General analytical description of spin-diffusion for a three-domain morphology. Application to melt-spun nylon 6 fibers

Article Abstract:

The NMR spin-diffusion process-taking place in morphology represented by three different domains with arbitrary sizes and diffusivities is investigated. The effects of large changes in the size of the interface domain and the spin-diffusion coefficients of this domain on the spin-diffusion decay and build-up curves were analyzed by numerical simulations.

Nylon fibers, Nylon fibres

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Application of multiple-pulse experiments to characterize broad NMR chemical-shift powder patterns from spin-1/2 nuclei in the solid state

Article Abstract:

The envelope of the spikelet spectra of the CPMG and modified CPMG pulse sequence is similar to that obtained from the classic spin-echo experiment. This experiment can be an alternative to ROCSA technique that uses fest MAS.

Atomic nuclei

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Application of multiple-pulse experiments to characterize broad NMR chemical-shift powder patterns from spin-1/2 nuclei in the solid state

Article Abstract:

The envelope of the spikelet spectra of the CPMG and modified CPMG pulse sequence is similar to that obtained from the classic spin-echo experiment. This experiment can be an alternative to ROCSA technique that uses fest MAS.

Spectrum analysis, Spectroscopy

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