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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Scanning NV magnetometry reveals magnetic textures in 2D material CrBr3 in cryogenic environment

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Applying scanning NV magnetometry to cryogenic temperatures allowed Professor Wrachtrup and his collaborators to reveal magnetic domains and study their dynamics in atomically thin van der Waals magnets.

Characterization of room-temperature in-plane magnetization in thin flakes of CrTe2 with a single spin magnetometer

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Using Qnami QuantileverMX probes, the team led by Vincent Jacques identifies the only “van der Waals” material known to date where magnetic order occurs in a few atomic layers even at room temperature 

Spatial Resolution in Scanning NV Magnetometry – Technical Note

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This technical note explains how spatial resolution is defined in Scanning NV Magnetometry. For a given distance d between the NV center and the scanned surface, the best achievable lateral spatial resolution is 0.86 d.

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