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Finite-Temperature Simulations for Magnetic Nanostructures

  • M. A. Novotny
  • D. T. Robb
  • S. M. Stinnett
  • G. Brown
  • P. A. Rikvold
Part of the Springer Series in Materials Science book series (SSMATERIALS, volume 94)

Summary

We examine different models and methods for studying finite-temperature magnetic hysteresis in nanoparticles and ultra-thin films. This includes micromagnetic results for the hysteresis of a single magnetic nanoparticle which is misaligned with respect to the magnetic field. We present results from both a representation of the particle as a one-dimensional array of magnetic rotors, and from full micromagnetic simulations. The results are compared with the Stoner-Wohlfarth model. Results of kinetic Monte Carlo simulations of ultra-thin films are also presented. In addition, we discuss other topics of current interest in the modeling of magnetic hysteresis in nanostructures, including kinetic Monte Carlo simulations of dynamic phase transitions and First-Order Reversal Curves.

Keywords

Hysteresis Loop Ising Model Easy Axis Fast Multipole Method Dynamic Phase Transition 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • M. A. Novotny
    • 1
    • 2
  • D. T. Robb
    • 1
    • 2
    • 3
  • S. M. Stinnett
    • 1
    • 2
    • 4
  • G. Brown
    • 3
    • 5
  • P. A. Rikvold
    • 3
    • 6
    • 7
  1. 1.Center for Computational SciencesMississippi State UniversityMississippi StateUSA
  2. 2.Department of Physics and AstronomyMississippi State UniversityMississippi StateUSA
  3. 3.School of Computational ScienceFlorida State UniversityTallahasseeUSA
  4. 4.Department of PhysicsMcNeese State UniversityLake Charles
  5. 5.Oak Ridge National LaboratoryCenter for Computational SciencesOak RidgeUSA
  6. 6.Center for Materials Research and TechnologyFlorida State UniversityTallahasseeUSA
  7. 7.Department of PhysicsFlorida State UniversityTallahasseeUSA

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