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Cross-Polarization:
Basic Principles
Pulse Scheme:
Other references:
Adiabatic passage through the Hartmann-Hahn condition (APHH): Variation of the rf amplitude to improve the transfer efficiency over conventional CP conditions (
94CPL283
) and also combination with MAS (
95CPL449
). Based on adiabatic J cross-polarization previously described for signal enhancement in liquids (
80JACS2526
).
