Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Ho”

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 577 records · Page 32
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on PrHo3 by Materials Project

Ho3Pr crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded to eight Ho and four equivalent Pr atoms to form HoPr4Ho8 cuboctahedra that share corners with twelve equivalent HoPr4Ho8 cuboctahedra, edges with eight equivalent PrHo12 cuboctahedra, edges with sixteen HoPr4Ho8 cuboctahedra, faces with four equivalent PrHo12 cuboctahedra, and faces with fourteen HoPr4Ho8 cuboctahedra. All Ho–Ho bond lengths are 3.58 Å. All Ho–Pr bond lengths are 3.58 Å. In the second Ho site, Ho is bonded to eight equivalent Ho and four equivalent Pr atoms to form HoPr4Ho8 cuboctahedra that share corners with four equivalent HoPr4Ho8 cuboctahedra, corners with eight equivalent PrHo12 cuboctahedra, edges with twenty-four HoPr4Ho8 cuboctahedra, faces with six equivalent PrHo12 cuboctahedra, and faces with twelve HoPr4Ho8 cuboctahedra. All Ho–Pr bond lengths are 3.58 Å. Pr is bonded to twelve Ho atoms to form PrHo12 cuboctahedra that share corners with four equivalent PrHo12 cuboctahedra, corners with eight equivalent HoPr4Ho8 cuboctahedra, edges with eight equivalent PrHo12 cuboctahedra, edges with sixteen equivalent HoPr4Ho8 cuboctahedra, faces with four equivalent PrHo12 cuboctahedra, and faces with fourteen HoPr4Ho8 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HoMnSn2 by Materials Project

HoMnSn2 crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded in a 8-coordinate geometry to eight Sn atoms. There are a spread of Ho–Sn bond distances ranging from 3.08–3.34 Å. In the second Ho site, Ho is bonded to seven Sn atoms to form a mixture of distorted edge and corner-sharing HoSn7 pentagonal bipyramids. There are a spread of Ho–Sn bond distances ranging from 3.04–3.30 Å. There are two inequivalent Mn sites. In the first Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.73–2.89 Å. In the second Mn site, Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.80–2.87 Å. There are five inequivalent Sn sites. In the first Sn site, Sn is bonded in a 2-coordinate geometry to four equivalent Ho and two equivalent Mn atoms. In the second Sn site, Sn is bonded in a 2-coordinate geometry to six Ho and two equivalent Mn atoms. In the third Sn site, Sn is bonded in a 6-coordinate geometry to two equivalent Ho and four Mn atoms. In the fourth Sn site, Sn is bonded in a 9-coordinate geometry to five Ho and four Mn atoms. In the fifth Sn site, Sn is bonded in a 7-coordinate geometry to three Ho, three Mn, and one Sn atom. The Sn–Sn bond length is 2.92 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho3(GeRh)2 by Materials Project

Ho3(RhGe)2 crystallizes in the orthorhombic Pbcm space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded in a 9-coordinate geometry to four equivalent Rh and five Ge atoms. There are two shorter (3.02 Å) and two longer (3.05 Å) Ho–Rh bond lengths. There are a spread of Ho–Ge bond distances ranging from 2.99–3.30 Å. In the second Ho site, Ho is bonded in a 7-coordinate geometry to four equivalent Rh and five Ge atoms. There are a spread of Ho–Rh bond distances ranging from 2.90–3.13 Å. There are a spread of Ho–Ge bond distances ranging from 2.98–3.34 Å. Rh is bonded in a 9-coordinate geometry to six Ho and three Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.54–2.60 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to seven Ho and two equivalent Rh atoms. In the second Ge site, Ge is bonded in a 12-coordinate geometry to eight Ho and four equivalent Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho2Fe5Co12 by Materials Project

