Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Dy”

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 37 records · Page 2
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Dy(SiNi5)2 by Materials Project

DyNi10Si2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. Dy is bonded in a 12-coordinate geometry to sixteen Ni and four equivalent Si atoms. There are a spread of Dy–Ni bond distances ranging from 2.88–3.07 Å. All Dy–Si bond lengths are 3.17 Å. There are three inequivalent Ni sites. In the first Ni site, Ni is bonded to two equivalent Dy, eight Ni, and two equivalent Si atoms to form NiDy2Si2Ni8 cuboctahedra that share corners with six equivalent SiDy2Ni10 cuboctahedra, corners with twelve NiDy2Si2Ni8 cuboctahedra, edges with four equivalent NiDy2Si2Ni8 cuboctahedra, edges with four equivalent SiDy2Ni10 cuboctahedra, faces with two equivalent SiDy2Ni10 cuboctahedra, and faces with twelve NiDy2Si2Ni8 cuboctahedra. There are four shorter (2.41 Å) and four longer (2.47 Å) Ni–Ni bond lengths. Both Ni–Si bond lengths are 2.33 Å. In the second Ni site, Ni is bonded in a 12-coordinate geometry to one Dy, eleven Ni, and two equivalent Si atoms. There are a spread of Ni–Ni bond distances ranging from 2.40–2.97 Å. Both Ni–Si bond lengths are 2.52 Å. In the third Ni site, Ni is bonded to two equivalent Dy, eight Ni, and two equivalent Si atoms to form distorted NiDy2Si2Ni8 cuboctahedra that share corners with four equivalent SiDy2Ni10 cuboctahedra, corners with fourteen NiDy2Si2Ni8 cuboctahedra, edges with two equivalent SiDy2Ni10 cuboctahedra, edges with five NiDy2Si2Ni8 cuboctahedra, faces with four equivalent SiDy2Ni10 cuboctahedra, and faces with eleven NiDy2Si2Ni8 cuboctahedra. Both Ni–Ni bond lengths are 2.58 Å. Both Ni–Si bond lengths are 2.31 Å. Si is bonded to two equivalent Dy and ten Ni atoms to form distorted SiDy2Ni10 cuboctahedra that share corners with four equivalent SiDy2Ni10 cuboctahedra, corners with fourteen NiDy2Si2Ni8 cuboctahedra, edges with eight NiDy2Si2Ni8 cuboctahedra, faces with four equivalent SiDy2Ni10 cuboctahedra, and faces with ten NiDy2Si2Ni8 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(Al2Cu)4 by Materials Project

Dy(CuAl2)4 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy is bonded in a 12-coordinate geometry to eight equivalent Cu and twelve Al atoms. All Dy–Cu bond lengths are 3.37 Å. There are four shorter (3.07 Å) and eight longer (3.21 Å) Dy–Al bond lengths. Cu is bonded in a 12-coordinate geometry to two equivalent Dy, two equivalent Cu, and eight Al atoms. Both Cu–Cu bond lengths are 2.57 Å. There are four shorter (2.56 Å) and four longer (2.69 Å) Cu–Al bond lengths. There are two inequivalent Al sites. In the first Al site, Al is bonded in a 12-coordinate geometry to two equivalent Dy, four equivalent Cu, and six Al atoms. There are a spread of Al–Al bond distances ranging from 2.73–2.82 Å. In the second Al site, Al is bonded in a 10-coordinate geometry to one Dy, four equivalent Cu, and five Al atoms. The Al–Al bond length is 2.68 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(Al2Cr)4 by Materials Project

