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 1,171 records · Page 65

Materials Data on Dy4Ni by Materials Project

Dy4Ni is Iron carbide-like structured and crystallizes in the cubic Fd-3m space group. The structure is zero-dimensional and consists of eight Dy4Ni clusters. Dy is bonded in a single-bond geometry to one Ni atom. The Dy–Ni bond length is 2.52 Å. Ni is bonded in a tetrahedral geometry to four equivalent Dy atoms.

36 MATERIALS SCIENCE↗

Materials Data on LaDyTl2 by Materials Project

DyLaTl2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Dy is bonded in a body-centered cubic geometry to eight equivalent Tl atoms. All Dy–Tl bond lengths are 3.37 Å. La is bonded in a body-centered cubic geometry to eight equivalent Tl atoms. All La–Tl bond lengths are 3.37 Å. Tl is bonded in a body-centered cubic geometry to four equivalent Dy and four equivalent La atoms.

36 MATERIALS SCIENCE↗

Materials Data on DyTlRh2 by Materials Project

DyRh2Tl is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Dy is bonded in a body-centered cubic geometry to eight equivalent Rh atoms. All Dy–Rh bond lengths are 2.90 Å. Rh is bonded in a body-centered cubic geometry to four equivalent Dy and four equivalent Tl atoms. All Rh–Tl bond lengths are 2.90 Å. Tl is bonded in a body-centered cubic geometry to eight equivalent Rh atoms.

36 MATERIALS SCIENCE↗

Materials Data on Dy3CuSe6 by Materials Project

Dy3CuSe6 crystallizes in the orthorhombic Pca2_1 space group. The structure is three-dimensional. there are three inequivalent Dy3+ sites. In the first Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight Se2- atoms. There are a spread of Dy–Se bond distances ranging from 2.78–3.10 Å. In the second Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight Se2- atoms. There are a spread of Dy–Se bond distances ranging from 2.96–3.10 Å. In the third Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight Se2- atoms. There are a spread of Dy–Se bond distances ranging from 2.86–3.17 Å. Cu3+ is bonded to four Se2- atoms to form distorted corner-sharing CuSe4 trigonal pyramids. There are a spread of Cu–Se bond distances ranging from 2.42–2.53 Å. There are six inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 1-coordinate geometry to four Dy3+ and one Cu3+ atom. In the second Se2- site, Se2- is bonded to four Dy3+ atoms to form distorted corner-sharing SeDy4 trigonal pyramids. In the third Se2- site, Se2- is bonded in a 6-coordinate geometry to four Dy3+ and two equivalent Cu3+ atoms. In the fourth Se2- site, Se2- is bonded in a 5-coordinate geometry to four Dy3+ and one Cu3+ atom. In the fifth Se2- site, Se2- is bonded in a 5-coordinate geometry to four Dy3+ and one Se2- atom. The Se–Se bond length is 2.46 Å. In the sixth Se2- site, Se2- is bonded in a 6-coordinate geometry to four Dy3+ and one Se2- atom.

36 MATERIALS SCIENCE↗

Materials Data on Ba3Dy by Materials Project

Ba3Dy is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ba is bonded to eight equivalent Ba and four equivalent Dy atoms to form distorted BaBa8Dy4 cuboctahedra that share corners with four equivalent DyBa12 cuboctahedra, corners with fourteen equivalent BaBa8Dy4 cuboctahedra, edges with six equivalent DyBa12 cuboctahedra, edges with twelve equivalent BaBa8Dy4 cuboctahedra, faces with four equivalent DyBa12 cuboctahedra, and faces with sixteen equivalent BaBa8Dy4 cuboctahedra. There are a spread of Ba–Ba bond distances ranging from 4.06–4.35 Å. There are two shorter (4.10 Å) and two longer (4.21 Å) Ba–Dy bond lengths. Dy is bonded to twelve equivalent Ba atoms to form DyBa12 cuboctahedra that share corners with six equivalent DyBa12 cuboctahedra, corners with twelve equivalent BaBa8Dy4 cuboctahedra, edges with eighteen equivalent BaBa8Dy4 cuboctahedra, faces with eight equivalent DyBa12 cuboctahedra, and faces with twelve equivalent BaBa8Dy4 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on DyYMn2O6 by Materials Project