Ho2Fe5Co12 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded in a 12-coordinate geometry to eighteen Co atoms. There are a spread of Ho–Co bond distances ranging from 2.94–3.22 Å. In the second Ho site, Ho is bonded in a 8-coordinate geometry to eight Fe and twelve Co atoms. There are two shorter (2.89 Å) and six longer (3.15 Å) Ho–Fe bond lengths. There are six shorter (3.02 Å) and six longer (3.09 Å) Ho–Co bond lengths. There are two inequivalent Fe sites. In the first Fe site, Fe is bonded in a 2-coordinate geometry to one Ho, four Fe, and nine Co atoms. There are one shorter (2.33 Å) and three longer (2.56 Å) Fe–Fe bond lengths. There are three shorter (2.65 Å) and six longer (2.70 Å) Fe–Co bond lengths. In the second Fe site, Fe is bonded to two equivalent Ho, two equivalent Fe, and eight Co atoms to form distorted FeHo2Fe2Co8 cuboctahedra that share corners with four equivalent FeHo2Fe2Co8 cuboctahedra, corners with eighteen CoHo3Fe3Co6 cuboctahedra, edges with ten CoHo3Fe3Co6 cuboctahedra, faces with six equivalent FeHo2Fe2Co8 cuboctahedra, and faces with twelve CoHo2Fe4Co6 cuboctahedra. There are four shorter (2.41 Å) and four longer (2.44 Å) Fe–Co bond lengths. There are two inequivalent Co sites. In the first Co site, Co is bonded to two Ho, four Fe, and six Co atoms to form distorted CoHo2Fe4Co6 cuboctahedra that share corners with four equivalent FeHo2Fe2Co8 cuboctahedra, corners with twenty CoHo2Fe4Co6 cuboctahedra, edges with two equivalent FeHo2Fe2Co8 cuboctahedra, edges with three CoHo3Fe3Co6 cuboctahedra, faces with four equivalent FeHo2Fe2Co8 cuboctahedra, and faces with seventeen CoHo2Fe4Co6 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.35–2.57 Å. In the second Co site, Co is bonded to three Ho, three Fe, and six Co atoms to form distorted CoHo3Fe3Co6 cuboctahedra that share corners with five equivalent FeHo2Fe2Co8 cuboctahedra, corners with eighteen CoHo3Fe3Co6 cuboctahedra, edges with three equivalent FeHo2Fe2Co8 cuboctahedra, edges with seven CoHo3Fe3Co6 cuboctahedra, faces with two equivalent FeHo2Fe2Co8 cuboctahedra, and faces with eighteen CoHo2Fe4Co6 cuboctahedra. Both Co–Co bond lengths are 2.39 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho3Ga9Pt2 by Materials Project

Ho3Pt2Ga9 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded to twelve Ga atoms to form HoGa12 cuboctahedra that share edges with two equivalent GaHo4Ga4Pt4 cuboctahedra and faces with two equivalent HoGa12 cuboctahedra. There are eight shorter (3.16 Å) and four longer (3.22 Å) Ho–Ga bond lengths. In the second Ho site, Ho is bonded in a 10-coordinate geometry to two equivalent Pt and twelve Ga atoms. Both Ho–Pt bond lengths are 3.06 Å. There are a spread of Ho–Ga bond distances ranging from 3.08–3.39 Å. Pt is bonded in a 10-coordinate geometry to two equivalent Ho and eight Ga atoms. There are a spread of Pt–Ga bond distances ranging from 2.59–2.82 Å. There are three inequivalent Ga sites. In the first Ga site, Ga is bonded to four equivalent Ho, four equivalent Pt, and four equivalent Ga atoms to form GaHo4Ga4Pt4 cuboctahedra that share edges with two equivalent HoGa12 cuboctahedra and faces with two equivalent GaHo4Ga4Pt4 cuboctahedra. All Ga–Ga bond lengths are 2.73 Å. In the second Ga site, Ga is bonded in a 1-coordinate geometry to four Ho, one Pt, and four Ga atoms. There are a spread of Ga–Ga bond distances ranging from 2.51–2.69 Å. In the third Ga site, Ga is bonded in a 10-coordinate geometry to four Ho, two equivalent Pt, and four Ga atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on EuHo3 by Materials Project

