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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on AlAuO2 by Materials Project

AuAlO2 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Au1+ is bonded in a linear geometry to two equivalent O2- atoms. Both Au–O bond lengths are 2.15 Å. Al3+ is bonded to six equivalent O2- atoms to form edge-sharing AlO6 octahedra. All Al–O bond lengths are 1.94 Å. O2- is bonded to one Au1+ and three equivalent Al3+ atoms to form a mixture of distorted corner and edge-sharing OAl3Au tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AlAuO3 by Materials Project

AuAlO3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Au3+ is bonded to twelve equivalent O2- atoms to form AuO12 cuboctahedra that share corners with twelve equivalent AuO12 cuboctahedra, faces with six equivalent AuO12 cuboctahedra, and faces with eight equivalent AlO6 octahedra. All Au–O bond lengths are 2.66 Å. Al3+ is bonded to six equivalent O2- atoms to form AlO6 octahedra that share corners with six equivalent AlO6 octahedra and faces with eight equivalent AuO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Al–O bond lengths are 1.88 Å. O2- is bonded in a linear geometry to four equivalent Au3+ and two equivalent Al3+ atoms.

36 MATERIALS SCIENCE↗