corners with eight equivalent TaLa12 cuboctahedra, edges with twenty-four LaLa8Ta4 cuboctahedra, faces with six equivalent TaLa12 cuboctahedra, and faces with twelve LaLa8Ta4 cuboctahedra. All La–Ta bond lengths are 3.47 Å. Ta is bonded to twelve La atoms to form TaLa12 cuboctahedra that share corners with four equivalent TaLa12 cuboctahedra, corners with eight equivalent LaLa8Ta4 cuboctahedra, edges with eight equivalent TaLa12 cuboctahedra, edges with sixteen equivalent LaLa8Ta4 cuboctahedra, faces with four equivalent TaLa12 cuboctahedra, and faces with fourteen LaLa8Ta4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ta2VIr by Materials Project

Ta2VIr crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2VIr ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one V and one Ir atom. The Ta–V bond length is 2.17 Å. The Ta–Ir bond length is 2.30 Å. V is bonded in a linear geometry to two equivalent Ta atoms. Ir is bonded in a linear geometry to two equivalent Ta atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ta2MnFe by Materials Project

Ta2MnFe crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2MnFe ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one Mn and one Fe atom. The Ta–Mn bond length is 2.37 Å. The Ta–Fe bond length is 2.25 Å. Mn is bonded in a linear geometry to two equivalent Ta atoms. Fe is bonded in a linear geometry to two equivalent Ta atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ta2VRe by Materials Project

Ta2VRe 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 V and four equivalent Re atoms. All Ta–V bond lengths are 2.76 Å. All Ta–Re bond lengths are 2.76 Å. V is bonded in a distorted body-centered cubic geometry to eight equivalent Ta atoms. Re is bonded in a body-centered cubic geometry to eight equivalent Ta atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ta2CoOs by Materials Project

Ta2OsCo crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2OsCo ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one Os and one Co atom. The Ta–Os bond length is 2.29 Å. The Ta–Co bond length is 2.22 Å. Os is bonded in a linear geometry to two equivalent Ta atoms. Co is bonded in a linear geometry to two equivalent Ta atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ta2ZnRe by Materials Project

Ta2ReZn crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2ReZn ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one Re and one Zn atom. The Ta–Re bond length is 2.28 Å. The Ta–Zn bond length is 2.79 Å. Re is bonded in a linear geometry to two equivalent Ta atoms. Zn is bonded in a linear geometry to two equivalent Ta atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ta2CrRe by Materials Project

Ta2CrRe 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 Cr and four equivalent Re atoms. All Ta–Cr bond lengths are 2.74 Å. All Ta–Re bond lengths are 2.74 Å. Cr is bonded in a distorted body-centered cubic geometry to eight equivalent Ta atoms. Re is bonded in a body-centered cubic geometry to eight equivalent Ta atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ta2VRh by Materials Project

Ta2VRh crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2VRh ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one V and one Rh atom. The Ta–V bond length is 2.16 Å. The Ta–Rh bond length is 2.30 Å. V is bonded in a linear geometry to two equivalent Ta atoms. Rh is bonded in a linear geometry to two equivalent Ta atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ta2FeRu by Materials Project

Ta2RuFe crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2RuFe ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one Ru and one Fe atom. The Ta–Ru bond length is 2.24 Å. The Ta–Fe bond length is 2.10 Å. Ru is bonded in a linear geometry to two equivalent Ta atoms. Fe is bonded in a linear geometry to two equivalent Ta atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ta2FeW by Materials Project

Ta2WFe crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2WFe ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one W and one Fe atom. The Ta–W bond length is 2.36 Å. The Ta–Fe bond length is 2.32 Å. W is bonded in a linear geometry to two equivalent Ta atoms. Fe is bonded in a linear geometry to two equivalent Ta atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ta2TcRu by Materials Project

Ta2TcRu crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2TcRu ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one Tc and one Ru atom. The Ta–Tc bond length is 2.24 Å. The Ta–Ru bond length is 2.25 Å. Tc is bonded in a linear geometry to two equivalent Ta atoms. Ru is bonded in a linear geometry to two equivalent Ta atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TaTi3 by Materials Project

Ti3Ta is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent Ti sites. In the first Ti site, Ti is bonded in a distorted body-centered cubic geometry to four equivalent Ti and four equivalent Ta atoms. All Ti–Ti bond lengths are 2.83 Å. All Ti–Ta bond lengths are 2.83 Å. In the second Ti site, Ti is bonded in a distorted body-centered cubic geometry to eight equivalent Ti and six equivalent Ta atoms. All Ti–Ta bond lengths are 3.27 Å. Ta is bonded in a distorted body-centered cubic geometry to fourteen Ti atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ta2NbRe by Materials Project

Ta2NbRe crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2NbRe ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one Nb and one Re atom. The Ta–Nb bond length is 2.37 Å. The Ta–Re bond length is 2.32 Å. Nb is bonded in a linear geometry to two equivalent Ta atoms. Re is bonded in a linear geometry to two equivalent Ta atoms.

36 MATERIALS SCIENCE↗