Ho3Eu is alpha La-derived structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded to eight Ho and four equivalent Eu atoms to form HoEu4Ho8 cuboctahedra that share corners with twelve equivalent HoEu4Ho8 cuboctahedra, edges with eight equivalent EuHo12 cuboctahedra, edges with sixteen HoEu4Ho8 cuboctahedra, faces with four equivalent EuHo12 cuboctahedra, and faces with fourteen HoEu4Ho8 cuboctahedra. All Ho–Ho bond lengths are 3.45 Å. All Ho–Eu bond lengths are 3.45 Å. In the second Ho site, Ho is bonded to eight equivalent Ho and four equivalent Eu atoms to form HoEu4Ho8 cuboctahedra that share corners with four equivalent HoEu4Ho8 cuboctahedra, corners with eight equivalent EuHo12 cuboctahedra, edges with twenty-four HoEu4Ho8 cuboctahedra, faces with six equivalent EuHo12 cuboctahedra, and faces with twelve HoEu4Ho8 cuboctahedra. All Ho–Eu bond lengths are 3.45 Å. Eu is bonded to twelve Ho atoms to form EuHo12 cuboctahedra that share corners with four equivalent EuHo12 cuboctahedra, corners with eight equivalent HoEu4Ho8 cuboctahedra, edges with eight equivalent EuHo12 cuboctahedra, edges with sixteen equivalent HoEu4Ho8 cuboctahedra, faces with four equivalent EuHo12 cuboctahedra, and faces with fourteen HoEu4Ho8 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho3AlNi8 by Materials Project

Ho3Ni8Al crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded in a 12-coordinate geometry to nine equivalent Ni and three equivalent Al atoms. There are six shorter (2.82 Å) and three longer (3.06 Å) Ho–Ni bond lengths. All Ho–Al bond lengths are 3.00 Å. In the second Ho site, Ho is bonded in a distorted hexagonal planar geometry to eighteen Ni atoms. There are six shorter (2.91 Å) and twelve longer (3.21 Å) Ho–Ni bond lengths. There are three inequivalent Ni sites. In the first Ni site, Ni is bonded to five Ho, six Ni, and one Al atom to form distorted NiHo5AlNi6 cuboctahedra that share corners with two equivalent AlHo6Ni6 cuboctahedra, corners with fifteen equivalent NiHo5AlNi6 cuboctahedra, edges with eight equivalent NiHo5AlNi6 cuboctahedra, faces with three equivalent AlHo6Ni6 cuboctahedra, and faces with eleven equivalent NiHo5AlNi6 cuboctahedra. There are a spread of Ni–Ni bond distances ranging from 2.45–2.56 Å. The Ni–Al bond length is 2.48 Å. In the second Ni site, Ni is bonded in a 12-coordinate geometry to three equivalent Ho and six equivalent Ni atoms. In the third Ni site, Ni is bonded in a 12-coordinate geometry to three equivalent Ho and six equivalent Ni atoms. Al is bonded to six equivalent Ho and six equivalent Ni atoms to form distorted AlHo6Ni6 cuboctahedra that share corners with twelve equivalent NiHo5AlNi6 cuboctahedra, edges with six equivalent AlHo6Ni6 cuboctahedra, and faces with eighteen equivalent NiHo5AlNi6 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho3Fe2Si3 by Materials Project

Ho3Fe2Si3 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded in a 4-coordinate geometry to four equivalent Fe and five Si atoms. All Ho–Fe bond lengths are 3.18 Å. There are a spread of Ho–Si bond distances ranging from 2.84–3.27 Å. In the second Ho site, Ho is bonded in a 10-coordinate geometry to four equivalent Fe and seven Si atoms. There are a spread of Ho–Fe bond distances ranging from 2.99–3.11 Å. There are a spread of Ho–Si bond distances ranging from 2.93–3.28 Å. Fe is bonded in a 10-coordinate geometry to six Ho and four Si atoms. There are a spread of Fe–Si bond distances ranging from 2.32–2.59 Å. There are two inequivalent Si sites. In the first Si site, Si is bonded in a 9-coordinate geometry to seven Ho and two equivalent Fe atoms. In the second Si site, Si is bonded in a 10-coordinate geometry to six Ho, three equivalent Fe, and one Si atom. The Si–Si bond length is 2.81 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho3As by Materials Project

