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Results for “Au-Er-Sb”

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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Er5SbAu2 by Materials Project

Er5Au2Sb crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. there are two inequivalent Er sites. In the first Er site, Er is bonded to four equivalent Au and two equivalent Sb atoms to form corner-sharing ErSb2Au4 octahedra. The corner-sharing octahedra tilt angles range from 0–49°. All Er–Au bond lengths are 3.13 Å. Both Er–Sb bond lengths are 3.23 Å. In the second Er site, Er is bonded in a 5-coordinate geometry to three equivalent Au and two equivalent Sb atoms. All Er–Au bond lengths are 3.00 Å. Both Er–Sb bond lengths are 3.34 Å. Au is bonded in a 8-coordinate geometry to eight Er atoms. Sb is bonded in a distorted q6 geometry to ten Er atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Er3Sb4Au3 by Materials Project

Er3Au3Sb4 crystallizes in the cubic I-43d space group. The structure is three-dimensional. Er3+ is bonded in a 12-coordinate geometry to four equivalent Au1- and eight equivalent Sb+1.50- atoms. All Er–Au bond lengths are 3.03 Å. There are four shorter (3.38 Å) and four longer (3.48 Å) Er–Sb bond lengths. Au1- is bonded in a 8-coordinate geometry to four equivalent Er3+ and four equivalent Sb+1.50- atoms. All Au–Sb bond lengths are 2.79 Å. Sb+1.50- is bonded in a 3-coordinate geometry to six equivalent Er3+ and three equivalent Au1- atoms.

36 MATERIALS SCIENCE↗