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Evolution of a Magnetoresonance Line Near to a Limit of Percolation in Dilute Magnetics

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Abstract

In paper the results of numerical modeling of a magnetic resonance in dilute magnetics near to a threshold of a percolation are discussed. The classical equation of motion of magnetic moments is used in view of an exchange interaction such as RKKI and imitation of spin-phonon interaction by Monte-Carlo method. It is shown, that cluster structure of a magnetic and threshold of percolation are determined by critical distance, on which there is a change of a sign of an exchange interaction. In an examination of percolation phase transition the jump change of breadth of a line of a magnetic resonance is set, that can form the basis for experimental definition of a threshold percolation and parameters of an exchange interaction by methods of a radiospectroscopy.

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Authors and Affiliations

  1. Math and Physics Department, Belgorod State Agricultural Academy, I. Vavilov St., Maysky, Belgorod, Russia

    A. M. Zabolotskiy

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  1. A. M. Zabolotskiy
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Zabolotskiy, A.M. Evolution of a Magnetoresonance Line Near to a Limit of Percolation in Dilute Magnetics. International Journal of Infrared and Millimeter Waves 21, 1897–1907 (2000). https://doi.org/10.1023/A:1006700423241

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  • DOI: https://doi.org/10.1023/A:1006700423241

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