Generalized biaxial shearing of MQMAS NMR spectra. Gehman, J. D & Provis, J. L Technical Report 2009. Publication Title: Journal of Magnetic Resonance Volume: 200 Issue: 1 ISSN: 10907807doi abstract bibtex Two dimensional multiple quantum (MQ) MAS NMR experiments have become popular due to the wide applicability of this technique to structural questions in materials science, the abundance of half-integer spin nuclei in the periodic table, and the ease of implementation on typical solid state NMR instruments. In spite of the high-resolution theoretically possible from such experiments, the homogeneous and inhomogeneous broadening factors inherent in many samples of interest can make spectral analysis challenging. We present several possible spectral shearing schemes that may be useful for spectral analysis, and in particular we introduce shearing in the directly detected dimension. We suggest that for amorphous or disordered samples that give broad spectral features, shearing may be used as a general tool for optimal positioning of these features relative to one another and for the characterization of isotropic chemical and quadrupolar shifts.
@techreport{Gehman2009,
title = {Generalized biaxial shearing of {MQMAS} {NMR} spectra},
abstract = {Two dimensional multiple quantum (MQ) MAS NMR experiments have become popular due to the wide applicability of this technique to structural questions in materials science, the abundance of half-integer spin nuclei in the periodic table, and the ease of implementation on typical solid state NMR instruments. In spite of the high-resolution theoretically possible from such experiments, the homogeneous and inhomogeneous broadening factors inherent in many samples of interest can make spectral analysis challenging. We present several possible spectral shearing schemes that may be useful for spectral analysis, and in particular we introduce shearing in the directly detected dimension. We suggest that for amorphous or disordered samples that give broad spectral features, shearing may be used as a general tool for optimal positioning of these features relative to one another and for the characterization of isotropic chemical and quadrupolar shifts.},
author = {Gehman, John D and Provis, John L},
year = {2009},
doi = {10.1016/j.jmr.2009.06.016},
note = {Publication Title: Journal of Magnetic Resonance
Volume: 200
Issue: 1
ISSN: 10907807},
keywords = {\#nosource},
pages = {167--172},
}
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