SOLID-STATE MULTINUCLEAR NMR-STUDIES OF FERROELECTRIC, PIEZOELECTRIC, AND RELATED MATERIALS

High-field Ti-47 and Ti-49, Zn-67, Zr-92, and Ba-137 magic-angle-spinning NMR spectra are reported for the following ferroelectric, piezoelectric, and related materials: SrTiO3, BaTiO3, CaTiO3, TiO2, BaZrO3, SrZrO3, BaO, ZnO, and ZnS. The observed line shapes are rationalized in terms of the local symmetry of the various metal atom sites. An indication of the sensitivity of chemical shifts of the various metal cations to local chemical structure is given. in addition, H-1 CRAMPS NMR spectra of some zirconium and titanium salts that are used as precursors in the production of electrical materials are discussed.