(A) Layer structure of synthetic antiferromagnetic particles. (B) TEM image of released SAF particles with 100-nm diameter. (C) Surface-enhanced Raman spectra of Rhodamine 6G at different concentrations measured using a different type of plasmonic SAF particle with a ‘sombrero’-like shape, coated with silver.
(B) Reproduced with permission from [50].
(C) Reproduced with permission from [53].