Ho3As is Uranium Silicide-like structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded to eight Ho and four equivalent As atoms to form distorted HoHo8As4 cuboctahedra that share corners with twelve equivalent HoHo8As4 cuboctahedra, edges with eight equivalent HoHo8As4 cuboctahedra, edges with eight equivalent AsHo12 cuboctahedra, faces with four equivalent AsHo12 cuboctahedra, and faces with ten equivalent HoHo8As4 cuboctahedra. There are four shorter (3.16 Å) and four longer (3.41 Å) Ho–Ho bond lengths. All Ho–As bond lengths are 3.41 Å. In the second Ho site, Ho is bonded in a square co-planar geometry to eight equivalent Ho and four equivalent As atoms. All Ho–As bond lengths are 3.16 Å. As is bonded to twelve Ho atoms to form AsHo12 cuboctahedra that share corners with four equivalent AsHo12 cuboctahedra, edges with eight equivalent AsHo12 cuboctahedra, edges with sixteen equivalent HoHo8As4 cuboctahedra, faces with four equivalent AsHo12 cuboctahedra, and faces with eight equivalent HoHo8As4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho2AlGe3 by Materials Project

Ho2AlGe3 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded in a 7-coordinate geometry to two equivalent Al and nine Ge atoms. Both Ho–Al bond lengths are 3.32 Å. There are a spread of Ho–Ge bond distances ranging from 2.97–3.33 Å. In the second Ho site, Ho is bonded in a 7-coordinate geometry to seven Ge atoms. There are a spread of Ho–Ge bond distances ranging from 2.94–3.05 Å. Al is bonded to two equivalent Ho and four Ge atoms to form distorted AlHo2Ge4 tetrahedra that share corners with two equivalent GeHo4Al3 pentagonal bipyramids and edges with four equivalent AlHo2Ge4 tetrahedra. There are a spread of Al–Ge bond distances ranging from 2.55–2.70 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded to four Ho and three equivalent Al atoms to form distorted GeHo4Al3 pentagonal bipyramids that share corners with two equivalent AlHo2Ge4 tetrahedra and edges with six equivalent GeHo4Al3 pentagonal bipyramids. In the second Ge site, Ge is bonded in a 4-coordinate geometry to six Ho and two equivalent Ge atoms. There are one shorter (2.58 Å) and one longer (2.67 Å) Ge–Ge bond lengths. In the third Ge site, Ge is bonded in a 9-coordinate geometry to six Ho, one Al, and two equivalent Ge atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho3Sn7 by Materials Project

HoSn4Ho2Sn3 crystallizes in the orthorhombic Cmmm space group. The structure is two-dimensional and consists of one Ho2Sn3 sheet oriented in the (0, 0, 1) direction and one HoSn4 sheet oriented in the (0, 0, 1) direction. In the Ho2Sn3 sheet, Ho is bonded in a distorted hexagonal planar geometry to four equivalent Ho and two equivalent Sn atoms. There are two shorter (3.01 Å) and two longer (3.39 Å) Ho–Ho bond lengths. Both Ho–Sn bond lengths are 3.19 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a hexagonal planar geometry to six Sn atoms. There are two shorter (3.01 Å) and four longer (3.17 Å) Sn–Sn bond lengths. In the second Sn site, Sn is bonded in a distorted hexagonal planar geometry to two equivalent Ho and four Sn atoms. Both Sn–Sn bond lengths are 3.01 Å. In the HoSn4 sheet, Ho is bonded in a distorted hexagonal planar geometry to two equivalent Ho and four equivalent Sn atoms. Both Ho–Ho bond lengths are 3.01 Å. All Ho–Sn bond lengths are 3.18 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a hexagonal planar geometry to six Sn atoms. There are a spread of Sn–Sn bond distances ranging from 3.01–3.34 Å. In the second Sn site, Sn is bonded in a distorted hexagonal planar geometry to two equivalent Ho and four Sn atoms. Both Sn–Sn bond lengths are 3.01 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YHo3 by Materials Project

