Nonlinear harmonic spectra in bilayer van der Waals antiferromagnets CrX${}_3$

Y. Q. Liu, M. S. Si, G. P. Zhang

Bilayer antiferromagnets CrX${}_3$ (X $=$ Cl, Br, and I) are promising materials for spintronics and optoelectronics that are rooted in their peculiar electronic structures. Howeve…