Fig. 6: AFM magnon detection. | npj Computational Materials

Fig. 6: AFM magnon detection.

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

Fig. 6

a Spatiotemporal profile of the total charge current density \(J_x^{{{\mathrm{c}}}}\) in both 15-nm-thick FeMn and 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 = 0–300 ps and c its frequency spectrum. d Evolution of the emitted electric field vector E(t) within t = 0–50 ps, showing a linear polarization.

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