Time-dependent absorption of gamma-radiation under high-frequency magnetic excitation of 57Fe |
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| Authors: | M Lippmaa I Tittonen J Lindén T Katila |
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| Institution: | (1) Department of Technical Physics, Helsinki University of Technology, FIN-02150, Finland;(2) Research Institute for Theoretical Physics, University of Helsinki, P. O. Box 9, FIN-00014, Finland |
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| Abstract: | Summary We have studied the time dependence of M?ssbauer absorption in a magnetically soft sample of Fe18Ni82 permalloy under the influence of a radio-frequency (r.f.) magnetic field. Absorption was measured as a function of the r.f.
field phase at specific gamma-ray energies. We have shown that measuring the time dependence of absorption makes it possible
to differentiate between purely magnetic and magnetoacoustic modulation mechanisms even in cases where clear distinction is
not visible in conventional energy domain spectra.
Paper presented at ICAME-95, Rimini, 10–16 September 1995. |
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| Keywords: | M?ssbauer effect other ψ -ray spectroscopy |
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