Fig. 4From: A magneto-optical biochip for rapid assay based on the Cotton–Mouton effect of γ-Fe2O3@Au core/shell nanoparticlesCharacterization of γ-Fe2O3@Au nanoparticles a TEM image of γ-Fe2O3@Au nanoparticles (50 nm scale bar), b magnified TEM image of a γ-Fe2O3@Au nanoparticle lattice line of 0.48 nm γ-Fe2O3(111) and 0.23 nm Au (111) (10 nm scale bar), c distribution of the hydrodynamic diameter and d M-H curve of the γ-Fe2O3@Au nanoparticlesBack to article page