High-Resolution Nuclear Magnetic Resonance of Solids

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Science  19 Oct 1984:
Vol. 226, Issue 4672, pp. 282-288
DOI: 10.1126/science.226.4672.282


The development of line-narrowing techniques, such as magic-angle spinning (MAS) and high-power decoupling, has led to powerful high-resolution nuclear magnetic resonance approaches for solid samples. In favorable cases (for instance, where high abundances of protons are present) cross polarization (CP) provides a means of circumventing the time bottleneck caused by inefficient spinlattice relaxation in many solids. The combined CP-MAS approach for carbon-13 with proton decoupling has become a popular and routine experiment for organic solids. For many nuclides with spin quantum number /> ½ the central nuclear magnetic resonance transition can be employed in high-resolution experiments that involve rapid sample spinning. A continuing stream of advances holds great promise for the use of high-resolution techniques for the characterization of solids by a wide range of nuclides.

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