FASTER MQ-MAS references
Below are provided some NMR references about MQ-MAS
Spinning gives Transfer
Enhancement at Rotary
resonance sequence applied to half-integer quadrupole spins.
These references contain
(1) the pulse-sequence diagram,
(2) the coherence-transfer pathways,
(3) the phase-cycling.
T. Vosegaard, C. Kehlet, N. Khaneja, S. J. Glaser, and N. C. Nielsen
Improved excitation schemes for multiple-quantum magic-angle spinning for quadrupolar nuclei designed using optimal control theory,
J. Am. Chem. Soc. 127, 13768-13769 (2005).
T. Vosegaard, P. Florian, D. Massiot, and P. J. Grandinetti
Multiple quantum MAS using rotary resonance excitation, (1)(2)
J. Chem. Phys. 114, 4618-4624 (2001).
Z. Gan and P. Grandinetti
Rotary resonance in multiple-quantum magic-angle spinning,
Chem. Phys. Lett. 352, 252-261 (2002).
J. D. Walls, K. H. Lim, and A. Pines
Theoretical studies of the spin dynamics of quadrupolar nuclei at rotational resonance conditions,
J. Chem. Phys. 116, 79-90 (2002).
J. D. Walls, K. H. Lim, J. W. Logan, J. T. Urban, A. Jerschow,
and A. Pines
Theoretical investigations of I = 5/2 quadrupolar spin dynamics in the sudden-passage regime,
J. Chem. Phys. 117, 518-532 (2002).
S. M. De Paul, M. Ernst, J. S. Shore, J. F. Stebbins, and A. Pines
Cross-polarization from quadrupolar nuclei to silicon using low-radio-frequency amplitudes during MAS,
J. Phys. Chem. B 101, 3240-3249 (1997).
W. Sun, J. T. Stephen, L. D. Potter, and Y. Wu
Rotation-induced resonance and second-order quadrupolar effects on spin locking of half-integer quadrupolar nuclei,
J. Magn. Reson. A 116, 181-188 (1995).