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Coherent Magnetoelastic Domains in Multiferroic BiFeO 3 Films

DOI: 10.1103/PhysRevLett.117.177601 DOI Help

Authors: N. Waterfield Price (Diamond Light Source; University of Oxford) , R. D. Johnson (Clarendon Laboratory, Department of Physics, University of Oxford; ISIS Facility, Rutherford Appleton Laboratory) , W. Saenrang (University of Wisconsin-Madison) , F. Maccherozzi (Diamond Light Source) , S. S. Dhesi (Diamond Light Source) , A. Bombardi (Diamond Light Source) , F. P. Chmiel (University of Oxford) , C-b. Eom (University of Wisconsin-Madison) , P. Radaelli (University of Oxford)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Physical Review Letters , VOL 117

State: Published (Approved)
Published: October 2016
Diamond Proposal Number(s): 10201

Abstract: 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.

Subject Areas: Materials, Physics


Instruments: I06-Nanoscience , I16-Materials and Magnetism

Other Facilities: ISIS Facility