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Field-tunable stochasticity in the magnetization reversal of a cylindrical nanomagnet

Mukhopadhyay, Soumik and Singh, Amrita and Ghosh, Arindam (2010) Field-tunable stochasticity in the magnetization reversal of a cylindrical nanomagnet. In: Physical Review B: Condensed Matter and Materials Physics, 82 (17).

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Official URL: http://prb.aps.org/abstract/PRB/v82/i17/e172404

Abstract

The nature of magnetization reversal in an isolated cylindrical nanomagnet has been studied employing time-resolved magnetoresistance measurement. We find that the reversal mode is highly stochastic, occurring either by multimode or single-step switching. Intriguingly, the stochasticity was found to depend on the alignment of the driving magnetic field to the long axis of the nanowires, where predominantly multimode switching gives way to single-step switching behavior as the field direction is rotated from parallel to transverse with respect to the nanowire axis.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to The American Physical Society.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 13 Dec 2010 10:33
Last Modified: 13 Dec 2010 10:33
URI: http://eprints.iisc.ernet.in/id/eprint/34444

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