Characterizations of F-Superconductors and Selected F-Compounds, Amorphous Carbon and (VO)<sub>2</sub>P<sub>2</sub>O<sub>7</sub> by <sup>19</sup>F, <sup>13</sup>C, <sup>1</sup>H

The purposes of the current work are: (a) to use solid state nuclear magnetic resonance(NMR) techniques to characterize fluorine-containing superconductors, (b) amorphous carbon and (c) (VO)<sub>2</sub>P<sub>2</sub>O<sub>7</sub> and to design a stable system with high spinning speed which can be used for magic angle spinning, multiple pulse decoupling, combined rotation and multiple-pulse spectroscopy (CRAMPS) and dynamic angle spinning experiments.