Figure 3

(a) The electrical conductivity σ and the maximum amplitude of THz signal Ey max for Ni, Fe, and Co 30 nm films. (b) Comparison of THz emission profiles for Ni, Fe, and Co films at a positively saturated state.
(a) The electrical conductivity σ and the maximum amplitude of THz signal Ey max for Ni, Fe, and Co 30 nm films. (b) Comparison of THz emission profiles for Ni, Fe, and Co films at a positively saturated state.