DyYMn2O6 crystallizes in the trigonal P3 space group. The structure is three-dimensional. there are three inequivalent Dy3+ sites. In the first Dy3+ site, Dy3+ is bonded to seven O2- atoms to form distorted DyO7 pentagonal bipyramids that share corners with three equivalent MnO5 trigonal bipyramids, edges with three equivalent DyO7 pentagonal bipyramids, edges with three equivalent YO7 pentagonal bipyramids, and edges with three equivalent MnO5 trigonal bipyramids. There are a spread of Dy–O bond distances ranging from 2.29–2.44 Å. In the second Dy3+ site, Dy3+ is bonded to seven O2- atoms to form distorted DyO7 pentagonal bipyramids that share corners with three equivalent MnO5 trigonal bipyramids, edges with six YO7 pentagonal bipyramids, and edges with three equivalent MnO5 trigonal bipyramids. There are a spread of Dy–O bond distances ranging from 2.30–2.34 Å. In the third Dy3+ site, Dy3+ is bonded to seven O2- atoms to form distorted DyO7 pentagonal bipyramids that share corners with three equivalent MnO5 trigonal bipyramids, edges with three equivalent DyO7 pentagonal bipyramids, edges with three equivalent YO7 pentagonal bipyramids, and edges with three equivalent MnO5 trigonal bipyramids. There are a spread of Dy–O bond distances ranging from 2.30–2.34 Å. There are three inequivalent Y3+ sites. In the first Y3+ site, Y3+ is bonded to seven O2- atoms to form distorted YO7 pentagonal bipyramids that share corners with three equivalent MnO5 trigonal bipyramids, edges with three equivalent DyO7 pentagonal bipyramids, edges with three equivalent YO7 pentagonal bipyramids, and edges with three equivalent MnO5 trigonal bipyramids. There are a spread of Y–O bond distances ranging from 2.30–2.45 Å. In the second Y3+ site, Y3+ is bonded to seven O2- atoms to form distorted YO7 pentagonal bipyramids that share corners with three equivalent MnO5 trigonal bipyramids, edges with three equivalent DyO7 pentagonal bipyramids, edges with three equivalent YO7 pentagonal bipyramids, and edges with three equivalent MnO5 trigonal bipyramids. There are a spread of Y–O bond distances ranging from 2.30–2.46 Å. In the third Y3+ site, Y3+ is bonded to seven O2- atoms to form distorted YO7 pentagonal bipyramids that share corners with three equivalent MnO5 trigonal bipyramids, edges with six DyO7 pentagonal bipyramids, and edges with three equivalent MnO5 trigonal bipyramids. There are a spread of Y–O bond distances ranging from 2.30–2.45 Å. There are two inequivalent Mn3+ sites. In the first Mn3+ site, Mn3+ is bonded to five O2- atoms to form MnO5 trigonal bipyramids that share a cornercorner with one YO7 pentagonal bipyramid, corners with two DyO7 pentagonal bipyramids, corners with six equivalent MnO5 trigonal bipyramids, an edgeedge with one DyO7 pentagonal bipyramid, and edges with two YO7 pentagonal bipyramids. There are a spread of Mn–O bond distances ranging from 1.91–2.10 Å. In the second Mn3+ site, Mn3+ is bonded to five O2- atoms to form MnO5 trigonal bipyramids that share a cornercorner with one DyO7 pentagonal bipyramid, corners