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Left panel: Orthorhombic crystal structure of bulk SRO, with green-, blue-and yellow-colored spheres representing Ru, Sr, and O atoms, respectively. Tilting angle, (180 0 − φ )/2, and rotation angle, (90 0 − θ )/2, of oxygen octahedra are marked.

Left panel: Orthorhombic crystal structure of bulk SRO, with green-, blue-and yellow-colored spheres representing Ru, Sr, and O atoms, respectively. Tilting angle, (180 0 − φ )/2, and rotation angle, (90 0 − θ )/2, of oxygen octahedra are marked.

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Motivated by the recently observed unconventional Hall effect in ultra-thin films of ferromagnetic SrRuO$_3$ (SRO) we investigate the effect of strain-induced oxygen octahedral distortion in the electronic structure and anomalous Hall response of the SRO ultra-thin films by virtue of density functional theory calculations. Our findings reveal that...

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Context 1
... SRO is stabilized in an orthorhombic crystal structure below 850 K with GdFeO 3 -type distortion 36 characterized by the tilting of the RuO 6 octahedra in alternate directions away from the z-axis and the rotation of the octahedra, as shown in Fig. 1. It is a ferromagnetic metal with Curie temperature of 160 K and magnetic moment of 1.1−1.7 µ B /f.u. 37,38 . The optimized lattice parameters of the bulk SRO, obtained while keeping the symmetry of the structure fixed were found to be in good agreement with previous studies [37][38][39] . We find the distortion of RuO 6 octahedra ...
Context 2
... SRO is stabilized in an orthorhombic crystal structure below 850 K with GdFeO 3 -type distortion 36 characterized by the tilting of the RuO 6 octahedra in alternate directions away from the z-axis and the rotation of the octahedra, as shown in Fig. 1. It is a ferromagnetic metal with Curie temperature of 160 K and magnetic moment of 1.1−1.7 µ B /f.u. 37,38 . The optimized lattice parameters of the bulk SRO, obtained while keeping the symmetry of the structure fixed were found to be in good agreement with previous studies [37][38][39] . We find the distortion of RuO 6 octahedra ...

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