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Magnetic domain walls : Types, processes and applications

Autor: Venkat, G., Allwood, D. A., Hayward, T. J.

Domain walls (DWs) in magnetic nanowires are promising candidates for a variety of applications including Boolean/unconventional logic, memories, in-memory computing as well as magnetic sensors and biomagnetic implementations. They show rich physical

Externí odkaz: http://arxiv.org/abs/2305.17800

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Broadband conversion of microwaves into propagating spin waves in patterned magnetic structures

Autor: Mushenok, F. B., Dost, R., Davies, C. S., Allwood, D. A., Inkson, B. J., Hrkac, G., Kruglyak, V. V.

Publikováno v: Appl. Phys. Lett. 111, 042404 (2017)

We have used time-resolved scanning Kerr microscopy (TRSKM) and micromagnetic simulations to demonstrate that, when driven by spatially uniform microwave field, the edges of patterned magnetic samples represent both efficient and highly tunable sourc

Externí odkaz: http://arxiv.org/abs/1706.04409

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Akademický článek

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Design and Characterization of a Field-Switchable Nanomagnetic Atom Mirror

Autor: Hayward, T. J., West, A. D., Weatherill, K. J., Curran, P. J., Fry, P. W., Fundi, P. M., Gibbs, M. R. J., Schrefl, T., Adams, C. S., Hughes, I. G., Bending, S. J., Allwood, D. A.

Publikováno v: J. Appl. Phys. 108, 043906 (2010)

We present a design for a switchable nanomagnetic atom mirror formed by an array of 180{\deg} domain walls confined within Ni80Fe20 planar nanowires. A simple analytical model is developed which allows the magnetic field produced by the domain wall a

Externí odkaz: http://arxiv.org/abs/1008.1769

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Mutual phase-locking in high frequency microwave nanooscillators as function of field angle

Autor: Hrkac, G., Schrefl, T., Bance, S., Allwood, D., Goncharov, A., Dean, J., Suess, D.

We perform a qualitative analysis of phase locking in a double point-contact spinvalve system by solving the Landau-Lifshitz-Gilbert-Slonzewski equation using a hybrid-finite-element method. We show that the phase-locking behaviour depends on the app

Externí odkaz: http://arxiv.org/abs/0711.1770

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