Abstract
Topography and domain structures of Bi-substituted iron garnet films proposed for magnetoplasmonic applications are presented. Investigations were carried out by scanning probe microscopy methods, including polarization near-field optical microscopy. The most suitable films with less rough surface were chosen. The period of domain structure of sputtered film of composition Bi2.8Y0.2Fe5O12 were determined, 2w = 0.5 μm.
Highlights
Films of bismuth-substituted iron garnet (IG) with micro and nanoscale thicknesses were synthesized by liquid-phase epitaxy (LPE) and reactive ion beam sputtering (RIBS)
Measurements of various LPE films showed that rms could reach values less than 0.9 nm
Considerable attention was paid to minimizing the rms of samples in order to create on them plasmonic meta-surfaces perforated by nanoscale objects
Summary
Films of bismuth-substituted IG with micro and nanoscale thicknesses were synthesized by liquid-phase epitaxy (LPE) and reactive ion beam sputtering (RIBS).
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