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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Antiferromagnetic bits measured with Scanning NV magnetometry

Denys Makarov's team at HZDR, together with the Qnami Application lab, demonstrated a method for creating binary states in antiferromagnetic materials.

A tool for NV diamond plate characterization with 10nm resolution

Sergei Trofimov and Boris Naydenov from the Helmholtz Center in Berlin used Qnami Quantum Foundry diamond plates to achieve nanoscale quantum sensing with 13 nm resolution by combining confocal and atomic-force microscopy techniques.

Optimizing Off-Axis Fields for Vector Magnetometry

Paul Stevenson’s research at Northeastern University utilized the Qnami ProteusQ microscope to enhance vector magnetometry, allowing precise measurement of both parallel and perpendicular stray fields in complex materials like bismuth ferrite.

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