Adiabatic passage Hartmann-Hahn cross polarization in NMR under magic angle sample spinning

We have recently demonstrated that polarization transfer using an adiabatic passage through the Hartmann-Hahn condition (APHH-CP) by a variation of the radio-frequency amplitude can substantially improve the transfer efficiency over Hartmann-Hahn cross polarization. Here we show that APHH-CP can be...

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Bibliographic Details
Published in:Chemical physics letters 1995-07, Vol.240 (5), p.449-456
Main Authors: Hediger, S., Meier, B.H., Ernst, R.R.
Format: Article
Language:English
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Summary:We have recently demonstrated that polarization transfer using an adiabatic passage through the Hartmann-Hahn condition (APHH-CP) by a variation of the radio-frequency amplitude can substantially improve the transfer efficiency over Hartmann-Hahn cross polarization. Here we show that APHH-CP can be combined with fast magic angle sample spinning (MAS). The heteronuclear dipolar order, established in the course of the transfer, can indeed be created and preserved.
ISSN:0009-2614
1873-4448
DOI:10.1016/0009-2614(95)00505-X