Wide-field quantitative magnetic imaging of superconducting vortices using perfectly aligned quantum sensors

نویسندگان

چکیده

Various techniques have been applied to visualize superconducting vortices, providing clues their electromagnetic response. Here, we present a wide-field, quantitative imaging of the stray field vortices in thin film using perfectly aligned diamond quantum sensors. Our analysis, which mitigates influence sensor inhomogeneities, visualizes magnetic flux single YBa2Cu3O7−δ with an accuracy ±10%. The obtained vortex shape is consistent theoretical model, and penetration depth its temperature dependence agree previous studies, proving our technique's broad applicability. This wide-field imaging, principle works even under extreme conditions, allows characterization various superconductors.

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ژورنال

عنوان ژورنال: Applied Physics Letters

سال: 2023

ISSN: ['1520-8842', '0003-6951', '1077-3118']

DOI: https://doi.org/10.1063/5.0169521