Probing magnetism in 2D materials at the nanoscale with single-spin microscopy

Image credit: https://www.science.org/doi/10.1126/science.aav6926

Seminal Work Unlocking Nanoscale Magnetism in 2D Materials

The discovery of magnetism in two-dimensional (2D) materials has opened exciting new frontiers in condensed matter physics and spintronics. However, directly measuring magnetic properties at the nanoscale has remained a major challenge—until now.

In a seminal breakthrough, Patrick Maletinsky’s group has demonstrated how scanning nitrogen-vacancy magnetometry enables the first nanoscale imaging of magnetism in 2D materials. By applying this highly sensitive quantum sensing technique, they reveal the magnetic structure of atomically thin CrI₃, mapping individual magnetic domains with unprecedented resolution. Their findings provide key insights into the fundamental properties of 2D magnetism, including domain formation, stability, and interactions.

This pioneering work establishes Scanning NV magnetometry as a powerful new tool for exploring quantum magnetism in van der Waals materials, paving the way for future research and technological applications in nanoscale spintronics and quantum devices.

 

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Electric and antiferromagnetic chiral textures at multiferroic domain walls – Nature Materials

Electric and antiferromagnetic chiral textures at multiferroic domain walls – Nature Materials

French research group led by Prof. M. Viret uses scanning NV magnetometry to reveal a novel type of chiral spin-textures occurring on BiFeO3’s domain-walls.
Scanning NV magnetometry reveals magnetic textures in 2D material CrBr3 in cryogenic environment

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.
Magnetic map of a FEBID Cobalt nanomagnet taken with ProteusQ the Qnami Scanning NV MicroscopeFEBID Nanomagnets for Spin Qubit Control

FEBID Nanomagnets for Spin Qubit Control

Combining FEBID and Scanning NV Microscopy, researchers fabricated and characterized Cobalt nanomagnets for spin Qubit control.

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