Ferromagnetic π-junctions
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M. