Physical Mechanism of Ge Doping Enhanced Ruddlesden-Popper Structure Quasi-2D Sr3Sn2O7 Ceramic Hybrid Improper Ferroelectricity
ACTA PHYSICA SINICA（2024）
关键词
Sr3Sn2O7,hybrid improper ferroelectricity,oxygen octahedron tilt and rotation,first-principles study
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