作者: Hoang Mai Luong , Bin Ai , Yiping Zhao , Tho Duc Nguyen
DOI: 10.1016/J.JMMM.2018.07.074
关键词: Materials science 、 Condensed matter physics 、 Cobalt 、 Spectral line 、 Thin film 、 Thickness dependent 、 Time domain 、 Faraday effect 、 Plasmon 、 Electric field
摘要: Abstract The thickness dependent magneto-optical Faraday rotation in Co ferromagnetic thin films and perforated periodic nano-hole arrays were investigated. It was observed that the optical response of strongly on film, reached maximum amplitude at an optimal value 30–50 nm, which contrasted with where increased film thickness. In addition, spectra showed a weak resonantly enhanced peak anti-resonance modes (or Wood’s anomalies) transmission spectra, correspond to local electric field surrounding medium interfaces. All experimental results confirmed by finite-difference time domain calculations.