Brillouin Scattering Study on Exchange Stiffness Parameter, Scattering Intensity and Linewidth of Magnon in Y 3-x Bi xFe 5O 12 Single Crystals

• Y_(3-x)Bi_xFe_5O_(12)系列单晶的磁振子劲度系数,散射强度及线宽的布里渊散射研究