Magnetic noise as the cause of the spontaneous magnetization reversal of RE–TM–B permanent magnets

The relation between the macroscopic spontaneous magnetization reversal (magnetic viscosity) of (NdDySm)(FeCo)B alloys and the spectral characteristics of magnetic noise, which is caused by the random microscopic processes of thermally activated domain wall motion in a potential landscape with unifo...

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Veröffentlicht in:	Journal of experimental and theoretical physics 2016-08, Vol.123 (2), p.303-307
Hauptverfasser:	Dmitriev, A. I., Talantsev, A. D., Kunitsyna, E. I., Morgunov, R. B., Piskorskii, V. P., Ospennikova, O. G., Kablov, E. N.
Format:	Artikel
Sprache:	eng
Schlagworte:	ALLOYS BORON COMPOUNDS Classical and Quantum Gravitation COBALT COMPOUNDS CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Disorder DYSPROSIUM COMPOUNDS Elementary Particles IRON COMPOUNDS MAGNETIZATION Magnetization reversal NEODYMIUM COMPOUNDS NOISE Order Particle and Nuclear Physics PERMANENT MAGNETS Phase Transition in Condensed System Physics Physics and Astronomy Quantum Field Theory RARE EARTH COMPOUNDS Relativity Theory SAMARIUM COMPOUNDS Solid State Physics Spin glasses TERNARY ALLOY SYSTEMS TRANSITION ELEMENT COMPOUNDS VISCOSITY
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Beschreibung
Zusammenfassung:	The relation between the macroscopic spontaneous magnetization reversal (magnetic viscosity) of (NdDySm)(FeCo)B alloys and the spectral characteristics of magnetic noise, which is caused by the random microscopic processes of thermally activated domain wall motion in a potential landscape with uniformly distributed potential barrier heights, is found.
ISSN:	1063-7761 1090-6509
DOI:	10.1134/S106377611606011X