New Nature Communications paper on new method to image spin textures in antiferromagnets using Qnami QuantileverMX probes

There is nothing more rewarding to us at Qnami than seeing scientists creating break-through results using our Qnami QuantileverMX probes or Qnami ProteusQ Microscopes.  This week, the team led by Professor Vincent Jacques published a new article in Nature Communications demonstrating a new method to image spin textures in synthetic antiferromagnets using Qnami QuantileverTMMX probes.

In this article published in Nature Communications, the team led by Professor Vincent Jacques demonstrates a “new way to image non-collinear antiferromagnetic spin textures with nanoscale spatial resolution, relying on the detection of magnetic noise locally produced by thermal populations of magnons.” They achieved this using Qnami QuantileverTMMX probes, and adding a “relaxometry-based imaging mode to the scanning-NV magnetometry toolbox.”

Source of image: Nature Communications volume 12, Article number: 767 (2021)

The authors conclude that “beyond ordered antiferromagnetic structures like domain walls, spirals, and skyrmions, this imaging procedure could be extended to study magnetic order and disorder in other low-moment materials, such as domain structures in two-dimensional van der Waals systems with low Curie temperature in which spin fluctuations would become dominant under ambient conditions.”

Read the full article on Nature Communications.

Qnami QuantileverMX series probes are diamond probes with a single-spin NV center for imaging of magnetic fields.  We designed this series for magnetic imaging in nanoscale resolution. With a single NV at the center of the tip, Quantilever MX probes scan surfaces with extreme precision and allow non-perturbative analysis of a large variety of magnetic materials. Combine it with the Qnami ProteusQ for the best possible result.

Are you interested in the Qnami ProteusQ microscope or QuantileverMX tips for your own lab? Do you have questions about applications for your own research? Contact our Technical Sales Manager, Dr. Joerg Lenz (sales@qnami.ch). Or reach out to your local branch of our exclusive global distributor Horiba Scientific.

About Qnami: Qnami is a VC-backed high-tech company with its roots at the Physics Department of the University of Basel in Switzerland. It develops fundamental new technology using quantum mechanics. The control of the state of a single electron enables measurement with a precision that could never be achieved before. The technique is called quantum sensing and Qnami is enthusiastically developing it to improve people’s lives and the world. Extensive academic research and deep knowledge build the ground for all that Qnami does. With this technology, Qnami is redefining the common understanding of precision. Qnami offers an open team culture of mutual respect and intercultural understanding which is both business and scientific minded. Qnami attracts young, multicultural, open and skilled team members, who have a deep passion for the work. www.qnami.ch 

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