Fig. 2: ST-FMR and PSD measurements. | Nature Communications

Fig. 2: ST-FMR and PSD measurements.

From: Hybrid spin Hall nano-oscillators based on ferromagnetic metal/ferrimagnetic insulator heterostructures

Fig. 2

a ST-FMR measurements of 400 nm nanowire device for a Py5/Pt5 and b LAFO20/Py5/Pt5 at 7 GHz with the applied field at an angle \(\phi\)=70o with respect to the long axis of the wire. c Kittel model fitting curves of LAFO20/Py5/Pt5 for 2 µm stripe (blue circles) device and 400 nm nanowire device. The green diamond shows fit for the peaks from bulk mode and red square for the peaks from edge mode. Maps of PSDs as a function of frequency and dc bias at a fixed magnetic field \(H\) = 0.0817 T and \(\phi\) = 70o for nanowire devices consisting of d Py5/Pt5, e LAFO4/Py5/Pt5, f LAFO10/Py5/Pt5, and g LAFO20/Py5/Pt5. The output power increases significantly for the thickest LAFO sample studied, as indicated by the color scales above each PSD map.

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