Strain and Magnetic Field Induced Spin-Structure Transitions in Multiferroic BiFeO3

Abstract

The magnetic-field-dependent spin ordering of strained BiFeO3 films is determined using nuclear resonant scattering and Raman spectroscopy. The critical field required to destroy the cycloidal modulation of the Fe spins is found to be significantly lower than in the bulk, with appealing implications for field-controlled spintronic and magnonic devices.

arXiv commentWork supported by ERC Consolidator grant MINT (Contract No. 615759)

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• Tensile deformations of the magnetic chiral soliton lattice probed by Lorentz transmission electron microscopy
• Simulation of the Magnetization Dynamics of a Single Domain BiFeO${}_3$ Thin Film
• Superorders and acoustic modes folding in BiFeO${}_3$/LaFeO${}_3$ superlattices
• Patterning enhanced tetragonality in BiFeO3 thin films with effective negative pressure by helium implantation
• Peculiarities of 57-Fe NMR Spectrum in Micro- and Nanocrystalline Europium Orthoferrites
• A coupled magneto-structural continuum model for multiferroic ${\mathrm{BiFeO}}_3$
• Imaging topological defects in a non-collinear antiferromagnet
• A micromagnetic study of the switching dynamics of the BiFeO${}_3$/CoFe heterojunction
• Giant Strain Tunability in Polycrystalline Ceramic Films via Helium Implantation
• A journey into the tuneable antiferromagnetic spin textures of BiFeO3