Physics of the Solid State

, Volume 47, Issue 12, pp 2325–2332 | Cite as

Stochastic resonance in single-domain nanoparticles with cubic anisotropy

  • Yu. P. Kalmykov
  • Yu. L. Raikher
  • W. T. Coffey
  • S. V. Titov
Low-Dimensional Systems and Surface Physics


The signal-to-noise ratio for magnetic stochastic resonance in a superparamagnetic particle with cubic anisotropy is shown to be strongly dependent on the Larmor precession damping α. This phenomenon is due to the coupling of the relaxation and precession modes and can be used for measuring α. The dependence of the signal-to-noise ratio on α is characteristic of particles with nonaxial anisotropy; so the effect is absent in uniaxial particles.


Spectroscopy Anisotropy State Physics Stochastic Resonance Superparamagnetic Particle 
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© Pleiades Publishing, Inc. 2005

Authors and Affiliations

  • Yu. P. Kalmykov
    • 1
  • Yu. L. Raikher
    • 2
  • W. T. Coffey
    • 3
  • S. V. Titov
    • 4
  1. 1.Lab. Mathématiques et Physique des SystémesUniversité de PerpignanPerpignan CedexFrance
  2. 2.Institute of Continuum Mechanics, Ural DivisionRussian Academy of SciencesPermRussia
  3. 3.Department of Electronic and Electrical EngineeringTrinity CollegeDublin 2Ireland
  4. 4.Institute of Radio Engineering and ElectronicsRussian Academy of SciencesFryazino, Moscow oblastRussia

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