Field sweep rate dependence of media dynamic coercivity

  title={Field sweep rate dependence of media dynamic coercivity},
  author={Qingzhi Peng and H. Richter},
  journal={IEEE Transactions on Magnetics},
The dependence of the media dynamic coercivity dependence on field sweeping rate was obtained for a general case with the media energy barrier /spl Delta/E=K/sub u/V(1-H/H/sub 0/)/sup n/. The effective coercivity measurement time t/sub eff/ for a linearly sweeping field is derived. The general solution was applied to perpendicular media (n=2). The difference in perpendicular media coercivity with a step field and linearly sweeping field is calculated for various H/sub 0/ and K/sub u/V/(k/sub B… CONTINUE READING

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Magnetic viscosity and the field rate dependence of the magnetization

  • A. Lyberatos
  • J. Magn. Magn. Mater., vol. 202, pp. 239–250…
  • 1999
1 Excerpt

Sweep-rate effects on the fluctuation field in particulate media

  • M. El-Hilo, L. Folks
  • IEEE Trans. Magn., vol. 31, pp. 2895–2897, Sept…
  • 1995

Time-dependent magnetic phenomena and particle size effects in recording media

  • M. P. Sharrock
  • IEEE Trans. Magn., vol. 26, pp. 193–197, Jan…
  • 1990
1 Excerpt

Time dependence and rate dependence of the coercivity of particulate recording media

  • R. W. Chantrell, G. N. Coverdale, K. O’Grady
  • J. Phys. D, Appl. Phys., vol. 21, pp. 1469–1471…
  • 1988
1 Excerpt

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