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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Sc2AlOs by Materials Project

Sc2OsAl is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Sc is bonded in a body-centered cubic geometry to four equivalent Os and four equivalent Al atoms. All Sc–Os bond lengths are 2.85 Å. All Sc–Al bond lengths are 2.85 Å. Os is bonded in a body-centered cubic geometry to eight equivalent Sc atoms. Al is bonded in a distorted body-centered cubic geometry to eight equivalent Sc atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ScAl2Os by Materials Project

ScOsAl2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two ScOsAl2 ribbons oriented in the (1, 0, 0) direction. Sc is bonded in a linear geometry to two equivalent Al atoms. Both Sc–Al bond lengths are 2.84 Å. Os is bonded in a linear geometry to two equivalent Al atoms. Both Os–Al bond lengths are 2.37 Å. Al is bonded in a linear geometry to one Sc and one Os atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sc6Al16Os7 by Materials Project

Sc6Os7Al16 crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Sc is bonded in a 12-coordinate geometry to four equivalent Os and eight Al atoms. All Sc–Os bond lengths are 3.14 Å. There are four shorter (2.92 Å) and four longer (2.96 Å) Sc–Al bond lengths. There are two inequivalent Os sites. In the first Os site, Os is bonded to four equivalent Sc and eight Al atoms to form a mixture of distorted corner and face-sharing OsSc4Al8 cuboctahedra. There are four shorter (2.53 Å) and four longer (2.72 Å) Os–Al bond lengths. In the second Os site, Os is bonded in a body-centered cubic geometry to eight equivalent Al atoms. All Os–Al bond lengths are 2.60 Å. There are two inequivalent Al sites. In the first Al site, Al is bonded in a 3-coordinate geometry to three equivalent Sc and three equivalent Os atoms. In the second Al site, Al is bonded in a 4-coordinate geometry to three equivalent Sc and four Os atoms.

36 MATERIALS SCIENCE↗