with two YO7 pentagonal bipyramids, corners with six equivalent MnO5 trigonal bipyramids, an edgeedge with one YO7 pentagonal bipyramid, and edges with two DyO7 pentagonal bipyramids. There are a spread of Mn–O bond distances ranging from 1.91–2.10 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded to one Dy3+, two Y3+, and one Mn3+ atom to form distorted ODyY2Mn tetrahedra that share corners with ten ODyY2Mn tetrahedra, corners with four OYMn3 trigonal pyramids, edges with three equivalent ODyY2Mn tetrahedra, and an edgeedge with one ODyMn3 trigonal pyramid. In the second O2- site, O2- is bonded to two Dy3+, one Y3+, and one Mn3+ atom to form distorted ODy2YMn tetrahedra that share corners with ten ODy2YMn tetrahedra, corners with four OYMn3 trigonal pyramids, edges with three equivalent ODy2YMn tetrahedra, and an edgeedge with one ODyMn3 trigonal pyramid. In the third O2- site, O2- is bonded to one Dy3+, two Y3+, and one Mn3+ atom to form ODyY2Mn tetrahedra that share corners with ten ODyY2Mn tetrahedra, corners with two ODyMn3 trigonal pyramids, edges with three equivalent ODyY2Mn tetrahedra, and edges with two OYMn3 trigonal pyramids. In the fourth O2- site, O2- is bonded to two Dy3+, one Y3+, and one Mn3+ atom to form ODy2YMn tetrahedra that share corners with ten ODyY2Mn tetrahedra, corners with two ODyMn3 trigonal pyramids, edges with three equivalent ODy2YMn tetrahedra, and edges with two OYMn3 trigonal pyramids. In the fifth O2- site, O2- is bonded to one Dy3+ and three equivalent Mn3+ atoms to form ODyMn3 trigonal pyramids that share corners with six ODyY2Mn tetrahedra, corners with six ODyMn3 trigonal pyramids, and edges with three equivalent ODyY2Mn tetrahedra. In the sixth O2- site, O2- is bonded to one Dy3+ and three equivalent Mn3+ atoms to form ODyMn3 trigonal pyramids that share corners with six ODyY2Mn tetrahedra, corners with six OYMn3 trigonal pyramids, and edges with three equivalent ODy2YMn tetrahedra. In the seventh O2- site, O2- is bonded to one Y3+ and three equivalent Mn3+ atoms to form OYMn3 trigonal pyramids that share corners with six ODyY2Mn tetrahedra, corners with six ODyMn3 trigonal pyramids, and edges with three equivalent ODyY2Mn tetrahedra. In the eighth O2- site, O2- is bonded to one Y3+ and three equivalent Mn3+ atoms to form OYMn3 trigonal pyramids that share corners with six ODyY2Mn tetrahedra, corners with six ODyMn3 trigonal pyramids, and edges with three equivalent ODyY2Mn tetrahedra. In the ninth O2- site, O2- is bonded to one Y3+ and three equivalent Mn3+ atoms to form OYMn3 trigonal pyramids that share corners with six ODyY2Mn tetrahedra, corners with six ODyMn3 trigonal pyramids, and edges with three equivalent ODy2YMn tetrahedra. In the tenth O2- site, O2- is bonded to one Dy3+ and three equivalent Mn3+ atoms to form ODyMn3 trigonal pyramids that share corners with six ODyY2Mn tetrahedra, corners with six ODyMn3 trigonal pyramids, and edges with three equivalent ODy2YMn tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on BaDyO3 by Materials Project

