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2009 | 115 | 1 | 390-392
Article title

Interval Computations of Ferromagnetic Resonance Conditions in Exchange-Biased Bilayers

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Abstracts
EN
The main purpose of this paper is to promote the use of interval calculus in physics. As an example we use the system consisting of two thin films, one ferromagnetic and another one antiferromagnetic, deposited one atop of the other. We successfully and accurately simulate the positions of resonance fields of such a system, as seen in ferromagnetic resonance experiment. Interval calculations have revealed the presence of 1, 2 and sometimes even 4 distinct equilibrium configurations of the system, all corresponding to the same resonance field, when the field has a component antiparallel to that of cooling field, while only 1 such position when it points in the opposite direction. In both cases only a single resonance line is observed. As an added value we show that the exchange-biased system is in the metastable state, out of true thermodynamical equilibrium.
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Contributors
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland
References
  • 1. Jing-gou Hu, Guojun Jin, R.L. Stamps, Yu-qiang Ma, J. Magn. Magn. Mater. 301, 238 (2006)
  • 2. S.L. Gnatchenko, D.N. Merenkov, A.N. Bludov, V.V. Pishko, Yu.A. Shakhayeva, M. Baran, R. Szymczak, V.A. Novosad, J. Magn. Magn. Mater. 307, 263 (2007)
  • 3. R. Żuberek, M. Gutowski, H. Szymczak, S.L. Gnatchenko, D.N. Merenkov, A.N. Bludov, Acta Phys. Pol. A 113, 167 (2008)
  • 4. J. Nogues, I.K. Schuller, J. Magn. Magn. Mater. 192, 203 (1999)
  • 5. A.E. Berkowitz, K. Takano, J. Magn. Magn. Mater. 200, 552 (1999)
  • 6. http://www.cs.utep.edu/interval-comp/
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv115n1114kz
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