Scientific Paper
Magnetic flux penetration in nanoscale wedge-shaped superconducting thin films
Summary
Lead superconducting films with a thickness gradient from about 90 to 154 nm, made with a diffuse stencil mask, were imaged magneto-optically to follow how magnetic flux enters them. Critical current density, the superconducting transition and the onset of flux avalanches all vary along the wedge, in fair agreement with thermomagnetic simulations, showing such films can map thickness effects continuously.
Summary written by the openQCM team. The original abstract is on the publisher’s page.
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