Dy(CrAl2)4 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy is bonded in a 12-coordinate geometry to eight equivalent Cr and twelve Al atoms. All Dy–Cr bond lengths are 3.40 Å. There are four shorter (3.01 Å) and eight longer (3.21 Å) Dy–Al bond lengths. Cr is bonded to two equivalent Dy, two equivalent Cr, and eight Al atoms to form distorted CrDy2Al8Cr2 cuboctahedra that share corners with eight equivalent AlDy2Al6Cr4 cuboctahedra, corners with ten equivalent CrDy2Al8Cr2 cuboctahedra, edges with four equivalent CrDy2Al8Cr2 cuboctahedra, edges with four equivalent AlDy2Al6Cr4 cuboctahedra, faces with six equivalent CrDy2Al8Cr2 cuboctahedra, and faces with eight equivalent AlDy2Al6Cr4 cuboctahedra. Both Cr–Cr bond lengths are 2.52 Å. There are four shorter (2.58 Å) and four longer (2.68 Å) Cr–Al bond lengths. There are two inequivalent Al sites. In the first Al site, Al is bonded to two equivalent Dy, four equivalent Cr, and six Al atoms to form distorted AlDy2Al6Cr4 cuboctahedra that share corners with eight equivalent CrDy2Al8Cr2 cuboctahedra, corners with ten equivalent AlDy2Al6Cr4 cuboctahedra, edges with three equivalent AlDy2Al6Cr4 cuboctahedra, edges with four equivalent CrDy2Al8Cr2 cuboctahedra, faces with seven equivalent AlDy2Al6Cr4 cuboctahedra, and faces with eight equivalent CrDy2Al8Cr2 cuboctahedra. There are a spread of Al–Al bond distances ranging from 2.72–2.87 Å. In the second Al site, Al is bonded in a 10-coordinate geometry to one Dy, four equivalent Cr, and five Al atoms. The Al–Al bond length is 2.90 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(SiIr)2 by Materials Project

DyIr2Si2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. Dy is bonded in a 8-coordinate geometry to eight Ir and eight Si atoms. There are four shorter (3.14 Å) and four longer (3.25 Å) Dy–Ir bond lengths. There are four shorter (3.16 Å) and four longer (3.18 Å) Dy–Si bond lengths. There are two inequivalent Ir sites. In the first Ir site, Ir is bonded to four equivalent Dy and four equivalent Si atoms to form distorted IrDy4Si4 tetrahedra that share corners with twelve equivalent SiDy4Ir4 tetrahedra, edges with two equivalent SiDy4Ir4 tetrahedra, edges with four equivalent IrDy4Si4 tetrahedra, and faces with four equivalent IrDy4Si4 tetrahedra. All Ir–Si bond lengths are 2.44 Å. In the second Ir site, Ir is bonded in a 9-coordinate geometry to four equivalent Dy and five Si atoms. There are one shorter (2.37 Å) and four longer (2.42 Å) Ir–Si bond lengths. There are two inequivalent Si sites. In the first Si site, Si is bonded to four equivalent Dy and four equivalent Ir atoms to form distorted SiDy4Ir4 tetrahedra that share corners with twelve equivalent IrDy4Si4 tetrahedra, edges with two equivalent IrDy4Si4 tetrahedra, edges with four equivalent SiDy4Ir4 tetrahedra, and faces with four equivalent SiDy4Ir4 tetrahedra. In the second Si site, Si is bonded in a 9-coordinate geometry to four equivalent Dy and five Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(ClO2)3 by Materials Project

Dy(O2Cl)3 crystallizes in the monoclinic P2/c space group. The structure is two-dimensional and consists of one Dy(O2Cl)3 sheet oriented in the (0, 1, 0) direction. Dy is bonded in an octahedral geometry to six O atoms. There are a spread of Dy–O bond distances ranging from 2.26–2.29 Å. There are three inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to one Dy and one Cl atom. The O–Cl bond length is 1.56 Å. In the second O site, O is bonded in a distorted bent 120 degrees geometry to one Dy and one Cl atom. The O–Cl bond length is 1.70 Å. In the third O site, O is bonded in a bent 150 degrees geometry to one Dy and one Cl atom. The O–Cl bond length is 1.68 Å. There are two inequivalent Cl sites. In the first Cl site, Cl is bonded in a linear geometry to two O atoms. In the second Cl site, Cl is bonded in a bent 120 degrees geometry to two equivalent O atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(GePt)2 by Materials Project

