Fig. 3: Magnon detection. | npj Computational Materials

Fig. 3: Magnon detection.

From: Excitation and detection of coherent sub-terahertz magnons in ferromagnetic and antiferromagnetic heterostructures

Fig. 3

a Spatiotemporal profile of the total charge current density \(J_x^{{{\mathrm{c}}}}\) in the 7-nm-thick Pt. b Temporal profile of the emitted electric-field component Ex(t) at 5 nm above the Pt top surface within t = 0–200 ps and c its frequency spectrum. d Evolution of the emitted electric field vector E(t) within t = 0–15 ps, showing a circular polarization.

Back to article page