Controllable optical activity of non-spherical Ag and Co SERS substrate with different magnetic field
Fan Chun-Zhen1, †, Zhu Shuang-Mei1, 2, Xin Hao-Yi1
       

(color online) Raman spectra of R6G molecule absorbed on the SERS under 4H (3500 Gs) magnetic field with different concentrations: (curve a) 10−6 M, (curve b) 10−7 M, (curve c) 10−8 M, and (curve d) 10−9 M.