Author/Authors :
Wada، نويسنده , , Tamotsu and Sakuma، نويسنده , , Takashi and Sakai، نويسنده , , Ryutaro and Uehara، نويسنده , , Hiroyuki and Xianglian and Takahashi، نويسنده , , Haruyuki and Kamishima، نويسنده , , Osamu and Igawa، نويسنده , , Naoki and Danilkin، نويسنده , , Sergey A.، نويسنده ,
Abstract :
Diffuse neutron scattering measurements have been performed on powder Ag2O at 8 and 295 K with the use of High Resolution Powder Diffractometer installed at JRR-3 in Japan Atomic Energy Agency. Oscillatory diffuse scattering intensities are clearly observed at 8 and 295 K. The observed diffuse scattering intensities are explained by including the correlation effects among thermal displacements of atoms. The force constants among neighboring atoms in Ag2O are obtained from the values of correlation effects and Debye–Waller temperature parameters at 295 K.
Keywords :
Neutron diffraction , Correlation effects , diffuse scattering , Force constants , thermal vibration