BaDyO3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ba is bonded to twelve equivalent O atoms to form BaO12 cuboctahedra that share corners with twelve equivalent BaO12 cuboctahedra, faces with six equivalent BaO12 cuboctahedra, and faces with eight equivalent DyO6 octahedra. All Ba–O bond lengths are 3.13 Å. Dy is bonded to six equivalent O atoms to form DyO6 octahedra that share corners with six equivalent DyO6 octahedra and faces with eight equivalent BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Dy–O bond lengths are 2.21 Å. O is bonded in a distorted linear geometry to four equivalent Ba and two equivalent Dy atoms.

36 MATERIALS SCIENCE↗

Materials Data on Dy2MgNi2 by Materials Project

MgDy2Ni2 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. Mg is bonded in a distorted square co-planar geometry to four equivalent Ni atoms. All Mg–Ni bond lengths are 2.92 Å. Dy is bonded in a 6-coordinate geometry to six equivalent Ni atoms. There are two shorter (2.84 Å) and four longer (2.88 Å) Dy–Ni bond lengths. Ni is bonded in a 9-coordinate geometry to two equivalent Mg, six equivalent Dy, and one Ni atom. The Ni–Ni bond length is 2.44 Å.

36 MATERIALS SCIENCE↗

Materials Data on PmDyZn2 by Materials Project

DyPmZn2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Dy is bonded in a body-centered cubic geometry to eight equivalent Zn atoms. All Dy–Zn bond lengths are 3.13 Å. Pm is bonded in a body-centered cubic geometry to eight equivalent Zn atoms. All Pm–Zn bond lengths are 3.13 Å. Zn is bonded in a body-centered cubic geometry to four equivalent Dy and four equivalent Pm atoms.

36 MATERIALS SCIENCE↗

Materials Data on DyHoRu2 by Materials Project

HoDyRu2 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 Ru atoms. All Ho–Ru bond lengths are 2.94 Å. Dy is bonded in a body-centered cubic geometry to eight equivalent Ru atoms. All Dy–Ru bond lengths are 2.94 Å. Ru is bonded in a body-centered cubic geometry to four equivalent Ho and four equivalent Dy atoms.

36 MATERIALS SCIENCE↗

Materials Data on GdDyTl2 by Materials Project

DyGdTl2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Dy is bonded in a body-centered cubic geometry to eight equivalent Tl atoms. All Dy–Tl bond lengths are 3.31 Å. Gd is bonded in a body-centered cubic geometry to eight equivalent Tl atoms. All Gd–Tl bond lengths are 3.31 Å. Tl is bonded in a body-centered cubic geometry to four equivalent Dy and four equivalent Gd atoms.

36 MATERIALS SCIENCE↗

Materials Data on SrDyO3 by Materials Project

SrDyO3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Sr is bonded to twelve equivalent O atoms to form SrO12 cuboctahedra that share corners with twelve equivalent SrO12 cuboctahedra, faces with six equivalent SrO12 cuboctahedra, and faces with eight equivalent DyO6 octahedra. All Sr–O bond lengths are 3.09 Å. Dy is bonded to six equivalent O atoms to form DyO6 octahedra that share corners with six equivalent DyO6 octahedra and faces with eight equivalent SrO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Dy–O bond lengths are 2.19 Å. O is bonded in a distorted linear geometry to four equivalent Sr and two equivalent Dy atoms.

36 MATERIALS SCIENCE↗

Materials Data on DyYIn2 by Materials Project

DyYIn2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Dy is bonded in a body-centered cubic geometry to eight equivalent In atoms. All Dy–In bond lengths are 3.27 Å. Y is bonded in a body-centered cubic geometry to eight equivalent In atoms. All Y–In bond lengths are 3.27 Å. In is bonded in a body-centered cubic geometry to four equivalent Dy and four equivalent Y atoms.

