Magnetic Vortices in Superconductors

In this paper, the group of Patrick Maletinsky demonstrate operation of a quantum sensor in cryogenic environment for the first time. The team uses a Quantilever MX prototype to record 3D images of a magnetic vortex in an YBCO superconductor with 10-nm spatial resolution. The unique data reveals important deviations to the standard monopole model used for such vortices and and a better match to the analytical model of J. Pearl. 

These results demonstrate the potential of our technology to benchmark microscopic models of complex electronic systems and open the door for further exploration.

Publication
L. Thiel et al., Quantitative nanoscale vortex imaging using a cryogenic quantum sensor, Nature Nanotechnology 11, 677 (2016).

doi:10.1038/nnano.2016.63
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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.

Characterization of room-temperature in-plane magnetization in thin flakes of CrTe2 with a single spin magnetometer

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Using Qnami QuantileverMX probes, the team led by Vincent Jacques identifies the only “van der Waals” material known to date where magnetic order occurs in a few atomic layers even at room temperature 

Spatial Resolution in Scanning NV Magnetometry – Technical Note

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This technical note explains how spatial resolution is defined in Scanning NV Magnetometry. For a given distance d between the NV center and the scanned surface, the best achievable lateral spatial resolution is 0.86 d.

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