Fig. 1: Lattice structure and directional dichroism. | npj Quantum Materials

Fig. 1: Lattice structure and directional dichroism.

From: Confirming the trilinear form of the optical magnetoelectric effect in the polar honeycomb antiferromagnet Co2Mo3O8

Fig. 1: Lattice structure and directional dichroism.

a Crystallographic structure of Co2Mo3O8, with ferroelectric polarization P along the c-axis. The magnetic Co2+ ions are located in both tetrahedral (blue) and octahedral (green) oxygen coordination. The antiferromagnetic spin arrangement is indicated by the arrows. b A magnetization M is induced for magnetic field H⊥c by a canting of the spins. (c) Illustration of the triple product k ⋅ (P × M) configurations leading to directional dichroism.

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