A contribution to the theory of multiple-pulse narrowing of NQR lines

N. E. Ainbinder; G. A. Volgina; A. N. Osipenko; G. B. Furman; I. G. Shaposhnikov

doi:10.1016/0022-2860(83)85098-4

A contribution to the theory of multiple-pulse narrowing of NQR lines

N. E. Ainbinder, G. A. Volgina, A. N. Osipenko, G. B. Furman, I. G. Shaposhnikov

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3 Scopus citations

Abstract

A theory of the high resolution NQR spectroscopy experiments is developed in the framework of an average Hamiltonian approach analogous to that used in the theory of the NMR line pulse narrowing in solids. A specially constructed unitary operator is found making it possible to treat r. f. excitation of spin systems with nonequidistant spectra, spin and EFG asymmetry parameter being arbitrary. Time averaging is used to get an average Hamiltonian appropriate to dealing with arbitrary periodic multiple-pulse sequences. Relations between the sequence parameters are found ensuring realization of the averaging above mentioned in different cases of interest. The theoretical results obtained are consistent with available data on NQR multiple-pulse experiments.

Original language	English
Pages (from-to)	65-70
Number of pages	6
Journal	Journal of Molecular Structure
Volume	111
Issue number	C
DOIs	https://doi.org/10.1016/0022-2860(83)85098-4
State	Published - 1 Jan 1983
Externally published	Yes

ASJC Scopus subject areas

Analytical Chemistry
Spectroscopy
Organic Chemistry
Inorganic Chemistry

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title = "A contribution to the theory of multiple-pulse narrowing of NQR lines",

abstract = "A theory of the high resolution NQR spectroscopy experiments is developed in the framework of an average Hamiltonian approach analogous to that used in the theory of the NMR line pulse narrowing in solids. A specially constructed unitary operator is found making it possible to treat r. f. excitation of spin systems with nonequidistant spectra, spin and EFG asymmetry parameter being arbitrary. Time averaging is used to get an average Hamiltonian appropriate to dealing with arbitrary periodic multiple-pulse sequences. Relations between the sequence parameters are found ensuring realization of the averaging above mentioned in different cases of interest. The theoretical results obtained are consistent with available data on NQR multiple-pulse experiments.",

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T1 - A contribution to the theory of multiple-pulse narrowing of NQR lines

AU - Ainbinder, N. E.

AU - Volgina, G. A.

AU - Osipenko, A. N.

AU - Furman, G. B.

AU - Shaposhnikov, I. G.

PY - 1983/1/1

Y1 - 1983/1/1

N2 - A theory of the high resolution NQR spectroscopy experiments is developed in the framework of an average Hamiltonian approach analogous to that used in the theory of the NMR line pulse narrowing in solids. A specially constructed unitary operator is found making it possible to treat r. f. excitation of spin systems with nonequidistant spectra, spin and EFG asymmetry parameter being arbitrary. Time averaging is used to get an average Hamiltonian appropriate to dealing with arbitrary periodic multiple-pulse sequences. Relations between the sequence parameters are found ensuring realization of the averaging above mentioned in different cases of interest. The theoretical results obtained are consistent with available data on NQR multiple-pulse experiments.

AB - A theory of the high resolution NQR spectroscopy experiments is developed in the framework of an average Hamiltonian approach analogous to that used in the theory of the NMR line pulse narrowing in solids. A specially constructed unitary operator is found making it possible to treat r. f. excitation of spin systems with nonequidistant spectra, spin and EFG asymmetry parameter being arbitrary. Time averaging is used to get an average Hamiltonian appropriate to dealing with arbitrary periodic multiple-pulse sequences. Relations between the sequence parameters are found ensuring realization of the averaging above mentioned in different cases of interest. The theoretical results obtained are consistent with available data on NQR multiple-pulse experiments.

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JO - Journal of Molecular Structure

JF - Journal of Molecular Structure

IS - C

ER -

A contribution to the theory of multiple-pulse narrowing of NQR lines

Abstract

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