✦ LIBER ✦
Surface Selective1H/29Si CP NMR by NOE Enhancement from Laser Polarized Xenon
✍ Scribed by T. Pietraß; R. Seydoux; A. Pines
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 92 KB
- Volume
- 133
- Category
- Article
- ISSN
- 1090-7807
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✦ Synopsis
The surface proton spin polarization created by the spin-polarization-induced nuclear Overhauser effect from optically polarized xenon can be transferred in a subsequent step by solid-state cross polarization to another nuclear spin species such as 29 Si. The technique exploits the dipolar interactions of xenon nuclear spins with high ␥ nuclei such as 1 H, and is experimentally simpler than direct polarization transfer from 129 Xe to heteronuclei such as 13 C and 29 Si.