Three-spin systems in rotating solids and the X approximation
β Scribed by Robin Challoner; Charles A McDowell
- Publisher
- Elsevier Science
- Year
- 1992
- Weight
- 735 KB
- Volume
- 98
- Category
- Article
- ISSN
- 0022-2364
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π SIMILAR VOLUMES
Forbidden transitions between singlet and triplet nuclear spin states in chemically equivalent spin-l /2 pair systems were observed in the "P cross-polarization magic-angle spinning (CPMAS) nuclear magnetic resonance (NMR) spectrum of 1,2-bis(2,4,6tri-tert-butylphenyl)diphosphene (TBPDP). The fine s
A direct density matrix treatment of the relaxation processes in dilute paramagnetic solids at high temperature is performed. Using the Βͺdressed stateΒΊ formalism, the theory is developed differently from the one often referred to as the ΒͺRedfield TheoryΒΊ, which uses the concepts of correlation funct
## Abstract Proton NMR relaxation measurements have been carried out in the mixed system of antiferroelectric (AFE) betaine phosphate (BP) and ferroelectric (FE) glycine phosphite (GPI), BP~__x__~GPI~(1β__x__)~, at 11.4 and 23.3 MHz from 300 to 100 K for __x__ = 0.3, 0.4, 0.5, 0.6, 0.7 and 0.8. The