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Updated: Apr 25, 2026
Formation of Thick Dense Yttrium Iron Garnet Films Using Aerosol Deposition
Published on: May 15, 2015
Damping in yttrium iron garnet nanoscale films capped by platinum
Yiyan Sun1, Houchen Chang1, Michael Kabatek1
1Department of Physics, Colorado State University, Fort Collins, Colorado 80523, USA.
Abstract:
Strong damping enhancement in nm-thick yttrium iron garnet (YIG) films due to Pt capping layers was observed. This damping is substantially larger than the expected damping due to conventional spin pumping, is accompanied by a shift in the ferromagnetic resonance field, and can be suppressed by the use of a Cu spacer in between the YIG and Pt films. The data indicate that such damping may originate from the ferromagnetic ordering in Pt atomic layers near the YIG/Pt interface and the dynamic exchange coupling between the ordered Pt spins and the spins in the YIG film.
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