Lattice dynamics and electronic transitions in a structurally-complex layered copper borate Cu${}_3$(BO${}_3$)${}_2$

A. D. Molchanova, M. A. Prosnikov, R. M. Dubrovin +5

Copper borate Cu${}_3$(BO${}_3$)${}_2$ is a complex compound with a layered crystallographic structure in which the Jahn-Teller active and magnetic copper Cu${}^{2+}$ ions occupy sixteen n…