Structure and interaction of antiferromagnetic domain walls in hexagonal YMnO3 |
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Authors: | Goltsev A V Pisarev R V Lottermoser Th Fiebig M |
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Institution: | Ioffe Physical Technical Institute of the Russian Academy of Sciences, 194021 St. Petersburg, Russia. |
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Abstract: | The structure of antiferromagnetic (AFM) domain walls and their interaction with lattice strain are derived taking the multiple-order-parameter compound YMnO3 as a model example. Contrary to the conviction that AFM domain walls are energetically unfavorable, their interaction with lattice strain lowers the total energy of the system and leads to a piezomagnetic clamping of the electric and magnetic order parameters in good agreement with the available experimental data. |
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