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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on CeMg2Ag by Materials Project

Mg2CeAg is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Mg is bonded in a body-centered cubic geometry to four equivalent Ce and four equivalent Ag atoms. All Mg–Ce bond lengths are 3.11 Å. All Mg–Ag bond lengths are 3.11 Å. Ce is bonded in a distorted body-centered cubic geometry to eight equivalent Mg and six equivalent Ag atoms. All Ce–Ag bond lengths are 3.59 Å. Ag is bonded in a distorted body-centered cubic geometry to eight equivalent Mg and six equivalent Ce atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CeMgAg2 by Materials Project

MgCeAg2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Mg is bonded in a body-centered cubic geometry to eight equivalent Ag atoms. All Mg–Ag bond lengths are 3.10 Å. Ce is bonded in a body-centered cubic geometry to eight equivalent Ag atoms. All Ce–Ag bond lengths are 3.10 Å. Ag is bonded in a body-centered cubic geometry to four equivalent Mg and four equivalent Ce atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CeMgAg by Materials Project

CeAgMg crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Mg is bonded in a 4-coordinate geometry to four Ag atoms. There are two shorter (2.89 Å) and two longer (3.06 Å) Mg–Ag bond lengths. Ce is bonded in a 5-coordinate geometry to five Ag atoms. There are four shorter (3.22 Å) and one longer (3.28 Å) Ce–Ag bond lengths. There are two inequivalent Ag sites. In the first Ag site, Ag is bonded in a 9-coordinate geometry to six equivalent Mg and three equivalent Ce atoms. In the second Ag site, Ag is bonded in a 9-coordinate geometry to three equivalent Mg and six equivalent Ce atoms.

36 MATERIALS SCIENCE↗