Scaling and labeling the high-resolution isotropic axis of two-dimensional multiple-quantum magic-angle-spinning spectra of half-integer quadrupole spins

1998 ◽  
Vol 58 (5) ◽  
pp. 2764-2782 ◽  
Author(s):  
Pascal P. Man
Keyword(s):  
High Resolution ◽  
Magic Angle Spinning ◽  
Magic Angle ◽  
Multiple Quantum ◽  
Two Dimensional ◽  
Half Integer ◽  
Angle Spinning ◽  
Isotropic Axis

High-resolution oxygen-17 NMR spectroscopy of solids by multiple-quantum magic-angle-spinning

1997 ◽  
Vol 277 (1-3) ◽  
pp. 79-83 ◽  
Author(s):  
Gang Wu ◽  
David Rovnyak ◽  
Philip C. Huang ◽  
Robert G. Griffin
Keyword(s):  
Nmr Spectroscopy ◽  
High Resolution ◽  
Magic Angle Spinning ◽  
Magic Angle ◽  
Multiple Quantum ◽  
Angle Spinning

A Comparison of Strategies for Obtaining High-Resolution NMR Spectra of Quadrupolar Nuclei

1996 ◽  
Vol 51 (5-6) ◽  
pp. 321-329 ◽  
Author(s):  
R. E. Youngman ◽  
U. Werner-Zwanziger ◽  
J. W. Zwanziger
Keyword(s):  
High Resolution ◽  
Nmr Spectra ◽  
Magic Angle Spinning ◽  
Magic Angle ◽  
Quadrupolar Nuclei ◽  
Multiple Quantum ◽  
Oxide Glasses ◽  
High Resolution Nmr ◽  
Angle Spinning ◽  
Nmr Methods

Abstract A comparison of high-resolution NMR methods for quadrupolar nuclei is presented. The samples studied are pure and modified boron oxide glasses, and the boron NMR spectra are recorded using three different experiments capable of high resolution: Double Rotation, Dynamic Angle Spinning, and Multiple-Quantum Magic Angle Spinning. Resolution of the similar ring and nonring boron sites in these glasses, in the presence of disorder, provides a realistic study of the strengths and limitations of these experiments. Conclusions about the relative applicability of these experiments in different situations are presented.

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