Optically Induced Magnetization Switching in NiCo<sub>2</sub>O<sub>4</sub> Thin Films Using Ultrafast Lasers
Optically Induced Magnetization Switching in NiCo<sub>2</sub>O<sub>4</sub> Thin Films Using Ultrafast Lasers
All-optical magnetization control has recently been garnering considerable attention to realize next-generation ultrafast magnetic information devices. Here, employing a magneto-optical Kerr effect (MOKE) microscope, we observed the laser-induced magnetization switching of ferrimagnetic oxide NiCo2O4 (NCO) epitaxial thin films with perpendicular magnetic anisotropy, where the sample was pumped by 1030 nm …