PFG MQ-MAS references

Below are provided some NMR references about MQ-MAS with PFG sequence applied to half-integer quadrupole spins. These references contain
(1) the pulse-sequence diagram,
(2) the coherence-transfer pathways,
(3) the phase-cycling.

1. C. A. Fyfe, H. Meyer zu Altenschildesche, and J. Skibsted
   Characterization of Na₅P₃O₁₀ polymorphs by ²³Na MAS, ²³Na MQMAS, and ³¹P MAS NMR spectroscopy, (1)(2)
   Inorg. Chem. 38, 84-92 (1999).
2. C. A. Fyfe, J. Skibsted, H. Grondey, and H. Meyer zu Altenschildesche
   Pulsed field gradient MQ MAS NMR spectroscopy of half-integer spin quadrupolar nuclei, (1)(2)
   Chem. Phys. Lett. 281, 44-48 (1997).

Related bibliography

1. A. Jerschow and N. Müller
   Efficient simulation of coherence transfer pathway selection by phase cycling and pulsed field gradients in NMR, (1)(2)
   J. Magn. Reson. 134, 17-29 (1998).
2. A. Bax, P. G. De Jong, A. F. Mehlkopf, and J. Smidt
   Separation of the different orders of NMR multiple-quantum transitions by the use of pulsed field gradients, (1)
   Chem. Phys. Lett. 69, 567-570 (1980).