Analysis of magnetization and a spin state crossover in the multiferroic Ca${}_3$Co${}_{2-x}$Mn${}_x$O${}_6$

R. Flint, H. -T. Yi, P. Chandra +2

Ca_3Co_{2-x}Mn_xO_6 (x ~ 0.96) is a multiferroic with spin-chains of alternating Co(2+) and Mn(4+) ions. The spin state of Co(2+) remains unresolved, due to a discrepancy between h…