Dy(PtGe)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy is bonded in a 8-coordinate geometry to eight equivalent Pt and eight equivalent Ge atoms. All Dy–Pt bond lengths are 3.30 Å. All Dy–Ge bond lengths are 3.34 Å. Pt is bonded in a 4-coordinate geometry to four equivalent Dy and four equivalent Ge atoms. All Pt–Ge bond lengths are 2.52 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Dy, four equivalent Pt, and one Ge atom. The Ge–Ge bond length is 2.45 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(GePd)2 by Materials Project

Dy(PdGe)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent Ge atoms. All Dy–Pd bond lengths are 3.32 Å. All Dy–Ge bond lengths are 3.27 Å. Pd is bonded in a 4-coordinate geometry to four equivalent Dy and four equivalent Ge atoms. All Pd–Ge bond lengths are 2.52 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Dy, four equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.44 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(SiRh)2 by Materials Project

Dy(RhSi)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy is bonded in a 8-coordinate geometry to eight equivalent Rh and eight equivalent Si atoms. All Dy–Rh bond lengths are 3.22 Å. All Dy–Si bond lengths are 3.12 Å. Rh is bonded to four equivalent Dy and four equivalent Si atoms to form a mixture of distorted edge, face, and corner-sharing RhDy4Si4 tetrahedra. All Rh–Si bond lengths are 2.40 Å. Si is bonded in a 9-coordinate geometry to four equivalent Dy, four equivalent Rh, and one Si atom. The Si–Si bond length is 2.43 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(SiPt)2 by Materials Project

Dy(PtSi)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy is bonded in a 8-coordinate geometry to eight equivalent Pt and eight equivalent Si atoms. All Dy–Pt bond lengths are 3.24 Å. All Dy–Si bond lengths are 3.19 Å. Pt is bonded to four equivalent Dy and four equivalent Si atoms to form a mixture of distorted corner, edge, and face-sharing PtDy4Si4 tetrahedra. All Pt–Si bond lengths are 2.47 Å. Si is bonded in a 9-coordinate geometry to four equivalent Dy, four equivalent Pt, and one Si atom. The Si–Si bond length is 2.32 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(GeRh)2 by Materials Project

Dy(RhGe)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy is bonded in a 8-coordinate geometry to eight equivalent Rh and eight equivalent Ge atoms. All Dy–Rh bond lengths are 3.32 Å. All Dy–Ge bond lengths are 3.19 Å. Rh is bonded to four equivalent Dy and four equivalent Ge atoms to form a mixture of distorted edge, face, and corner-sharing RhDy4Ge4 tetrahedra. All Rh–Ge bond lengths are 2.46 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Dy, four equivalent Rh, and one Ge atom. The Ge–Ge bond length is 2.52 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(Al2Fe)4 by Materials Project

DyFe4Al8 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy is bonded in a 12-coordinate geometry to eight equivalent Fe and twelve Al atoms. All Dy–Fe bond lengths are 3.32 Å. There are four shorter (2.96 Å) and eight longer (3.16 Å) Dy–Al bond lengths. Fe is bonded in a 12-coordinate geometry to two equivalent Dy, two equivalent Fe, and eight Al atoms. Both Fe–Fe bond lengths are 2.51 Å. There are four shorter (2.52 Å) and four longer (2.63 Å) Fe–Al bond lengths. There are two inequivalent Al sites. In the first Al site, Al is bonded in a 10-coordinate geometry to one Dy, four equivalent Fe, and five Al atoms. There are a spread of Al–Al bond distances ranging from 2.72–2.80 Å. In the second Al site, Al is bonded in a 12-coordinate geometry to two equivalent Dy, four equivalent Fe, and six Al atoms. Both Al–Al bond lengths are 2.72 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(FeB)2 by Materials Project

Dy(FeB)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy is bonded in a 8-coordinate geometry to eight equivalent Fe and eight equivalent B atoms. All Dy–Fe bond lengths are 2.96 Å. All Dy–B bond lengths are 2.96 Å. Fe is bonded in a 4-coordinate geometry to four equivalent Dy and four equivalent B atoms. All Fe–B bond lengths are 2.00 Å. B is bonded in a 4-coordinate geometry to four equivalent Dy and four equivalent Fe atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(PRu)2 by Materials Project