Ho3Y is Copper-derived structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded to eight Ho and four equivalent Y atoms to form HoY4Ho8 cuboctahedra that share corners with twelve equivalent HoY4Ho8 cuboctahedra, edges with eight equivalent YHo12 cuboctahedra, edges with sixteen HoY4Ho8 cuboctahedra, faces with four equivalent YHo12 cuboctahedra, and faces with fourteen HoY4Ho8 cuboctahedra. All Ho–Ho bond lengths are 3.54 Å. All Ho–Y bond lengths are 3.54 Å. In the second Ho site, Ho is bonded to eight equivalent Ho and four equivalent Y atoms to form HoY4Ho8 cuboctahedra that share corners with four equivalent HoY4Ho8 cuboctahedra, corners with eight equivalent YHo12 cuboctahedra, edges with twenty-four HoY4Ho8 cuboctahedra, faces with six equivalent YHo12 cuboctahedra, and faces with twelve HoY4Ho8 cuboctahedra. All Ho–Y bond lengths are 3.54 Å. Y is bonded to twelve Ho atoms to form YHo12 cuboctahedra that share corners with four equivalent YHo12 cuboctahedra, corners with eight equivalent HoY4Ho8 cuboctahedra, edges with eight equivalent YHo12 cuboctahedra, edges with sixteen equivalent HoY4Ho8 cuboctahedra, faces with four equivalent YHo12 cuboctahedra, and faces with fourteen HoY4Ho8 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho4ZrAl15 by Materials Project

Al15Ho4Zr is Uranium Silicide-derived structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded to twelve Al atoms to form HoAl12 cuboctahedra that share corners with four equivalent ZrAl12 cuboctahedra, corners with eight HoAl12 cuboctahedra, edges with twenty-four AlHo2Zr2Al8 cuboctahedra, a faceface with one ZrAl12 cuboctahedra, faces with five HoAl12 cuboctahedra, and faces with twelve AlHo4Al8 cuboctahedra. There are four shorter (2.98 Å) and eight longer (3.00 Å) Ho–Al bond lengths. In the second Ho site, Ho is bonded to twelve Al atoms to form HoAl12 cuboctahedra that share corners with twelve HoAl12 cuboctahedra, edges with twenty-four AlHo4Al8 cuboctahedra, faces with six HoAl12 cuboctahedra, and faces with twelve AlHo4Al8 cuboctahedra. There are four shorter (2.98 Å) and eight longer (2.99 Å) Ho–Al bond lengths. Zr is bonded to twelve Al atoms to form ZrAl12 cuboctahedra that share corners with four equivalent ZrAl12 cuboctahedra, corners with eight equivalent HoAl12 cuboctahedra, edges with twenty-four AlHo2Zr2Al8 cuboctahedra, faces with two equivalent HoAl12 cuboctahedra, faces with four equivalent ZrAl12 cuboctahedra, and faces with twelve AlHo2Zr2Al8 cuboctahedra. There are eight shorter (2.93 Å) and four longer (2.98 Å) Zr–Al bond lengths. There are six inequivalent Al sites. In the first Al site, Al is bonded to four equivalent Zr and eight equivalent Al atoms to form AlZr4Al8 cuboctahedra that share corners with twelve AlZr4Al8 cuboctahedra, edges with eight equivalent HoAl12 cuboctahedra, edges with sixteen equivalent AlHo2Zr2Al8 cuboctahedra, faces with four equivalent ZrAl12 cuboctahedra, and faces with fourteen AlHo2Zr2Al8 cuboctahedra. All Al–Al bond lengths are 2.93 Å. In the second Al site, Al is bonded to four equivalent Ho and eight Al atoms to form distorted AlHo4Al8 cuboctahedra that share corners with twelve AlZr4Al8 cuboctahedra, edges with four equivalent HoAl12 cuboctahedra, edges with four equivalent ZrAl12 cuboctahedra, edges with sixteen AlHo2Zr2Al8 cuboctahedra, faces with four equivalent HoAl12 cuboctahedra, and faces with fourteen AlZr4Al8 cuboctahedra. There are four shorter (2.99 Å) and four longer (3.01 Å) Al–Al bond lengths. In the third Al site, Al is bonded to four equivalent Ho and eight Al atoms to form distorted AlHo4Al8 cuboctahedra that share corners with twelve AlHo4Al8 cuboctahedra, edges with eight HoAl12 cuboctahedra, edges with sixteen AlHo4Al8 cuboctahedra, faces with four equivalent HoAl12 cuboctahedra, and faces with fourteen AlHo4Al8 cuboctahedra. There are four shorter (2.98 Å) and four longer (2.99 Å) Al–Al bond lengths. In the fourth Al site, Al is bonded to two equivalent Ho, two equivalent Zr, and eight Al atoms to form distorted AlHo2Zr2Al8 cuboctahedra that share corners with twelve AlHo2Zr2Al8 cuboctahedra, edges with four equivalent HoAl12 cuboctahedra, edges with four equivalent ZrAl12 cuboctahedra, edges with sixteen AlZr4Al8 cuboctahedra, faces with two equivalent HoAl12 cuboctahedra, faces with two equivalent ZrAl12 cuboctahedra, and faces with fourteen AlZr4Al8 cuboctahedra. All Al–Al bond lengths are 2.98 Å. In the fifth Al site, Al is bonded to four Ho and eight Al atoms to form distorted AlHo4Al8 cuboctahedra that share corners with twelve AlHo2Zr2Al8 cuboctahedra, edges with eight HoAl12 cuboctahedra, edges with sixteen AlHo4Al8 cuboctahedra, faces with four HoAl12 cuboctahedra, and faces with fourteen AlHo4Al8 cuboctahedra. All Al–Al bond lengths are 2.98 Å. In the sixth Al site, Al is bonded to four equivalent Ho and eight Al atoms to form distorted AlHo4Al8 cuboctahedra that share corners with twelve AlHo4Al8 cuboctahedra, edges with eight equivalent HoAl12 cuboctahedra, edges with sixteen AlHo4Al8 cuboctahedra, faces with four equivalent HoAl12 cuboctahedra, and faces with fourteen AlHo4Al8 cuboctahedra. All Al–Al bond lengths are 2.98 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho2Ge2Ru by Materials Project

