Fast Magnetization Switching With Circularly Polarized Fields and Short Pulses

Fast Magnetization Switching With Circularly Polarized Fields and Short Pulses

In this paper, we study the magnetization reversal process of single-domain Stoner-Wohlfarth particles subject to circularly polarized fields and short pulses using analytical and numerical models. We investigate the effect of short unipolar, bipolar field, and circularly polarized field pulses, whi...

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Veröffentlicht in:IEEE transactions on magnetics 2008-11, Vol.44 (11), p.3134-3136
Hauptverfasser: Scholz, W., Crawford, T.M., Parker, G.J., Clinton, T.W., Ambrose, T., Kaka, S., Batra, S.
Format: Artikel
Sprache:eng
Schlagworte:
Anisotropic magnetoresistance
Circularity
Cross-disciplinary physics: materials science
rheology
Damping
Dynamic tests
Equations
Exact sciences and technology
Fast switching
Landau-Lifshitz-Gilbert (LLG) equation
Magnetic anisotropy
Magnetic switching
Magnetism
Magnetization
Magnetization reversal
Materials science
Mathematical analysis
Mathematical models
Other topics in materials science
Perpendicular magnetic recording
Physics
Polarization
Short pulses
Switches
Switching
Torque
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Beschreibung
Zusammenfassung:In this paper, we study the magnetization reversal process of single-domain Stoner-Wohlfarth particles subject to circularly polarized fields and short pulses using analytical and numerical models. We investigate the effect of short unipolar, bipolar field, and circularly polarized field pulses, which are applied perpendicular to the uniaxial magnetocrystalline anisotropy axis, on the magnetization switching dynamics.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2008.2001600