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Linear dynamics of a magnetic subsystem in a quasi-Ising magnet

  • Condensed Matter
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Abstract

Microwave absorption at frequencies from 37 to 85 GHz was studied for a Dy0.3Y2.7Fe5O12 single crystal in pulsed magnetic fields of up to 30 T at T=4.2 K. The magnetic field was aligned with the [100] direction. For the fields above 4 T, several soft magnetic-resonance modes were observed, most of them being caused by the static phase transitions induced by a strong external magnetic field. The field-independent absorption lines away from the points of phase transition may be due to the dynamic Jahn-Teller magnetic effect.

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Authors and Affiliations

  1. Institute of Molecular Physics, Russian Research Centre Kurchatov Institute, pl. Kurchatova 1, Moscow, 123182, Russia

    A. S. Lagutin & G. E. Fedorov

Authors
  1. A. S. Lagutin
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  2. G. E. Fedorov
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Translated from Pis’ma v Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 71, No. 5, 2000, pp. 290–293.

Original Russian Text Copyright © 2000 by Lagutin, Fedorov.

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Lagutin, A.S., Fedorov, G.E. Linear dynamics of a magnetic subsystem in a quasi-Ising magnet. Jetp Lett. 71, 198–200 (2000). https://doi.org/10.1134/1.568314

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  • DOI: https://doi.org/10.1134/1.568314

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