HXY probe 1H-13C DR mode, low range
29Si CP
sample: MMM-Beta 4# 12C2H4 275C
MAS = 10 kHz
D1 = 3s
sr = -462 Hz, ref to high field peak of Q8M8 at -109 ppm
1H rf = 2.85 us, 88 kHz, 62W, corresponding to 3 us, 83 kHz at 56 W
29Si rf = 4.4 us, 57 kHz at 100 W, corresponding to 4.2 us, 60 kHz at 112 W
29Si CP at 45 kHz, 62 W matched to 1H CP at 60 kHz, 29 W. ramp.100 contact
1H 90 degree pulse and SPINAL64 decoupling at 83 kHz, 56 W
p15 = 9ms