Foldover in YIG

DOI PDF 被引用文献1件
  • D. J. Seagle
    Department of Electrical and Computer Engineering, Carnegie-Mellon University, Pittsburgh, Pennsylvania 15213
  • S. H. Charap
    Department of Electrical and Computer Engineering, Carnegie-Mellon University, Pittsburgh, Pennsylvania 15213
  • J. O. Artman
    Department of Electrical and Computer Engineering, Carnegie-Mellon University, Pittsburgh, Pennsylvania 15213

書誌事項

公開日
1985-04-15
DOI
  • 10.1063/1.334997
公開者
AIP Publishing

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説明

<jats:p>We have observed distinct and repeatable FMR foldover effects in specimens of pure YIG at modest microwave power levels (1–10 dBm). Our samples were small disks (8.5 μm thick, 300 μm diameter) fabricated by photolithography from a YIG film deposited by LPE on a GGG substrate. The effect was observed at GHz frequencies using a microstrip transmission line and was also detected using X-band cavity and waveguide systems. We demonstrate that the effects that we have seen are not thermal or spin-wave-type foldover but are related to the disk shape anisotropy. In addition to observing foldover in the uniform precession mode, we have also seen foldover in the excitable magnetostatic modes associated with the disk geometry.</jats:p>

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