Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Eu”

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 739 records · Page 41
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on SrYb2Eu by Materials Project

SrYb2Eu is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Sr is bonded in a distorted body-centered cubic geometry to eight equivalent Yb and six equivalent Eu atoms. All Sr–Yb bond lengths are 3.82 Å. All Sr–Eu bond lengths are 4.42 Å. Yb is bonded in a body-centered cubic geometry to four equivalent Sr and four equivalent Eu atoms. All Yb–Eu bond lengths are 3.82 Å. Eu is bonded in a distorted body-centered cubic geometry to six equivalent Sr and eight equivalent Yb atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba2Eu3Si7 by Materials Project

Ba2Eu3Si7 crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Ba2+ is bonded in a 9-coordinate geometry to nine Si+1.71- atoms. There are three shorter (3.51 Å) and six longer (3.52 Å) Ba–Si bond lengths. Eu+2.67+ is bonded in a 9-coordinate geometry to nine Si+1.71- atoms. There are a spread of Eu–Si bond distances ranging from 3.13–3.26 Å. There are three inequivalent Si+1.71- sites. In the first Si+1.71- site, Si+1.71- is bonded in a 9-coordinate geometry to six equivalent Eu+2.67+ and three equivalent Si+1.71- atoms. All Si–Si bond lengths are 2.40 Å. In the second Si+1.71- site, Si+1.71- is bonded in a 9-coordinate geometry to two equivalent Ba2+, four equivalent Eu+2.67+, and three Si+1.71- atoms. Both Si–Si bond lengths are 2.45 Å. In the third Si+1.71- site, Si+1.71- is bonded in a 9-coordinate geometry to four equivalent Ba2+, three equivalent Eu+2.67+, and two equivalent Si+1.71- atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu2CuRh by Materials Project

Eu2RhCu is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Eu is bonded in a body-centered cubic geometry to four equivalent Rh and four equivalent Cu atoms. All Eu–Rh bond lengths are 3.09 Å. All Eu–Cu bond lengths are 3.09 Å. Rh is bonded in a body-centered cubic geometry to eight equivalent Eu atoms. Cu is bonded in a body-centered cubic geometry to eight equivalent Eu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu2CdGa by Materials Project

Eu2CdGa is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Eu is bonded in a body-centered cubic geometry to four equivalent Cd and four equivalent Ga atoms. All Eu–Cd bond lengths are 3.34 Å. All Eu–Ga bond lengths are 3.34 Å. Cd is bonded in a body-centered cubic geometry to eight equivalent Eu atoms. Ga is bonded in a body-centered cubic geometry to eight equivalent Eu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu5B3O9F by Materials Project

Eu5B3O9F crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are three inequivalent Eu2+ sites. In the first Eu2+ site, Eu2+ is bonded in a 8-coordinate geometry to seven O2- and one F1- atom. There are a spread of Eu–O bond distances ranging from 2.45–2.76 Å. The Eu–F bond length is 2.43 Å. In the second Eu2+ site, Eu2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Eu–O bond distances ranging from 2.47–3.07 Å. In the third Eu2+ site, Eu2+ is bonded in a 7-coordinate geometry to six O2- and one F1- atom. There are a spread of Eu–O bond distances ranging from 2.51–2.83 Å. The Eu–F bond length is 2.47 Å. There are two inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.38–1.40 Å. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.39 Å) and two longer (1.40 Å) B–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to five Eu2+ and one B3+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to five Eu2+ and one B3+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to five Eu2+ and one B3+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to three Eu2+ and one B3+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to four Eu2+ and one B3+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to four Eu2+ and one B3+ atom. F1- is bonded in a distorted trigonal non-coplanar geometry to three Eu2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu2AgPd by Materials Project

Eu2PdAg is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Eu is bonded in a body-centered cubic geometry to four equivalent Pd and four equivalent Ag atoms. All Eu–Pd bond lengths are 3.21 Å. All Eu–Ag bond lengths are 3.21 Å. Pd is bonded in a body-centered cubic geometry to eight equivalent Eu atoms. Ag is bonded in a body-centered cubic geometry to eight equivalent Eu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na3Eu by Materials Project

