The generalized phonon density of states of Y-Ba-Cu-O superconductor (Tc=90.5K) have been measured at 289K and 87K respectively, by using Be filter detector neutron inelastic scattering spectrometer at Institute of Atomic Energy.

• 利用铍过滤探测器中子谱仪分别在298K及87K测量了Y-Ba-Cu-O超导体(T_e=90.；5K)的广义声子谱。