Mechanical Engineering / Condensed Matter Physics / Block Copolymer / Magnetism / Composite / Iron Oxide / Iron / Radio Frequency / Nucleation and Growth / Dielectric Properties / Room Temperature / Magnetism and Magnetic Materials / Size Effect / Dielectric Permittivity / Iron Oxide / Iron / Radio Frequency / Nucleation and Growth / Dielectric Properties / Room Temperature / Magnetism and Magnetic Materials / Size Effect / Dielectric Permittivity