SEARCH · Engineering Papers
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.
Ag3Tb is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Tb is bonded to twelve equivalent Ag atoms to form a mixture of face and corner-sharing TbAg12 cuboctahedra. There are six shorter (3.12 Å) and six longer (3.17 Å) Tb–Ag bond lengths. Ag is bonded in a 4-coordinate geometry to four equivalent Tb atoms.
TbPd is alpha-derived structured and crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Tb is bonded in a 7-coordinate geometry to seven equivalent Pd atoms. There are a spread of Tb–Pd bond distances ranging from 2.94–3.02 Å. Pd is bonded in a 7-coordinate geometry to seven equivalent Tb atoms.
TbNi crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Tb is bonded in a 7-coordinate geometry to seven equivalent Ni atoms. There are a spread of Tb–Ni bond distances ranging from 2.85–2.95 Å. Ni is bonded in a 9-coordinate geometry to seven equivalent Tb and two equivalent Ni atoms. Both Ni–Ni bond lengths are 2.60 Å.
AuTb is alpha-derived structured and crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Tb is bonded in a 7-coordinate geometry to seven equivalent Au atoms. There are a spread of Tb–Au bond distances ranging from 3.02–3.14 Å. Au is bonded in a 7-coordinate geometry to seven equivalent Tb atoms.
TbHg2 crystallizes in the trigonal P-3m1 space group. The structure is two-dimensional and consists of one TbHg2 sheet oriented in the (0, 0, 1) direction. Tb is bonded in a distorted hexagonal planar geometry to six equivalent Hg atoms. All Tb–Hg bond lengths are 3.11 Å. Hg is bonded in a distorted trigonal planar geometry to three equivalent Tb atoms.
TbAl is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Tb is bonded in a body-centered cubic geometry to eight equivalent Al atoms. All Tb–Al bond lengths are 3.13 Å. Al is bonded in a body-centered cubic geometry to eight equivalent Tb atoms.
TbO3 crystallizes in the hexagonal P6_3/m space group. The structure is three-dimensional. Tb is bonded in a 9-coordinate geometry to nine equivalent O atoms. There are three shorter (2.32 Å) and six longer (2.42 Å) Tb–O bond lengths. O is bonded in a distorted trigonal planar geometry to three equivalent Tb atoms.
CaTbRh2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ca is bonded in a body-centered cubic geometry to eight equivalent Rh atoms. All Ca–Rh bond lengths are 2.97 Å. Tb is bonded in a body-centered cubic geometry to eight equivalent Rh atoms. All Tb–Rh bond lengths are 2.97 Å. Rh is bonded in a body-centered cubic geometry to four equivalent Ca and four equivalent Tb atoms.
HoTbHg2 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 eight equivalent Hg atoms. All Ho–Hg bond lengths are 3.23 Å. Tb is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Tb–Hg bond lengths are 3.23 Å. Hg is bonded in a body-centered cubic geometry to four equivalent Ho and four equivalent Tb atoms.
Tb3CrS6 crystallizes in the orthorhombic Pnnm space group. The structure is three-dimensional. there are three inequivalent Tb3+ sites. In the first Tb3+ site, Tb3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Tb–S bond distances ranging from 2.78–2.97 Å. In the second Tb3+ site, Tb3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Tb–S bond distances ranging from 2.78–3.07 Å. In the third Tb3+ site, Tb3+ is bonded to seven S2- atoms to form distorted TbS7 pentagonal bipyramids that share a cornercorner with one CrS6 octahedra, edges with two equivalent CrS6 octahedra, and edges with two equivalent TbS7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 33°. There are a spread of Tb–S bond distances ranging from 2.73–2.87 Å. There are two inequivalent Cr3+ sites. In the first Cr3+ site, Cr3+ is bonded to six S2- atoms to form CrS6 octahedra that share edges with two equivalent CrS6 octahedra and edges with four equivalent TbS7 pentagonal bipyramids. There are two shorter (2.41 Å) and four longer (2.47 Å) Cr–S bond lengths. In the second Cr3+ site, Cr3+ is bonded to six S2- atoms to form CrS6 octahedra that share corners with two equivalent TbS7 pentagonal bipyramids and edges with two equivalent CrS6 octahedra. There are two shorter (2.35 Å) and four longer (2.50 Å) Cr–S bond lengths. There are six inequivalent S2- sites. In the first S2- site, S2- is bonded in a 5-coordinate geometry to five Tb3+ atoms. In the second S2- site, S2- is bonded in a 5-coordinate geometry to three Tb3+ and two equivalent Cr3+ atoms. In the third S2- site, S2- is bonded to three Tb3+ and one Cr3+ atom to form distorted STb3Cr trigonal