Fig. 2 ST-FMR measurements.

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1 Fig. 2 ST-FMR measurements.
ST-FMR measurements. (A) Resonance frequency versus IP field (blue dots) with a Kittel fit (red line) yielding an effective magnetization μ0Meff=μ0(Ms−Hk⊥) of 0.31 T. Inset: Illustration of the ST-FMR measurement on a microstrip with dimensions of 6 μm by 18 μm. (B) Extracted linewidth (HWHM) versus resonance frequency yielding a Gilbert damping constant of α =  Inset: Current-dependent ST-FMR linewidth for both positive (blue squares) and negative (red dots) field directions yielding an SHA of −0.41. H. Fulara et al. Sci Adv 2019;5:eaax8467 Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution License 4.0 (CC BY).


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