First-principles study of strain effect on the formation and electronic structures of oxygen vacancy in SrFeO<sub>2</sub>

First-principles study of strain effect on the formation and electronic structures of oxygen vacancy in SrFeO₂

Zhang Wei^{1, †,}, Huang Jie²

Evolution of structural and magnetic properties with strain in bulk SrFeO₂. (a) The relaxed volume (vol) and magnetic moment. (b) Lattice constants. The dashed line shows the c-axis lattice constant (cst) for a material with an ideal Poisson ratio.