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RESPONSE OF A SPIN-3/2 NUCLEAR QUADRUPOLE RESONANCE SYSTEM TO COMB-PULSE TRAIN FOR POWDERED SAMPLES
Author(s) -
李鲠颖
Publication year - 1996
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.45.681
Subject(s) - nuclear quadrupole resonance , nutation , pulse (music) , resonance (particle physics) , quadrupole , materials science , nuclear magnetic resonance , atomic physics , line (geometry) , physics , optics , detector , quantum mechanics , geometry , mathematics
The response of an I=3/2 nuclear quadrupole resonance(NQR) system to a comb-pulse train is calculated by means of the density matrix theory and computer simulations. The influence of the off-resonance( including inhomogeneous line broadening) upon the comb-pulse NQR powder line shape is also discussed in detail. It was found that under the condition of small off-resonance, the comb-pulse NQR spectrum is analogous to that obtained with the two-dimensional nutation NQR technique, but the time required to perform the comb-pulse experiment is nearly two orders less than that required by the latter.

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