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Proceedings Paper

Injecting, controlling, and storing magnetic domain walls in ferromagnetic nanowires
Author(s): Andrew Kunz; Jonathan D. Priem; Sarah C. Reiff
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Paper Abstract

Domain walls in ferromagnetic nanowires are important for proposed devices in recording, logic, and sensing. The realization of such devices depends in part on the ability to quickly and accurately control the domain wall from creation until placement. Using micromagnetic computer simulation we demonstrate how a combination of externally applied magnetic fields is used to quickly inject, move, and accurately place multiple domain walls within a single wire for potential recording and logical operations. The use of a magnetic field component applied perpendicular to the principle domain wall driving field is found to be critical for increased speed and reliability. The effects of the transverse field on the injection and trapping of the domain wall will be shown to be of particular importance.

Paper Details

Date Published: 25 August 2010
PDF: 7 pages
Proc. SPIE 7760, Spintronics III, 776005 (25 August 2010); doi: 10.1117/12.861552
Show Author Affiliations
Andrew Kunz, Marquette Univ. (United States)
Jonathan D. Priem, Marquette Univ. (United States)
Sarah C. Reiff, Marquette Univ. (United States)
Univ. of Notre Dame (United States)


Published in SPIE Proceedings Vol. 7760:
Spintronics III
Henri-Jean M. Drouhin; Jean-Eric Wegrowe; Manijeh Razeghi, Editor(s)

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