Heat switch effect in an antiferromagnetic insulator Co${}_3$V${}_2$O${}_8$

X. Zhao, J. C. Wu, Z. Y. Zhao +6

We report a heat switch effect in single crystals of an antiferromagnet Co${}_3$V${}_2$O${}_8$, that is, the thermal conductivity ($\kappa$) can be changed with magnetic field in an extremely…