Effect of intergranular exchange coupling on transition irregularity in coupled granular/continuous perpendicular media

Recent simulations of coupled granular/continuous (CGC) perpendicular media are reviewed, and mechanisms previously shown to reduce bit transition irregularity are clarified using a three-dimensional micromagnetic model that includes a simple representation of grain shape irregularity. Increasing in...

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Veröffentlicht in:	IEEE transactions on magnetics 2003-03, Vol.39 (2), p.685-690
Hauptverfasser:	Goodman, A.M., Muraoka, H., Greaves, S.J., Miura, K., Sonobe, Y., Nakamura, Y.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Couplings Elementary particle exchange interactions Exact sciences and technology Irregularities Joining Magnetic anisotropy Magnetic properties and materials Magnetic recording materials Magnetism Magnetostatics Media Micromagnetics Noise reduction Perpendicular magnetic anisotropy Perpendicular magnetic recording Physics Recording Representations Signal to noise ratio Simulation Studies of specific magnetic materials Switching Thermal stability
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