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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Qnami Foundry supports design of a Diamond micro-chip for quantum microscopy

Led by Mark Ku at the University of Delaware, this work characterizes a high-quality diamond micro-chip from the Qnami Quantum Foundry for advanced, high-resolution NV-based quantum microscopy.

Nanoconfined Microwaves imaged by Rabi Oscillation Mapping

Swastik Kar’s group at Northeastern University used AC magnetometry on the Qnami ProteusQ to show that a permalloy nanowire can be used to concentrate RF fields into sub 300nm regions.

Current Flow Mapping in Ferroelectric Domain Walls

In a recent study on conducting ferroelectric domain walls, researchers used scanning NV magnetometry to directly visualize current flow at the nanoscale. These measurements were performed using the Qnami ProteusQ. The results challenge previous assumptions about current distribution and pave the way for more accurate modeling of next-generation memristive devices.

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