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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
I-V curves of the film SC15, measured at several T close to the SC transition of = 12.73 K. Approaching , the amplitude of the hysteresis between the sweep-up and sweep-down of the current narrows.