Field-variable magnetic domain characterization of individual 10 nm Fe<sub>3</sub>O<sub>4</sub> nanoparticles

Field-variable magnetic domain characterization of individual 10 nm Fe₃O₄ nanoparticles

Li Zheng-Hua¹, Li Xiang^{2, †}, Lu Wei³

MFM images in the same area of Fe₃O₄ samples. (a) Topography, (b)–(h) phase images with the various applied magnetic fields, (i) spectrum line profiles of particles 1#–4# shown in (g), and (j) 3-dimensional MFM image of the white line box area shown in (h).