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
Click here for open access

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