Resonant magneto–optical Kerr effect induced by hybrid plasma modes in ferromagnetic nanovoids
Zhang Xia1, †, Shi Lei2, Li Jing3, Xia Yun-Jie1, Zhou Shi-Ming4
       

(color online) θk (black lines) and εk (red lines) (a)–(c) and reflection (d)–(f) spectra as a function of λ for samples S2. The leftmost column is the top-view AFM images of samples S2. Both the spectra and images are for samples with a = 530, 620, and 760 nm from up to down, respectively.