Ho2RuGe2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded in a 2-coordinate geometry to four equivalent Ru and seven Ge atoms. There are a spread of Ho–Ru bond distances ranging from 3.06–3.17 Å. There are a spread of Ho–Ge bond distances ranging from 2.94–3.43 Å. In the second Ho site, Ho is bonded in a 6-coordinate geometry to two equivalent Ru and six Ge atoms. Both Ho–Ru bond lengths are 3.28 Å. There are a spread of Ho–Ge bond distances ranging from 2.90–3.20 Å. Ru is bonded in a 10-coordinate geometry to six Ho and four Ge atoms. There are a spread of Ru–Ge bond distances ranging from 2.46–2.62 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 10-coordinate geometry to six Ho, three equivalent Ru, and one Ge atom. The Ge–Ge bond length is 2.75 Å. In the second Ge site, Ge is bonded in a 9-coordinate geometry to seven Ho, one Ru, and one Ge atom. The Ge–Ge bond length is 2.66 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on PmHo3 by Materials Project

Ho3Pm crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded to eight Ho and four equivalent Pm atoms to form HoPm4Ho8 cuboctahedra that share corners with twelve equivalent HoPm4Ho8 cuboctahedra, edges with eight equivalent PmHo12 cuboctahedra, edges with sixteen HoPm4Ho8 cuboctahedra, faces with four equivalent PmHo12 cuboctahedra, and faces with fourteen HoPm4Ho8 cuboctahedra. All Ho–Ho bond lengths are 3.56 Å. All Ho–Pm bond lengths are 3.56 Å. In the second Ho site, Ho is bonded to eight equivalent Ho and four equivalent Pm atoms to form HoPm4Ho8 cuboctahedra that share corners with four equivalent HoPm4Ho8 cuboctahedra, corners with eight equivalent PmHo12 cuboctahedra, edges with twenty-four HoPm4Ho8 cuboctahedra, faces with six equivalent PmHo12 cuboctahedra, and faces with twelve HoPm4Ho8 cuboctahedra. All Ho–Pm bond lengths are 3.56 Å. Pm is bonded to twelve Ho atoms to form PmHo12 cuboctahedra that share corners with four equivalent PmHo12 cuboctahedra, corners with eight equivalent HoPm4Ho8 cuboctahedra, edges with eight equivalent PmHo12 cuboctahedra, edges with sixteen equivalent HoPm4Ho8 cuboctahedra, faces with four equivalent PmHo12 cuboctahedra, and faces with fourteen HoPm4Ho8 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NdHo3 by Materials Project

