Recent advances in solid state NMR and its application to ceramics

The basic principles of solid state NMR are explained. Four application examples contained amorphous glass, determination of defects of oxide crystal, nano particle and ionic materials. The structure of inorganic glass is measured by 29Si, 11B, 31P and 23Na NMR and Magic Angle Spinning NMR (MAS-NMR), chemical species near hydrogen by Cross-Polarization Magic Angle Spinning (CP/MAS) method, and hydrogen by Combined Rotation And Multiple Pulse Spectroscopy (CRAMPS) and MAS-NMR. Hydrous and anhydrous silicate glass with condensed 17O was measured by 17O Multi Quantum Magic Angle Spinning (MQ/MAS). 27Al in slags was analyzed by 27Al 5Q-MAS. 89Y NMR spectrum of YSZ (Yttria Stabilization Zirconia, Y2O3-ZrO2) was explained. The ion transfer phenomena in the electrolyte are observed directly by the solid state NMR. (S.Y.)