pyramids that share corners with two equivalent STb4Cr square pyramids, corners with five STb5 trigonal bipyramids, corners with three equivalent STb3Cr trigonal pyramids, and a faceface with one STb5 trigonal bipyramid. In the fourth S2- site, S2- is bonded to five Tb3+ atoms to form distorted STb5 trigonal bipyramids that share corners with four equivalent STb4Cr square pyramids, a cornercorner with one STb3Cr2 trigonal bipyramid, corners with two equivalent STb3Cr trigonal pyramids, an edgeedge with one STb4Cr square pyramid, edges with four STb5 trigonal bipyramids, and a faceface with one STb3Cr trigonal pyramid. In the fifth S2- site, S2- is bonded to four Tb3+ and one Cr3+ atom to form distorted STb4Cr square pyramids that share a cornercorner with one STb4Cr square pyramid, corners with four equivalent STb5 trigonal bipyramids, corners with two equivalent STb3Cr trigonal pyramids, edges with two equivalent STb4Cr square pyramids, and edges with five STb5 trigonal bipyramids. In the sixth S2- site, S2- is bonded to three Tb3+ and two equivalent Cr3+ atoms to form distorted STb3Cr2 trigonal bipyramids that share corners with five STb5 trigonal bipyramids, corners with three equivalent STb3Cr trigonal pyramids, edges with four equivalent STb4Cr square pyramids, and edges with three STb3Cr2 trigonal bipyramids.
Tb3FeGaS7 crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. there are three inequivalent Tb3+ sites. In the first Tb3+ site, Tb3+ is bonded to seven S2- atoms to form distorted TbS7 pentagonal bipyramids that share a cornercorner with one FeS6 octahedra, corners with four TbS7 pentagonal bipyramids, corners with two equivalent GaS4 tetrahedra, an edgeedge with one FeS6 octahedra, edges with two equivalent TbS7 pentagonal bipyramids, an edgeedge with one GaS4 tetrahedra, and a faceface with one FeS6 octahedra. The corner-sharing octahedral tilt angles are 25°. There are a spread of Tb–S bond distances ranging from 2.75–2.99 Å. In the second Tb3+ site, Tb3+ is bonded in a 7-coordinate geometry to seven S2- atoms. There are a spread of Tb–S bond distances ranging from 2.77–3.01 Å. In the third Tb3+ site, Tb3+ is bonded to seven S2- atoms to form distorted TbS7 pentagonal bipyramids that share a cornercorner with one FeS6 octahedra, corners with four TbS7 pentagonal bipyramids, corners with two equivalent GaS4 tetrahedra, an edgeedge with one FeS6 octahedra, edges with two equivalent TbS7 pentagonal bipyramids, an edgeedge with one GaS4 tetrahedra, and a faceface with one FeS6 octahedra. The corner-sharing octahedral tilt angles are 26°. There are a spread of Tb–S bond distances ranging from 2.76–3.00 Å. Fe2+ is bonded to six S2- atoms to form FeS6 octahedra that share corners with two TbS7 pentagonal bipyramids, edges with two TbS7 pentagonal bipyramids, faces with two equivalent FeS6 octahedra, and faces with two TbS7 pentagonal bipyramids. There are a spread of Fe–S bond distances ranging from 2.44–2.59 Å. Ga3+ is bonded to four S2- atoms to form GaS4 tetrahedra that share corners with four TbS7 pentagonal bipyramids and edges with two TbS7 pentagonal bipyramids. There are a spread of Ga–S bond distances ranging from 2.27–2.29 Å. There are seven inequivalent S2- sites. In the first S2- site, S2- is bonded to three Tb3+ and two equivalent Fe2+ atoms to form distorted STb3Fe2 square pyramids that share corners with two equivalent STb3Fe2 square pyramids, corners with three equivalent STb3Ga tetrahedra, edges with four STb3Fe2 square pyramids, and faces with two STb3Fe2 square pyramids. In the second S2- site, S2- is bonded to three Tb3+ and two equivalent Fe2+ atoms to form distorted STb3Fe2 square pyramids that share corners with two equivalent STb3Fe2 square pyramids, corners with three equivalent STb3Ga tetrahedra, edges with four STb3Fe2 square pyramids, and faces with two STb3Fe2 square pyramids. In the third S2- site, S2- is bonded to three Tb3+ and two equivalent Fe2+ atoms to form distorted STb3Fe2 square pyramids that share corners with two equivalent STb3Fe2 square pyramids, corners with three equivalent STb3Ga tetrahedra, edges with four STb3Fe2 square pyramids, and faces with two STb3Fe2 square pyramids. In the fourth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Tb3+ and one Ga3+ atom. In the fifth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Tb3+ and one Ga3+ atom. In the sixth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Tb3+ and one Ga3+ atom. In the seventh S2- site, S2- is bonded to three Tb3+ and one Ga3+ atom to form distorted corner-sharing STb3Ga tetrahedra.
