Effect of the Polarization of Isolated Three-Spin Groups on the Free Induction Decay and Solid Echo of Nuclear Magnetic Resonance

The kinetic equation for the NMR spectra of solids containing isolated three-spin groups with arbitrary dipole–dipole interaction constants was derived. Analytical expressions for signals of free induction decay and solid echo for a system of three dipole-coupled spins were obtained from the equatio...

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Bibliographic Details
Published in:Russian journal of physical chemistry. B 2020-03, Vol.14 (2), p.290-297
Main Authors: Kulagina, T. P., Karnaukh, G. E., Golubeva, I. Yu
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Decay
Dipole interactions
Electrical and Magnetic Properties of Materials
Kinetic equations
Mathematical analysis
NMR
Nuclear magnetic resonance
Physical Chemistry
Polarization (spin alignment)
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Description
Summary:The kinetic equation for the NMR spectra of solids containing isolated three-spin groups with arbitrary dipole–dipole interaction constants was derived. Analytical expressions for signals of free induction decay and solid echo for a system of three dipole-coupled spins were obtained from the equation for the density matrix.
ISSN:1990-7931
1990-7923
DOI:10.1134/S1990793120020244