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Title: Magnetic skyrmion bubble motion driven by surface acoustic waves

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.5013620· OSTI ID:1426481

Here, we study the dynamical control of a magnetic skyrmion bubble by using counter-propagating surface acoustic waves (SAWs) in a ferromagnet. First, we determine the bubble mass and derive the force due to SAWs acting on a magnetic bubble using Thiele’s method. The force that pushes the bubble is proportional to the strain gradient for the major strain component. We then study the dynamical pinning and motion of magnetic bubbles by SAWs in a nanowire. In a disk geometry, we propose a SAWs-driven skyrmion bubble oscillator with two resonant frequencies.

Research Organization:
Univ. of Nebraska, Lincoln, NE (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0014189
OSTI ID:
1426481
Alternate ID(s):
OSTI ID: 1426345
Journal Information:
Applied Physics Letters, Vol. 112, Issue 11; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 31 works
Citation information provided by
Web of Science

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Cited By (5)

Magnetic skyrmion field-effect transistors journal August 2019
Shape of a skyrmion journal February 2019
Skyrmions and Antiskyrmions in Quasi-Two-Dimensional Magnets journal September 2018
Skyrmions and antiskyrmions in quasi-two-dimensional magnets text January 2018
Magnetic Skyrmion Field-Effect Transistors text January 2019

Figures / Tables (4)


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