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. 2016 Oct 18;6:35477. doi: 10.1038/srep35477

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Copyright © 2016, The Author(s)

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(a) A low-magnification TEM image of the γ-Fe₂O₃@Au nanoparticles. (b) Locally magnified image of a γ-Fe₂O₃@Au nanoparticle. The Au shell and γ-Fe₂O₃ core crystal structures are observed.