Ho3Nd is alpha La-derived structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded to eight Ho and four equivalent Nd atoms to form HoNd4Ho8 cuboctahedra that share corners with twelve equivalent HoNd4Ho8 cuboctahedra, edges with eight equivalent NdHo12 cuboctahedra, edges with sixteen HoNd4Ho8 cuboctahedra, faces with four equivalent NdHo12 cuboctahedra, and faces with fourteen HoNd4Ho8 cuboctahedra. All Ho–Ho bond lengths are 3.57 Å. All Ho–Nd bond lengths are 3.57 Å. In the second Ho site, Ho is bonded to eight equivalent Ho and four equivalent Nd atoms to form HoNd4Ho8 cuboctahedra that share corners with four equivalent HoNd4Ho8 cuboctahedra, corners with eight equivalent NdHo12 cuboctahedra, edges with twenty-four HoNd4Ho8 cuboctahedra, faces with six equivalent NdHo12 cuboctahedra, and faces with twelve HoNd4Ho8 cuboctahedra. All Ho–Nd bond lengths are 3.57 Å. Nd is bonded to twelve Ho atoms to form NdHo12 cuboctahedra that share corners with four equivalent NdHo12 cuboctahedra, corners with eight equivalent HoNd4Ho8 cuboctahedra, edges with eight equivalent NdHo12 cuboctahedra, edges with sixteen equivalent HoNd4Ho8 cuboctahedra, faces with four equivalent NdHo12 cuboctahedra, and faces with fourteen HoNd4Ho8 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho3Ni2 by Materials Project

Ho3Ni2 crystallizes in the monoclinic C2/m space group. The structure is two-dimensional and consists of one Ho3Ni2 sheet oriented in the (0, 0, 1) direction. there are three inequivalent Ho sites. In the first Ho site, Ho is bonded in a 7-coordinate geometry to seven Ni atoms. There are a spread of Ho–Ni bond distances ranging from 2.80–2.99 Å. In the second Ho site, Ho is bonded in a distorted trigonal non-coplanar geometry to three Ni atoms. There are two shorter (2.76 Å) and one longer (2.77 Å) Ho–Ni bond lengths. In the third Ho site, Ho is bonded in a 4-coordinate geometry to four Ni atoms. There are two shorter (2.79 Å) and two longer (2.87 Å) Ho–Ni bond lengths. There are two inequivalent Ni sites. In the first Ni site, Ni is bonded in a 9-coordinate geometry to seven Ho and two Ni atoms. There are one shorter (2.60 Å) and one longer (2.61 Å) Ni–Ni bond lengths. In the second Ni site, Ni is bonded in a 7-coordinate geometry to seven Ho and one Ni atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho2CoGe2 by Materials Project

Ho2CoGe2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded in a 6-coordinate geometry to two equivalent Co and six Ge atoms. Both Ho–Co bond lengths are 3.16 Å. There are a spread of Ho–Ge bond distances ranging from 2.90–3.08 Å. In the second Ho site, Ho is bonded in a 2-coordinate geometry to four equivalent Co and seven Ge atoms. There are a spread of Ho–Co bond distances ranging from 3.02–3.08 Å. There are a spread of Ho–Ge bond distances ranging from 2.91–3.22 Å. Co is bonded in a 10-coordinate geometry to six Ho and four Ge atoms. There are a spread of Co–Ge bond distances ranging from 2.39–2.54 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to seven Ho, one Co, and one Ge atom. The Ge–Ge bond length is 2.68 Å. In the second Ge site, Ge is bonded in a 10-coordinate geometry to six Ho, three equivalent Co, and one Ge atom. The Ge–Ge bond length is 2.82 Å.

36 MATERIALS SCIENCE↗