High permeability and bimodal resonance structure of flaky soft magnetic composite materials
Liu Xi1, †, Wu Peng1, Wang Peng2, Wang Tao2, Qiao Liang2, Li Fa-Shen2
       

Ball milling process over time, showing (a) spherical carbonyl iron particles become flaky, and thickness of flaky carbonyl iron particles gradually thin, (b) variation of magnetic domain number.