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Spin Torque-Generated Magnetic Droplet Solitons
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2013 (English)In: Science, ISSN 0036-8075, E-ISSN 1095-9203, Vol. 339, no 6125, p. 1295-1298Article in journal (Refereed) Published
Abstract [en]

Dissipative solitons have been reported in a wide range of nonlinear systems, but the observation of their magnetic analog has been experimentally challenging. Using spin transfer torque underneath a nanocontact on a magnetic thin film with perpendicular magnetic anisotropy (PMA), we have observed the generation of dissipative magnetic droplet solitons and report on their rich dynamical properties. Micromagnetic simulations identify a wide range of automodulation frequencies, including droplet oscillatory motion, droplet “spinning,” and droplet “breather” states. The droplet can be controlled by using both current and magnetic fields and is expected to have applications in spintronics, magnonics, and PMA-based domain-wall devices.

Place, publisher, year, edition, pages
2013. Vol. 339, no 6125, p. 1295-1298
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-217990DOI: 10.1126/science.1230155OAI: oai:DiVA.org:uu-217990DiVA, id: diva2:694489
Available from: 2014-02-06 Created: 2014-02-06 Last updated: 2017-12-06

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Publisher's full texthttp://www.sciencemag.org/cgi/doi/10.1126/science.1230155

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Pogoryelov, Ye.

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