Skyrmion stability in nanocontact spin-transfer oscillators | Zendy

C. P. Chui | Zendy; Yan Zhou | Zendy

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Skyrmion stability in nanocontact spin-transfer oscillators

Author(s) -

C. P. Chui,

Yan Zhou

Publication year - 2015

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4930904

Subject(s) - skyrmion , micromagnetics , condensed matter physics , spin (aerodynamics) , phase (matter) , microwave , magnetization , spin wave , physics , materials science , ferromagnetism , magnetic field , quantum mechanics , thermodynamics

We investigate the conditions for nanocontact spin-transfer oscillators (NC-STOs) that allow for stabilization of a skyrmion. Emphasis is made on the breathing mode, which can be regarded as a source of microwave generation. Micromagnetic simulations of NC-STOs with varying parameters have been performed, with the resulting magnetization plotted in the form of phase diagrams. It is found that control of spin wave mode in conventional STOs can be applied to skyrmion-based STOs

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