Journal
PHYSICAL REVIEW LETTERS
Volume 117, Issue 17, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.117.177601
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Funding
- EPSRC [EP/J003557/1, EP/M020517/1]
- Army Research Office [W911NF-13-1-0486]
- Royal Society University Research Fellowship
- Engineering and Physical Sciences Research Council [EP/J003557/1, 1380754, EP/M020517/1] Funding Source: researchfish
- EPSRC [EP/M020517/1, EP/J003557/1] Funding Source: UKRI
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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)-BiFeO3 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 BiFeO3 film devices via epitaxial strain.
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