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Solid Echo in the Slow-Motion Region. Effects of the Finite Pulse Widths

✍ Scribed by P. Bilski; N.A. Sergeev; J. Wąsicki


Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
263 KB
Volume
22
Category
Article
ISSN
0926-2040

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✦ Synopsis


The effects of nonzero radio-frequency pulse widths on the echo signals in solids with molecular motions have been investigated. It has been shown that in the slow-motion region a time position and an amplitude of the echo signal depend not only on the width of the pulse, but also on the shape of potential wells and the correlation time, describing the molecular motion. A comparison of the developed theory with experimental results obtained for polycrystalline NH4Cl demonstrates a good agreement between them.


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