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DOE OSTI2020

Materials Data on YbEu by Materials Project

EuYb is alpha La-derived structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are two inequivalent Yb sites. In the first Yb site, Yb is bonded to six equivalent Yb and six Eu atoms to form YbYb6Eu6 cuboctahedra that share corners with twelve YbYb6Eu6 cuboctahedra, edges with twelve YbYb6Eu6 cuboctahedra, edges with twelve EuYb6Eu6 cuboctahedra, faces with six equivalent YbYb6Eu6 cuboctahedra, and faces with twelve EuYb6Eu6 cuboctahedra. All Yb–Yb bond lengths are 3.89 Å. All Yb–Eu bond lengths are 3.91 Å. In the second Yb site, Yb is bonded to ten equivalent Yb and six Eu atoms to form YbYb10Eu6 cuboctahedra that share corners with ten EuYb6Eu6 cuboctahedra, corners with twelve YbYb6Eu6 cuboctahedra, edges with eight EuYb6Eu6 cuboctahedra, edges with sixteen YbYb6Eu6 cuboctahedra, faces with sixteen equivalent YbYb10Eu6 cuboctahedra, and faces with eighteen EuYb6Eu6 cuboctahedra. There are a spread of Yb–Yb bond distances ranging from 3.89–7.77 Å. All Yb–Eu bond lengths are 3.91 Å. There are three inequivalent Eu sites. In the first Eu site, Eu is bonded to six equivalent Yb and six equivalent Eu atoms to form EuYb6Eu6 cuboctahedra that share corners with twelve EuYb6Eu6 cuboctahedra, edges with twelve equivalent YbYb6Eu6 cuboctahedra, edges with twelve EuYb6Eu6 cuboctahedra, faces with six equivalent EuYb6Eu6 cuboctahedra, and faces with twelve equivalent YbYb6Eu6 cuboctahedra. All Eu–Eu bond lengths are 3.89 Å. In the second Eu site, Eu is bonded to six Yb and six equivalent Eu atoms to form EuYb6Eu6 cuboctahedra that share corners with five equivalent YbYb10Eu6 cuboctahedra, corners with twelve EuYb6Eu6 cuboctahedra, edges with ten YbYb6Eu6 cuboctahedra, edges with twelve EuYb6Eu6 cuboctahedra, faces with six equivalent EuYb6Eu6 cuboctahedra, and faces with fifteen YbYb6Eu6 cuboctahedra. All Eu–Yb bond lengths are 3.91 Å. All Eu–Eu bond lengths are 3.89 Å. In the third Eu site, Eu is bonded to six Yb and six equivalent Eu atoms to form EuYb6Eu6 cuboctahedra that share corners with five equivalent YbYb10Eu6 cuboctahedra, corners with twelve EuYb6Eu6 cuboctahedra, edges with ten YbYb6Eu6 cuboctahedra, edges with twelve EuYb6Eu6 cuboctahedra, faces with six equivalent EuYb6Eu6 cuboctahedra, and faces with fifteen YbYb6Eu6 cuboctahedra. All Eu–Eu bond lengths are 3.89 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YbEu3 by Materials Project

YbEu3 is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Yb is bonded in a distorted body-centered cubic geometry to fourteen Eu atoms. There are eight shorter (3.79 Å) and six longer (4.37 Å) Yb–Eu bond lengths. There are two inequivalent Eu sites. In the first Eu site, Eu is bonded in a distorted body-centered cubic geometry to four equivalent Yb and four equivalent Eu atoms. All Eu–Eu bond lengths are 3.79 Å. In the second Eu site, Eu is bonded in a 8-coordinate geometry to six equivalent Yb and eight equivalent Eu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Yb3Eu by Materials Project

Yb3Eu crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Yb sites. In the first Yb site, Yb is bonded to eight Yb and four equivalent Eu atoms to form YbYb8Eu4 cuboctahedra that share corners with twelve equivalent YbYb8Eu4 cuboctahedra, edges with eight equivalent EuYb12 cuboctahedra, edges with sixteen YbYb8Eu4 cuboctahedra, faces with four equivalent EuYb12 cuboctahedra, and faces with fourteen YbYb8Eu4 cuboctahedra. All Yb–Yb bond lengths are 3.89 Å. All Yb–Eu bond lengths are 3.89 Å. In the second Yb site, Yb is bonded to eight equivalent Yb and four equivalent Eu atoms to form YbYb8Eu4 cuboctahedra that share corners with four equivalent YbYb8Eu4 cuboctahedra, corners with eight equivalent EuYb12 cuboctahedra, edges with twenty-four YbYb8Eu4 cuboctahedra, faces with six equivalent EuYb12 cuboctahedra, and faces with twelve YbYb8Eu4 cuboctahedra. All Yb–Eu bond lengths are 3.89 Å. Eu is bonded to twelve Yb atoms to form EuYb12 cuboctahedra that share corners with four equivalent EuYb12 cuboctahedra, corners with eight equivalent YbYb8Eu4 cuboctahedra, edges with eight equivalent EuYb12 cuboctahedra, edges with sixteen equivalent YbYb8Eu4 cuboctahedra, faces with four equivalent EuYb12 cuboctahedra, and faces with fourteen YbYb8Eu4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Yb3Eu by Materials Project

Yb3Eu is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Yb is bonded to eight equivalent Yb and four equivalent Eu atoms to form YbYb8Eu4 cuboctahedra that share corners with four equivalent EuYb12 cuboctahedra, corners with fourteen equivalent YbYb8Eu4 cuboctahedra, edges with six equivalent EuYb12 cuboctahedra, edges with twelve equivalent YbYb8Eu4 cuboctahedra, faces with four equivalent EuYb12 cuboctahedra, and faces with sixteen equivalent YbYb8Eu4 cuboctahedra. There are four shorter (3.85 Å) and four longer (3.87 Å) Yb–Yb bond lengths. There are two shorter (3.85 Å) and two longer (3.87 Å) Yb–Eu bond lengths. Eu is bonded to twelve equivalent Yb atoms to form EuYb12 cuboctahedra that share corners with six equivalent EuYb12 cuboctahedra, corners with twelve equivalent YbYb8Eu4 cuboctahedra, edges with eighteen equivalent YbYb8Eu4 cuboctahedra, faces with eight equivalent EuYb12 cuboctahedra, and faces with twelve equivalent YbYb8Eu4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YbEu by Materials Project

EuYb crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. Yb is bonded in a 8-coordinate geometry to four equivalent Yb and four equivalent Eu atoms. All Yb–Yb bond lengths are 3.76 Å. All Yb–Eu bond lengths are 3.74 Å. Eu is bonded in a 8-coordinate geometry to four equivalent Yb and four equivalent Eu atoms. All Eu–Eu bond lengths are 3.76 Å.

36 MATERIALS SCIENCE↗