Tuning two-photon absorption effect in magnetic nanoparticles by employing an external magnetic field: ultrafast and magnitude measurements - Gonçalves, Eduardo Sell; Siqueira, Jonathas; Wlysses, Wagner; Parekh, Kinnari; Mendonça, Cleber Renato; Figueiredo Neto, Antonio Martins; De Boni, Leonardo (Materials Research Society Fall Meeting and Exhibit, 2019)