Tb2(Rh3B2)3 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Tb is bonded in a 6-coordinate geometry to six equivalent Rh atoms. All Tb–Rh bond lengths are 3.02 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 6-coordinate geometry to two equivalent Tb and four B atoms. There are two shorter (2.15 Å) and two longer (2.17 Å) Rh–B bond lengths. In the second Rh site, Rh is bonded in a distorted square co-planar geometry to four equivalent B atoms. All Rh–B bond lengths are 2.17 Å. There are two inequivalent B sites. In the first B site, B is bonded to six equivalent Rh atoms to form distorted edge-sharing BRh6 pentagonal pyramids. In the second B site, B is bonded in a 6-coordinate geometry to six Rh atoms.
Tb5BSi3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. there are two inequivalent Tb3+ sites. In the first Tb3+ site, Tb3+ is bonded to six equivalent Si4- atoms to form a mixture of distorted face, edge, and corner-sharing TbSi6 octahedra. The corner-sharing octahedral tilt angles are 32°. All Tb–Si bond lengths are 3.07 Å. In the second Tb3+ site, Tb3+ is bonded in a 7-coordinate geometry to two equivalent B3- and five equivalent Si4- atoms. Both Tb–B bond lengths are 2.61 Å. There are a spread of Tb–Si bond distances ranging from 3.01–3.47 Å. B3- is bonded to six equivalent Tb3+ atoms to form face-sharing BTb6 octahedra. Si4- is bonded in a 9-coordinate geometry to nine Tb3+ atoms.
Sr3Tb is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Sr is bonded to eight equivalent Sr and four equivalent Tb atoms to form SrSr8Tb4 cuboctahedra that share corners with four equivalent TbSr12 cuboctahedra, corners with fourteen equivalent SrSr8Tb4 cuboctahedra, edges with six equivalent TbSr12 cuboctahedra, edges with twelve equivalent SrSr8Tb4 cuboctahedra, faces with four equivalent TbSr12 cuboctahedra, and faces with sixteen equivalent SrSr8Tb4 cuboctahedra. There are a spread of Sr–Sr bond distances ranging from 3.94–4.19 Å. There are two shorter (3.98 Å) and two longer (4.07 Å) Sr–Tb bond lengths. Tb is bonded to twelve equivalent Sr atoms to form TbSr12 cuboctahedra that share corners with six equivalent TbSr12 cuboctahedra, corners with twelve equivalent SrSr8Tb4 cuboctahedra, edges with eighteen equivalent SrSr8Tb4 cuboctahedra, faces with eight equivalent TbSr12 cuboctahedra, and faces with twelve equivalent SrSr8Tb4 cuboctahedra.
HoTbRh2 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 eight equivalent Rh atoms. All Ho–Rh bond lengths are 2.97 Å. Tb is bonded in a body-centered cubic geometry to eight equivalent Rh atoms. All Tb–Rh bond lengths are 2.97 Å. Rh is bonded in a body-centered cubic geometry to four equivalent Ho and four equivalent Tb atoms.
YbTbPd2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Yb is bonded in a body-centered cubic geometry to eight equivalent Pd atoms. All Yb–Pd bond lengths are 3.02 Å. Tb is bonded in a body-centered cubic geometry to eight equivalent Pd atoms. All Tb–Pd bond lengths are 3.02 Å. Pd is bonded in a body-centered cubic geometry to four equivalent Yb and four equivalent Tb atoms.
Rb3Tb is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent Rb sites. In the first Rb site, Rb is bonded in a distorted body-centered cubic geometry to four equivalent Rb and four equivalent Tb atoms. All Rb–Rb bond lengths are 4.45 Å. All Rb–Tb bond lengths are 4.45 Å. In the second Rb site, Rb is bonded in a body-centered cubic geometry to eight equivalent Rb atoms. Tb is bonded in a body-centered cubic geometry to eight equivalent Rb atoms.
ErTbIr2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Er is bonded in a body-centered cubic geometry to eight equivalent Ir atoms. All Er–Ir bond lengths are 2.96 Å. Tb is bonded in a body-centered cubic geometry to eight equivalent Ir atoms. All Tb–Ir bond lengths are 2.96 Å. Ir is bonded in a body-centered cubic geometry to four equivalent Er and four equivalent Tb atoms.