Science Advances

Supplementary Materials

This PDF file includes:

  • section S1. Nonreciprocal ratios of surface spin wave mode with in-plane fields
  • section S2. Nonreciprocity ratios from spin wave amplitudes in the time domain
  • section S3. Nonreciprocity from spin wave intensity in the frequency domain
  • section S4. Anisotropic magnetoresistance measurements
  • section S5. VSM measurements
  • section S6. Simulations: Out-of-plane hysteresis and nonreciprocity
  • section S7. Antenna–spin wave coupling
  • section S8. Spin wave amplitude–dependent damping
  • section S9. Ta on the top of the Py layer
  • section S10. Dependence of nonreciprocity on different directions of field sweep
  • section S11. Dependence of nonreciprocity on the sign of the wave vector
  • section S12. Effect of antenna-to-antenna distance on nonreciprocity
  • fig. S1. Nonreciprocal spin wave emission in MSSW mode.
  • fig. S2. Nonreciprocity ratios in the time domain.
  • fig. S3. FFT of spin wave signals.
  • fig. S4. AMR measurements.
  • fig. S5. VSM measurements.
  • fig. S6. Out-of-plane hysteresis and nonreciprocity from simulations.
  • fig. S7. Spatial and temporal magnetization excited by the antenna.
  • fig. S8. Ta thickness dependence of spin wave resonance frequencies.
  • fig. S9. Nonreciprocity in devices with an Ta overlayer.
  • fig. S10. Nonreciprocity from different directions of field sweep.
  • fig. S11. Nonreciprocity from opposite signs of the wave vector.
  • fig. S12. Spin wave packets in devices with a longer antenna-to-antenna distance (20 μm).
  • References (5658)

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