Frequency-chirped microwaves decouple electron- and C-spins in magic-angle spinning N@C:C powder, improving DNP-enhanced C NMR signal intensity by 12% for 7 s polarization, and 5% for 30 s polarization. This electron decoupling demonstration is a step toward utilizing N@C as a controllable electron-spin source for magic-angle spinning magnetic resonance experiments.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9930727 | PMC |
| http://dx.doi.org/10.1039/d2cp04516h | DOI Listing |
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