Figure 5.

UV-Vis-NIR spectra of as-synthesized gold-silver alloy nanoshells deposited on gold-seeded Gd:Fe3O4 nanocores for (A) Au:Ag = 1:1 and (B) Au:Ag = 5:1 nanoparticles.

Gheorghe et al. Nanoscale Research Letters 2011 6:554   doi:10.1186/1556-276X-6-554
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