Abstract
The current-voltage characteristic (CVC) of a break junction made from polycrystalline Bi1.8Pb0.3Sr1.9Ca2Cu3Ox is investigated. The experimental CVC has a hysteretic feature that reflects part of the curve with a negative differential resistance. The CVC is discussed within the framework of the Kümmel-Gunsenheimer-Nicolsky theory that takes into account multiple Andreev reflections in superconductor/normalmetal/superconductor junctions.
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Gokhfeld, D.M., Balaev, D.A., Shaikhutdinov, K.A. et al. Andreev reflections in a Bi1.8Pb0.3Sr1.9Ca2Cu3Ox break junction. Phys. Metals Metallogr. 101 (Suppl 1), S27–S28 (2006). https://doi.org/10.1134/S0031918X06130096
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DOI: https://doi.org/10.1134/S0031918X06130096