Three-pulse spin echo signals from quadrupolar nuclei in magnetic materials

The time evolutions of the three-pulse spin echo signals from quadrupolar nuclei 63Cu and 53Cr in ferromagnetic CuCr 2S 4:Sb have been investigated at the temperature T=77 K. The experimental results were well explained by the developed theory of the time evolutions of the three-pulse echoes. The ma...

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Bibliographic Details
Published in:Solid state nuclear magnetic resonance 2010-02, Vol.37 (1), p.28-32
Main Authors: Polulyakh, S.N., Sergeev, N.A., Gorbovanov, A.I., Berzhansky, V.N.
Format: Article
Language:English
Subjects:
CuCr 2S 4
Echo surveys
Evolution
Ferromagnetism
Fluctuation
Magnetization
NMR in ferromagnets
Nuclear magnetic relaxation
Quadrupole interaction
Solid state
Temporal logic
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Summary:The time evolutions of the three-pulse spin echo signals from quadrupolar nuclei 63Cu and 53Cr in ferromagnetic CuCr 2S 4:Sb have been investigated at the temperature T=77 K. The experimental results were well explained by the developed theory of the time evolutions of the three-pulse echoes. The main assumption of this theory is the assumption that the temporal fluctuations in the electron magnetization lead to the fluctuations in the hyperfine and quadrupole interaction Hamiltonians.
ISSN:0926-2040
1527-3326
DOI:10.1016/j.ssnmr.2010.01.002