36 MATERIALS SCIENCE↗

Materials Data on Dy3AlCoS7 by Materials Project

Dy3CoAlS7 crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. there are three inequivalent Dy3+ sites. In the first Dy3+ site, Dy3+ is bonded to seven S2- atoms to form distorted DyS7 pentagonal bipyramids that share a cornercorner with one CoS6 octahedra, corners with six DyS7 pentagonal bipyramids, corners with two equivalent AlS4 tetrahedra, an edgeedge with one CoS6 octahedra, edges with four DyS7 pentagonal bipyramids, an edgeedge with one AlS4 tetrahedra, and a faceface with one CoS6 octahedra. The corner-sharing octahedral tilt angles are 23°. There are a spread of Dy–S bond distances ranging from 2.74–2.94 Å. In the second Dy3+ site, Dy3+ is bonded to seven S2- atoms to form distorted DyS7 pentagonal bipyramids that share a cornercorner with one CoS6 octahedra, corners with six DyS7 pentagonal bipyramids, corners with two equivalent AlS4 tetrahedra, an edgeedge with one CoS6 octahedra, edges with four DyS7 pentagonal bipyramids, an edgeedge with one AlS4 tetrahedra, and a faceface with one CoS6 octahedra. The corner-sharing octahedral tilt angles are 23°. There are a spread of Dy–S bond distances ranging from 2.74–2.93 Å. In the third Dy3+ site, Dy3+ is bonded to seven S2- atoms to form distorted DyS7 pentagonal bipyramids that share a cornercorner with one CoS6 octahedra, corners with six DyS7 pentagonal bipyramids, corners with two equivalent AlS4 tetrahedra, an edgeedge with one CoS6 octahedra, edges with four DyS7 pentagonal bipyramids, an edgeedge with one AlS4 tetrahedra, and a faceface with one CoS6 octahedra. The corner-sharing octahedral tilt angles are 22°. There are a spread of Dy–S bond distances ranging from 2.74–2.93 Å. Co2+ is bonded to six S2- atoms to form CoS6 octahedra that share corners with three DyS7 pentagonal bipyramids, edges with three DyS7 pentagonal bipyramids, faces with two equivalent CoS6 octahedra, and faces with three DyS7 pentagonal bipyramids. There are a spread of Co–S bond distances ranging from 2.38–2.42 Å. Al3+ is bonded to four S2- atoms to form AlS4 tetrahedra that share corners with six DyS7 pentagonal bipyramids and edges with three DyS7 pentagonal bipyramids. There are one shorter (2.23 Å) and three longer (2.25 Å) Al–S bond lengths. There are seven inequivalent S2- sites. In the first S2- site, S2- is bonded to three Dy3+ and two equivalent Co2+ atoms to form distorted SDy3Co2 square pyramids that share corners with two equivalent SDy3Co2 square pyramids, corners with three equivalent SDy3Al tetrahedra, edges with four SDy3Co2 square pyramids, and faces with two SDy3Co2 square pyramids. In the second S2- site, S2- is bonded to three Dy3+ and two equivalent Co2+ atoms to form distorted SDy3Co2 square pyramids that share corners with two equivalent SDy3Co2 square pyramids, corners with three equivalent SDy3Al tetrahedra, edges with four SDy3Co2 square pyramids, and faces with two SDy3Co2 square pyramids. In the third S2- site, S2- is bonded to three Dy3+ and two equivalent Co2+ atoms to form distorted SDy3Co2 square pyramids that share corners with two equivalent SDy3Co2 square pyramids, corners with three equivalent SDy3Al tetrahedra, edges with four SDy3Co2 square pyramids, and faces with two SDy3Co2 square pyramids. In the fourth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Dy3+ and one Al3+ atom. In the fifth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Dy3+ and one Al3+ atom. In the sixth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Dy3+ and one Al3+ atom. In the seventh S2- site, S2- is bonded to three Dy3+ and one Al3+ atom to form distorted corner-sharing SDy3Al tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on YbDyCd2 by Materials Project

YbDyCd2 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 Cd atoms. All Yb–Cd bond lengths are 3.26 Å. Dy is bonded in a body-centered cubic geometry to eight equivalent Cd atoms. All Dy–Cd bond lengths are 3.26 Å. Cd is bonded in a body-centered cubic geometry to four equivalent Yb and four equivalent Dy atoms.

36 MATERIALS SCIENCE↗

Materials Data on Dy2AlNi2 by Materials Project

Dy2Ni2Al crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. Dy is bonded in a 10-coordinate geometry to six equivalent Ni atoms. There are two shorter (2.91 Å) and four longer (2.94 Å) Dy–Ni bond lengths. Ni is bonded in a 9-coordinate geometry to six equivalent Dy, one Ni, and two equivalent Al atoms. The Ni–Ni bond length is 2.45 Å. Both Ni–Al bond lengths are 2.54 Å. Al is bonded to four equivalent Ni atoms to form distorted edge-sharing AlNi4 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on Dy4Mn by Materials Project

Dy4Mn is Iron carbide-like structured and crystallizes in the cubic Fd-3m space group. The structure is zero-dimensional and consists of eight Dy4Mn clusters. Dy is bonded in a single-bond geometry to one Mn atom. The Dy–Mn bond length is 2.47 Å. Mn is bonded in a tetrahedral geometry to four equivalent Dy atoms.

36 MATERIALS SCIENCE↗

Materials Data on DyLuHg2 by Materials Project

LuDyHg2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Lu is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Lu–Hg bond lengths are 3.20 Å. Dy is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Dy–Hg bond lengths are 3.20 Å. Hg is bonded in a body-centered cubic geometry to four equivalent Lu and four equivalent Dy atoms.

36 MATERIALS SCIENCE↗