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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Ho2CuPd by Materials Project

Ho2PdCu is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ho is bonded in a body-centered cubic geometry to four equivalent Pd and four equivalent Cu atoms. All Ho–Pd bond lengths are 3.00 Å. All Ho–Cu bond lengths are 3.00 Å. Pd is bonded in a body-centered cubic geometry to eight equivalent Ho atoms. Cu is bonded in a body-centered cubic geometry to eight equivalent Ho atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HoCu4Pd by Materials Project

HoPdCu4 is Hexagonal Laves-derived structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Ho is bonded in a 12-coordinate geometry to four equivalent Pd and twelve equivalent Cu atoms. All Ho–Pd bond lengths are 3.05 Å. All Ho–Cu bond lengths are 2.92 Å. Pd is bonded in a 4-coordinate geometry to four equivalent Ho and twelve equivalent Cu atoms. All Pd–Cu bond lengths are 2.92 Å. Cu is bonded to three equivalent Ho, three equivalent Pd, and six equivalent Cu atoms to form a mixture of edge, face, and corner-sharing CuHo3Cu6Pd3 cuboctahedra. There are three shorter (2.47 Å) and three longer (2.50 Å) Cu–Cu bond lengths.

36 MATERIALS SCIENCE↗