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Title: Spin wave scattering and interference in ferromagnetic cross

Magnetostatic spin wave scattering and interference across a CoTaZr ferromagnetic spin wave waveguide cross junction were investigated experimentally and by micromagnetic simulations. It is observed that the phase of the scattered waves is dependent on the wavelength, geometry of the junction, and scattering direction. It is found that destructive and constructive interference of the spin waves generates switching characteristics modulated by the input phase of the spin waves. Micromagnetic simulations are used to analyze experimental data and simulate the spin wave scattering and interference.
Authors:
;  [1] ;  [2] ;  [3]
  1. Department of Physics and Astronomy, Georgia State University, Atlanta, Georgia 30303 (United States)
  2. (United States)
  3. Exploratory Research Device and Integration, GLOBALFOUNDRIES, Albany, New York 12203 (United States)
Publication Date:
OSTI Identifier:
22492849
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Applied Physics; Journal Volume: 118; Journal Issue: 16; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; FERROMAGNETIC MATERIALS; SCATTERING; SIMULATION; SPIN WAVES; WAVEGUIDES; WAVELENGTHS