Dense ensembles of NV centers used to investigate the correlation between superconductivity and ferromagnetism

Image credit: https://pubs.acs.org/doi/10.1021/acs.nanolett.1c02424

The Fe-chalcogenide superconductor FeTexSe1–x is an interesting material for studying the interaction between topology, superconductivity, and magnetism. Using nitrogen vacancy (NV) centers in diamond, researchers have achieved nanoscale quantum sensing and imaging of magnetic flux in exfoliated FeTexSe1–x flakes, revealing a strong correlation between superconductivity and ferromagnetism. This discovery paves the way for exploring exotic quantum transport phenomena and potential applications in solid-state quantum information technologies.

To enable wide-field imaging with dense NV ensembles, ensuring direct contact between the sample and the diamond surface is essential. The Quantum Foundry provides the expertise to fabricate engineered diamond plates optimized for imaging diverse materials, from 2D systems to large-scale magnetic films.

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Single nanoindentation on an antiferromagnetic substrate of a van der Waals heterostructure measured with Scanning NV MangetometryNovel chiral quantum light source

Novel chiral quantum light source

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Scanning NV Magnetometry proves how a novel combination of van der Waals materials is the easy and effective chiral quantum light source of the future.
Optimizing Off-Axis Fields for Vector Magnetometry

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.
Unveiling Critical Behavior in High-Tc Ferromagnets with NV Magnetometry

Unveiling Critical Behavior in High-Tc Ferromagnets with NV Magnetometry

Researchers led by Benjamin Lawrie used NV relaxometry on the Qnami ProteusQ system to reveal critical behavior in a high-Tc ferromagnetic oxide, providing new insights into phase transitions at the nanoscale.

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