Na3Eu is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent Na sites. In the first Na site, Na is bonded in a body-centered cubic geometry to four equivalent Na and four equivalent Eu atoms. All Na–Na bond lengths are 3.74 Å. All Na–Eu bond lengths are 3.74 Å. In the second Na site, Na is bonded in a distorted body-centered cubic geometry to eight equivalent Na and six equivalent Eu atoms. All Na–Eu bond lengths are 4.32 Å. Eu is bonded in a body-centered cubic geometry to fourteen Na atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu2TlCd by Materials Project

Eu2CdTl is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Eu is bonded in a body-centered cubic geometry to four equivalent Cd and four equivalent Tl atoms. All Eu–Cd bond lengths are 3.44 Å. All Eu–Tl bond lengths are 3.44 Å. Cd is bonded in a body-centered cubic geometry to eight equivalent Eu atoms. Tl is bonded in a body-centered cubic geometry to eight equivalent Eu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on EuCuSn by Materials Project

EuCuSn crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Eu is bonded in a 11-coordinate geometry to six equivalent Cu and six equivalent Sn atoms. There are a spread of Eu–Cu bond distances ranging from 3.14–3.63 Å. There are a spread of Eu–Sn bond distances ranging from 3.27–3.49 Å. Cu is bonded in a 10-coordinate geometry to six equivalent Eu, one Cu, and three equivalent Sn atoms. The Cu–Cu bond length is 2.66 Å. There are two shorter (2.69 Å) and one longer (2.92 Å) Cu–Sn bond lengths. Sn is bonded in a 10-coordinate geometry to six equivalent Eu, three equivalent Cu, and one Sn atom. The Sn–Sn bond length is 2.98 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu2ZnAg by Materials Project

Eu2AgZn is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Eu is bonded in a body-centered cubic geometry to four equivalent Ag and four equivalent Zn atoms. All Eu–Ag bond lengths are 3.30 Å. All Eu–Zn bond lengths are 3.30 Å. Ag is bonded in a body-centered cubic geometry to eight equivalent Eu atoms. Zn is bonded in a body-centered cubic geometry to eight equivalent Eu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu2TlZn by Materials Project

Eu2ZnTl is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Eu is bonded in a body-centered cubic geometry to four equivalent Zn and four equivalent Tl atoms. All Eu–Zn bond lengths are 3.36 Å. All Eu–Tl bond lengths are 3.36 Å. Zn is bonded in a body-centered cubic geometry to eight equivalent Eu atoms. Tl is bonded in a body-centered cubic geometry to eight equivalent Eu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiEu2Cd by Materials Project

LiEu2Cd is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Li is bonded in a body-centered cubic geometry to eight equivalent Eu atoms. All Li–Eu bond lengths are 3.45 Å. Eu is bonded in a body-centered cubic geometry to four equivalent Li and four equivalent Cd atoms. All Eu–Cd bond lengths are 3.45 Å. Cd is bonded in a body-centered cubic geometry to eight equivalent Eu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb3Eu by Materials Project

Tb3Eu crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Tb sites. In the first Tb site, Tb is bonded to eight Tb and four equivalent Eu atoms to form TbTb8Eu4 cuboctahedra that share corners with twelve equivalent TbTb8Eu4 cuboctahedra, edges with eight equivalent EuTb12 cuboctahedra, edges with sixteen TbTb8Eu4 cuboctahedra, faces with four equivalent EuTb12 cuboctahedra, and faces with fourteen TbTb8Eu4 cuboctahedra. There are four shorter (3.60 Å) and four longer (3.61 Å) Tb–Tb bond lengths. All Tb–Eu bond lengths are 3.61 Å. In the second Tb site, Tb is bonded to eight equivalent Tb and four equivalent Eu atoms to form TbTb8Eu4 cuboctahedra that share corners with four equivalent TbTb8Eu4 cuboctahedra, corners with eight equivalent EuTb12 cuboctahedra, edges with twenty-four TbTb8Eu4 cuboctahedra, faces with six equivalent EuTb12 cuboctahedra, and faces with twelve TbTb8Eu4 cuboctahedra. All Tb–Eu bond lengths are 3.60 Å. Eu is bonded to twelve Tb atoms to form EuTb12 cuboctahedra that share corners with four equivalent EuTb12 cuboctahedra, corners with eight equivalent TbTb8Eu4 cuboctahedra, edges with eight equivalent EuTb12 cuboctahedra, edges with sixteen equivalent TbTb8Eu4 cuboctahedra, faces with four equivalent EuTb12 cuboctahedra, and faces with fourteen TbTb8Eu4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiEu2Ir by Materials Project

