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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on EuInAg2 by Materials Project

EuAg2In 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 eight equivalent Ag and six equivalent In atoms. All Eu–Ag bond lengths are 3.13 Å. All Eu–In bond lengths are 3.62 Å. Ag is bonded in a body-centered cubic geometry to four equivalent Eu and four equivalent In atoms. All Ag–In bond lengths are 3.13 Å. In is bonded in a distorted body-centered cubic geometry to six equivalent Eu and eight equivalent Ag atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu(In2Ag)4 by Materials Project

EuAg4In8 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Eu is bonded in a 12-coordinate geometry to eight equivalent Ag and twelve In atoms. All Eu–Ag bond lengths are 4.07 Å. There are four shorter (3.69 Å) and eight longer (3.84 Å) Eu–In bond lengths. Ag is bonded in a 12-coordinate geometry to two equivalent Eu, two equivalent Ag, and eight In atoms. Both Ag–Ag bond lengths are 3.11 Å. There are four shorter (3.11 Å) and four longer (3.25 Å) Ag–In bond lengths. There are two inequivalent In sites. In the first In site, In is bonded in a 10-coordinate geometry to one Eu, four equivalent Ag, and five In atoms. There are a spread of In–In bond distances ranging from 3.25–3.47 Å. In the second In site, In is bonded in a 12-coordinate geometry to two equivalent Eu, four equivalent Ag, and six In atoms. Both In–In bond lengths are 3.19 Å.

36 MATERIALS SCIENCE↗