The Josephson Effect in a Ceramic Bridge at Liquid Nitrogen Temperature
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概要
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A bridge junction can be made by cutting a bulk ceramic superconductor into the right sizes. Using this sort of bridge, both dc and ac Josephson effects are confirmed in liquid nitrogen. We have observed microwave-induced steps at either nhf/2e or 2nhf/2e, where n is an integral, as well as the modulation of a critical supercurrent with the increase of microwave power or the externally applied magnetic field.
- 1987-10-20
著者
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GAO X.
Physics Department, Nanjing University
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WU P.
Information Physics Department, Nanjing University
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CHENG Q.
Information Physics Department, Nanjing University
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YANG S.
Information Physics Department, Nanjing University
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CHEN J.
Information Physics Department, Nanjing University
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LI Y.
Information Physics Department, Nanjing University
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JI Z.
Information Physics Department, Nanjing University
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SONG J.
Information Physics Department, Nanjing University
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LU H.
Physics Department, Nanjing University
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WU J.
Physics Department, Nanjing University
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ZHANG X.
Physics Department, Nanjing University