Magnetism in SrTiO3 before and after UV irradiation

The saturation magnetization in SrTiO3 microcubes is enhanced from 2.00 × 10−2 to 5.10 × 10−2 emu/g after UV irradiation. The ferromagnetism in SrTiO3 microcubes is a result of oxygen vacancies corroding to the first principles calculations.