High-resolution 13C nuclear magnetic resonance in solids
- 1 January 1978
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Faraday Symposia of the Chemical Society
- Vol. 13, 56-62
- https://doi.org/10.1039/fs9781300056
Abstract
A procedure is demonstrated for determining the relative contributions of spin–lattice and spin–spin interactions to T1ρ(C), the relaxation time characterizing the loss of spin-locked carbon polarization. This involves the characterization of relaxation processes associated with several cross-polarization experiments. Three glassy polymer T1ρ(C) values are shown to be dominated by spin–lattice effects while a crystalline polymer relaxes through a spin–spin mechanism.Keywords
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