Magnetic droplet nucleation boundary in orthogonal spin-torque nano-oscillators

Sunjae Chung; Anders Eklund; Ezio Iacocca; Seyed Majid Mohseni; Sohrab R. Sani; Lake Bookman; Mark A. Hoefer; Randy K. Dumas; Johan Åkerman

doi:10.1038/ncomms11209

Nature Communications (Apr 2016)

Magnetic droplet nucleation boundary in orthogonal spin-torque nano-oscillators

Sunjae Chung,
Anders Eklund,
Ezio Iacocca,
Seyed Majid Mohseni,
Sohrab R. Sani,
Lake Bookman,
Mark A. Hoefer,
Randy K. Dumas,
Johan Åkerman

Affiliations

Sunjae Chung: Department of Physics, University of Gothenburg
Anders Eklund: Integrated Devices and Circuits, School of ICT, KTH-Royal Institute of Technology
Ezio Iacocca: Department of Physics, University of Gothenburg
Seyed Majid Mohseni: Department of Physics, Shahid Beheshti University
Sohrab R. Sani: Materials and Nano Physics, School of ICT, KTH-Royal Institute of Technology
Lake Bookman: Department of Mathematics, Yale University, New Haven
Mark A. Hoefer: Department of Physics, Shahid Beheshti University
Randy K. Dumas: Department of Physics, University of Gothenburg
Johan Åkerman: Department of Physics, University of Gothenburg

DOI: https://doi.org/10.1038/ncomms11209
Journal volume & issue: Vol. 7, no. 1
pp. 1 – 8

Abstract

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Magnetic droplets occur in nanocontact spin-torque oscillators with perpendicular anisotropy, forming part of a family of particle-like magnetic objects, which may be excited for high-frequency applications. Here, the authors determine a current–field phase diagram for magnetic droplet nucleation.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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