Materials Data on EuGaO3 by Materials Project

Abstract

EuGaO3 is Orthorhombic Perovskite structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Eu3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Eu–O bond distances ranging from 2.35–2.68 Å. Ga3+ is bonded to six O2- atoms to form corner-sharing GaO6 octahedra. The corner-sharing octahedral tilt angles are 29°. There are a spread of Ga–O bond distances ranging from 1.99–2.04 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to three equivalent Eu3+ and two equivalent Ga3+ atoms. In the second O2- site, O2- is bonded to two equivalent Eu3+ and two equivalent Ga3+ atoms to form distorted corner-sharing OEu2Ga2 tetrahedra.