LiEu2Ir is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Li is bonded in a body-centered cubic geometry to eight equivalent Eu atoms. All Li–Eu bond lengths are 3.12 Å. Eu is bonded in a body-centered cubic geometry to four equivalent Li and four equivalent Ir atoms. All Eu–Ir bond lengths are 3.12 Å. Ir is bonded in a body-centered cubic geometry to eight equivalent Eu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu2(AsPt)3 by Materials Project

Eu2(PtAs)3 crystallizes in the tetragonal P4/mmm space group. The structure is one-dimensional and consists of one Eu2(PtAs)3 ribbon oriented in the (0, 0, 1) direction. Eu+2.50+ is bonded in a linear geometry to one Pt+1.33+ and one As3- atom. The Eu–Pt bond length is 2.62 Å. The Eu–As bond length is 2.91 Å. There are two inequivalent Pt+1.33+ sites. In the first Pt+1.33+ site, Pt+1.33+ is bonded in a linear geometry to one Eu+2.50+ and one As3- atom. The Pt–As bond length is 2.32 Å. In the second Pt+1.33+ site, Pt+1.33+ is bonded in a linear geometry to two equivalent As3- atoms. Both Pt–As bond lengths are 2.25 Å. There are two inequivalent As3- sites. In the first As3- site, As3- is bonded in a linear geometry to two equivalent Pt+1.33+ atoms. In the second As3- site, As3- is bonded in a linear geometry to one Eu+2.50+ and one Pt+1.33+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu2Cl2F by Materials Project

Eu2Cl2F is alpha Niobium phosphide-derived structured and crystallizes in the tetragonal P4/mmm space group. The structure is zero-dimensional and consists of one Eu2Cl2F cluster. Eu is bonded in a linear geometry to one Cl and one F atom. The Eu–Cl bond length is 2.55 Å. The Eu–F bond length is 2.33 Å. Cl is bonded in a single-bond geometry to one Eu atom. F is bonded in a linear geometry to two equivalent Eu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on EuSbPd by Materials Project

EuPdSb crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Eu is bonded in a 12-coordinate geometry to six equivalent Pd and six equivalent Sb atoms. There are a spread of Eu–Pd bond distances ranging from 3.27–3.57 Å. There are a spread of Eu–Sb bond distances ranging from 3.30–3.47 Å. Pd is bonded in a 10-coordinate geometry to six equivalent Eu and four equivalent Sb atoms. There are a spread of Pd–Sb bond distances ranging from 2.76–2.92 Å. Sb is bonded in a 10-coordinate geometry to six equivalent Eu and four equivalent Pd atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on EuZnPd by Materials Project

EuPdZn crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Eu is bonded in a 12-coordinate geometry to six equivalent Pd and six equivalent Zn atoms. There are a spread of Eu–Pd bond distances ranging from 3.07–3.55 Å. There are a spread of Eu–Zn bond distances ranging from 3.18–3.39 Å. Pd is bonded in a 9-coordinate geometry to six equivalent Eu and four equivalent Zn atoms. There are a spread of Pd–Zn bond distances ranging from 2.68–2.71 Å. Zn is bonded in a 4-coordinate geometry to six equivalent Eu and four equivalent Pd atoms.

36 MATERIALS SCIENCE↗