Physics – Condensed Matter – Materials Science
Scientific paper
2012-04-26
Physics
Condensed Matter
Materials Science
9 pages
Scientific paper
We present the first systematic study of timing and spectral diagrams of magnetic video-pulse influence on the NMR two-pulse echo in a number of magnets (ferromagnets, ferrites, half metals, intermetals). It is shown that the timing diagrams showing the dependence of two-pulse echo intensity on the temporal location of a magnetic video-pulse in respect to radio-frequency pulses and the spectral diagrams of this influence are defined mainly by the local hyperfine field anisotropy and domain walls mobility. These diagrams could be used for the identification of the nature of NMR spectra in multidomain magnetic materials and to improve the resolution capacity of the NMR method in magnets.
Akhalkatsi A. M.
Gavasheli T. A.
Gegechkori T. O.
Gventsadze D. I.
Kutelia E. R.
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