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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Sm2ZnGa by Materials Project

Sm2ZnGa is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Sm is bonded in a body-centered cubic geometry to four equivalent Zn and four equivalent Ga atoms. All Sm–Zn bond lengths are 3.17 Å. All Sm–Ga bond lengths are 3.17 Å. Zn is bonded in a body-centered cubic geometry to eight equivalent Sm atoms. Ga is bonded in a body-centered cubic geometry to eight equivalent Sm atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SmZnGa by Materials Project

SmZnGa is hexagonal omega structure-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Sm is bonded to six equivalent Zn and six equivalent Ga atoms to form a mixture of edge and face-sharing SmZn6Ga6 cuboctahedra. All Sm–Zn bond lengths are 3.19 Å. All Sm–Ga bond lengths are 3.19 Å. Zn is bonded in a 3-coordinate geometry to six equivalent Sm and three equivalent Ga atoms. All Zn–Ga bond lengths are 2.58 Å. Ga is bonded in a 3-coordinate geometry to six equivalent Sm and three equivalent Zn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sm(ZnGa)2 by Materials Project

Sm(ZnGa)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Sm is bonded in a 8-coordinate geometry to eight equivalent Zn and eight equivalent Ga atoms. All Sm–Zn bond lengths are 3.42 Å. All Sm–Ga bond lengths are 3.20 Å. Zn is bonded to four equivalent Sm and four equivalent Ga atoms to form a mixture of distorted corner, edge, and face-sharing ZnSm4Ga4 tetrahedra. All Zn–Ga bond lengths are 2.56 Å. Ga is bonded in a 9-coordinate geometry to four equivalent Sm, four equivalent Zn, and one Ga atom. The Ga–Ga bond length is 2.46 Å.

36 MATERIALS SCIENCE↗