Multiferroic antiferromagnet

Strain dependent magnetic textures on striped ferroelectric domains

Antiferromagnetic thin films are currently generating considerable excitement for low dissipation magnonics and spintronics. However, while tuneable antiferromagnetic textures form the backbone of functional devices, they are virtually unknown at the submicron scale. Here the team led by V. Garcia report the direct observation of a wide variety of antiferromagnetic spin textures in multiferroic BiFeO3 thin films that can be tuned by strain and manipulated by electric fields through room-temperature magnetoelectric coupling. 

Find out more about the work here: https://doi.org/10.1038/s41563-019-0516-z

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Exotic antiferromagnetic spin cycloids in bismuth ferrite thin films

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Scanning NV Magnetometry unlocks the characterization of the effects of strain and electrical fields on exotic antiferromagnetic spin textures in multiferroics.

Measure electrical current with Scanning NV Magnetometry

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Scanning NV Magnetometry reveals nanoscopic weak magnetic inhomogeneities in nanowires never observed before by standard characterization tools.

Long decay length of magnon-polarons in multiferroic/ ferromagnetic heterostructures

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Scanning NV Magnetometry reveals nanoscopic weak magnetic inhomogeneities in nanowires never observed before by standard characterization tools.

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