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Nonlinear induction technique for controlling thin-film superconductor structure quality

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Abstract

An advanced technique for contactless study of critical parameters of superconductor materials, based on measurements of the sample nonlinear response to local excitation by an ac magnetic field, is proposed. The results of numerical simulation of the nonlinear response signal spectrum are presented and compared with measurement results. The possibility of reconstructing the superconductor current-voltage characteristic by the response signal shape is considered.

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Correspondence to S. Yu. Gavrilkin.

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Original Russian Text © S.Yu. Gavrilkin, O.M. Ivanenko, K.V. Mitsen, A.Yu. Tsvetkov, 2014, published in Kratkie Soobshcheniya po Fizike, 2014, Vol. 41, No. 2, pp. 26–35.

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Gavrilkin, S.Y., Ivanenko, O.M., Mitsen, K.V. et al. Nonlinear induction technique for controlling thin-film superconductor structure quality. Bull. Lebedev Phys. Inst. 41, 47–52 (2014). https://doi.org/10.3103/S1068335614020043

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  • DOI: https://doi.org/10.3103/S1068335614020043

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