Two-magnon Raman scattering from the Cu3O4 layers in (Sr,Ba)2Cu3O4Cl2

J. Holmlund, C. S. Knee, J. Andreasson +3

(Sr${}_2$,Ba${}_2$)Cu${}_3$O${}_4$Cl${}_2$ are antiferromagnetic insulators which are akin to the parent compounds of the cuprate superconductors but with two distinct magnetic ord…