Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2008-03-11
Ukrainian Journal of Physics, v.53, N 3, p. 261, (2008)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
The paper(12 pages, 7 figures). For additional information see http://ujp.bitp.kiev.ua/
Scientific paper
The effect of a measurement time duration on the parameters of magnetization curves for an ensemble of identical noninteracting single-domain particles with equally oriented axes under the uniaxial anisotropy has been specifed for different experiment modes, in particular for the cases of relaxation measurements and the continuous sweep of a static magnetic field. The relation between a blocking temperature and experiment characteristics has been found for these modes. A recursion method to calculate the magnetization reversal curves for such an ensemble of particles is proposed. By comparing the results of calculations of the magnetic properties by the recursion and Monte-Carlo methods, an algorithm to establish the relation between the equivalent measurement time and such parameters of the Monte-Carlo method as the number of steps and the value of aperture is suggested.
Ryabchenko S. M.
Timopheev A. A.
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