Andreev reflection and the proximity eff
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T.W. Jing; Z.Z. Wang; N.P. Ong
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Article
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1989
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Elsevier Science
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English
โ 123 KB
Gold cont~pts to^YBa2Cu307 crystals with specific contact resistivity under 10-'UC~cm z are described. A gap structure of 10 mV is seen in the Andreev reflection signal. We discuss the possibility of superconductivity induced in Au by the proximity effect.