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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Rb3Dy by Materials Project

Rb3Dy is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent Rb sites. In the first Rb site, Rb is bonded in a distorted body-centered cubic geometry to four equivalent Rb and four equivalent Dy atoms. All Rb–Rb bond lengths are 4.41 Å. All Rb–Dy bond lengths are 4.41 Å. In the second Rb site, Rb is bonded in a body-centered cubic geometry to eight equivalent Rb atoms. Dy is bonded in a body-centered cubic geometry to eight equivalent Rb atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb3Dy by Materials Project

Rb3Dy is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Rb is bonded to eight equivalent Rb and four equivalent Dy atoms to form distorted RbRb8Dy4 cuboctahedra that share corners with twelve equivalent RbRb8Dy4 cuboctahedra, edges with eight equivalent DyRb12 cuboctahedra, edges with sixteen equivalent RbRb8Dy4 cuboctahedra, faces with four equivalent DyRb12 cuboctahedra, and faces with fourteen equivalent RbRb8Dy4 cuboctahedra. All Rb–Rb bond lengths are 4.52 Å. All Rb–Dy bond lengths are 4.52 Å. Dy is bonded to twelve equivalent Rb atoms to form DyRb12 cuboctahedra that share corners with twelve equivalent DyRb12 cuboctahedra, edges with twenty-four equivalent RbRb8Dy4 cuboctahedra, faces with six equivalent DyRb12 cuboctahedra, and faces with twelve equivalent RbRb8Dy4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb3Dy by Materials Project

Rb3Dy is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Rb is bonded to eight equivalent Rb and four equivalent Dy atoms to form distorted RbRb8Dy4 cuboctahedra that share corners with four equivalent DyRb12 cuboctahedra, corners with fourteen equivalent RbRb8Dy4 cuboctahedra, edges with six equivalent DyRb12 cuboctahedra, edges with twelve equivalent RbRb8Dy4 cuboctahedra, faces with four equivalent DyRb12 cuboctahedra, and faces with sixteen equivalent RbRb8Dy4 cuboctahedra. There are a spread of Rb–Rb bond distances ranging from 4.39–4.69 Å. There are two shorter (4.51 Å) and two longer (4.54 Å) Rb–Dy bond lengths. Dy is bonded to twelve equivalent Rb atoms to form DyRb12 cuboctahedra that share corners with six equivalent DyRb12 cuboctahedra, corners with twelve equivalent RbRb8Dy4 cuboctahedra, edges with eighteen equivalent RbRb8Dy4 cuboctahedra, faces with eight equivalent DyRb12 cuboctahedra, and faces with twelve equivalent RbRb8Dy4 cuboctahedra.

36 MATERIALS SCIENCE↗