The correlation between antiferromagnetic and ferroelectric domain structures in multiferroics has been studied. The role of magnetoelectric interactions in a formation of antiferromagnetic domain structure has been analysed. It has been shown the major physical mechanism binding antiferromagnetic domains to ferroelectrics ones is inhomogeneous flexomagnetoelectric interaction of the Pz((lgrad)lz-lz(divl)) type. The dependences illustrating rearrangement of antiferromagnetic domain pattern together with change of ferroelectric domains thickness has been performed.
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