Coherent multipulse sequences in nitrogen-14 NQR
β Scribed by D.Ya. Osokin
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 760 KB
- Volume
- 83
- Category
- Article
- ISSN
- 0022-2860
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π SIMILAR VOLUMES
## Abstract On the basis of the average Hamiltonian theory the influence of the pulse sequence __t__ β (Ο β __t__ β 2Ο β __t__ β Ο)__n__ on a system of two dipolar coupled equivalent spinβ1 nuclei each subject to local electric field gradients is studied. Using a fictitious spinβ1/2 formalism a gen
The general formalism of the interaction representation with respect to an operator which is its own inverse is developed and applied to pure NQR of spins I β«Ψβ¬ 3 2 . Under the assumption of no relaxation and no dipolar coupling, it is shown that the calculation of the response to pure NQR multipuls
We present a technique for the study of nuclear quadrupole resonance of "N interacting with low electric field gradients as found, for example, in amino acids. A superconducting quantum interference device (SQUID) is used to detect directly small NMR signals via cross relaxation of the 14N polarizat