Single particle measurement showing agreement with the model of uniform rotation

Single particle measurement showing agreement with the model of uniform rotation

The Stoner-Wohlfarth model needs some modifications in order to take account of real anisotropy of monocrystal nanoparticles. Such a modified model predicts a qualitatively new behavior for the switching of the magnetization of such a particle. We provide the first experimental evidence of such a be...

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Veröffentlicht in:IEEE transactions on magnetics 1998-07, Vol.34 (4), p.979-981
Hauptverfasser: Orozco, E.B., Wernsdorfer, W., Barbara, B., Hasselbach, K., Benoit, A., Mailly, D.
Format: Artikel
Sprache:eng
Schlagworte:
Anisotropic magnetoresistance
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Domain structure (including magnetic bubbles)
Exact sciences and technology
Extraterrestrial measurements
Magnetic field measurement
Magnetic particles
Magnetic properties and materials
Magnetic properties of surface, thin films and multilayers
Magnetic switching
Magnetization
Nanoparticles
Particle measurements
Physics
Predictive models
SQUIDs
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Beschreibung
Zusammenfassung:The Stoner-Wohlfarth model needs some modifications in order to take account of real anisotropy of monocrystal nanoparticles. Such a modified model predicts a qualitatively new behavior for the switching of the magnetization of such a particle. We provide the first experimental evidence of such a behavior.
ISSN:0018-9464
1941-0069
DOI:10.1109/20.706330