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CHARACTERISTICS OF SINGLE INTRINSIC JOSEPHSON JUNCTION

National laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing 210093, P. R. China

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Y. NIE

National laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing 210093, P. R. China

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S. Y. DING

National laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing 210093, P. R. China

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, and

J. GAO

Department of Physics, The University of Hong Kong, Pokfulam Road, Hong Kong, P. R. China

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https://doi.org/10.1142/S0217979205028864Cited by:0 (Source: Crossref)

Abstract

A single intrinsic Josephson junction has been observed in a Bi_2.3Pb_0.1Sr₂CaCu₂O₈ mesa structure. The isothermal voltage-current curves with hysteresis were measured from 5K to 65.09K. The critical current of the junction is almost a constant while the return current depends on the temperature. The temperature dependence of jumping voltage spacing deviates strongly from the BCS one. The temperature dependence of McCumber parameter β_c is shown.

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References

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CHARACTERISTICS OF SINGLE INTRINSIC JOSEPHSON JUNCTION

Abstract

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