Coherent Magnetoelastic Domains in Multiferroic BiFeO_{3} Films.
The physical properties of epitaxial films can fundamentally differ from those of bulk single crystals even above the critical thickness. By a combination of nonresonant x-ray magnetic scattering, neutron diffraction and vector-mapped x-ray magnetic linear dichroism photoemission electron microscopy, we show that epitaxial (111)-BiFeO_{3} films support submicron antiferromagnetic domains, which are magnetoelastically coupled to a coherent crystallographic monoclinic twin structure. This unique texture, which is absent in bulk single crystals, should enable control of magnetism in BiFeO_{3} film devices via epitaxial strain.
Clarendon Laboratory, Department of Physics, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom.|Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom.
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Waterfield Price
Clarendon Laboratory, Department of Physics, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom.|ISIS Facility, Rutherford Appleton Laboratory, Chilton, Didcot OX11 0QX, United Kingdom.
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Johnson
Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA.
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Saenrang
Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom.
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Maccherozzi
Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom.
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Dhesi
Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom.
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Bombardi
Clarendon Laboratory, Department of Physics, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom.
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Chmiel
Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA.
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Clarendon Laboratory, Department of Physics, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom.
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Radaelli