Dy(RuP)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy is bonded in a 8-coordinate geometry to eight equivalent Ru and eight equivalent P atoms. All Dy–Ru bond lengths are 3.14 Å. All Dy–P bond lengths are 3.11 Å. Ru is bonded in a 12-coordinate geometry to four equivalent Dy and four equivalent P atoms. All Ru–P bond lengths are 2.35 Å. P is bonded in a 9-coordinate geometry to four equivalent Dy, four equivalent Ru, and one P atom. The P–P bond length is 2.39 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(SiPt)2 by Materials Project

Dy(PtSi)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy is bonded in a 8-coordinate geometry to eight equivalent Pt and eight equivalent Si atoms. All Dy–Pt bond lengths are 3.27 Å. All Dy–Si bond lengths are 3.28 Å. Pt is bonded in a 4-coordinate geometry to four equivalent Dy and four equivalent Si atoms. All Pt–Si bond lengths are 2.41 Å. Si is bonded in a 4-coordinate geometry to four equivalent Dy and four equivalent Pt atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(BIr)2 by Materials Project

Dy(IrB)2 is alpha Pu-derived structured and crystallizes in the orthorhombic Fddd space group. The structure is three-dimensional. Dy is bonded in a 2-coordinate geometry to eight equivalent Ir and ten equivalent B atoms. There are four shorter (3.06 Å) and four longer (3.20 Å) Dy–Ir bond lengths. There are a spread of Dy–B bond distances ranging from 2.98–3.33 Å. Ir is bonded in a 4-coordinate geometry to four equivalent Dy and four equivalent B atoms. There are two shorter (2.08 Å) and two longer (2.18 Å) Ir–B bond lengths. B is bonded in a 4-coordinate geometry to five equivalent Dy and four equivalent Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(Fe2Si)2 by Materials Project

Dy(Fe2Si)2 crystallizes in the tetragonal P4_2/mnm space group. The structure is three-dimensional. Dy is bonded in a 6-coordinate geometry to twelve equivalent Fe and six equivalent Si atoms. There are four shorter (3.12 Å) and eight longer (3.19 Å) Dy–Fe bond lengths. There are two shorter (2.82 Å) and four longer (2.89 Å) Dy–Si bond lengths. Fe is bonded in a 12-coordinate geometry to three equivalent Dy, six equivalent Fe, and three equivalent Si atoms. There are a spread of Fe–Fe bond distances ranging from 2.41–2.69 Å. There are one shorter (2.36 Å) and two longer (2.39 Å) Fe–Si bond lengths. Si is bonded in a 9-coordinate geometry to three equivalent Dy and six equivalent Fe atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(PPd)2 by Materials Project

Dy(PdP)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent P atoms. All Dy–Pd bond lengths are 3.22 Å. All Dy–P bond lengths are 3.10 Å. Pd is bonded to four equivalent Dy, four equivalent Pd, and four equivalent P atoms to form a mixture of distorted corner, edge, and face-sharing PdDy4P4Pd4 cuboctahedra. All Pd–Pd bond lengths are 2.89 Å. All Pd–P bond lengths are 2.47 Å. P is bonded in a 9-coordinate geometry to four equivalent Dy, four equivalent Pd, and one P atom. The P–P bond length is 2.20 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(CoGe)2 by Materials Project

DyCo2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy is bonded in a 8-coordinate geometry to eight equivalent Co and eight equivalent Ge atoms. All Dy–Co bond lengths are 3.22 Å. All Dy–Ge bond lengths are 3.09 Å. Co is bonded to four equivalent Dy and four equivalent Ge atoms to form a mixture of distorted edge, face, and corner-sharing CoDy4Ge4 tetrahedra. All Co–Ge bond lengths are 2.34 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Dy, four equivalent Co, and one Ge atom. The Ge–Ge bond length is 2.59 Å.

36 MATERIALS SCIENCE↗