CP-DAS (動態角旋轉), CP-DOR (雙軸旋轉)

Some NMR references about CP-DAS and CP-DOR pulse sequences applied to half-integer quadrupole spins:

1. R. F. Parton, F. Thibault-Starzyk, R. A. Reynders, P. J. Grobet, P. A. Jacobs, C. P. Bezoukhanova, W. Sun, and Y. Wu
   Stacked phthalocyanines in VPI-5 pores as evidenced by CPDOR ¹H-²⁷Al NMR,
   J. Mol. Catal. A 97, 183-186 (1995).
2. C. A. Fyfe, K. C. Wong-Moon, H. Grondey, and K. T. Mueller
   Increased efficiency of coherence transfer in cross-polarization NMR from quadrupolar nuclei: dynamic-angle cross-polarization,
   J. Phys. Chem. 98, 2139-2142 (1994).
3. J. H. Baltisberger, S. L. Gann, P. J. Grandinetti, and A. Pines
   CP dynamic-angle spinning NMR of quadrupolar nuclei,
   Mol. Phys. 81, 1109-1124 (1994).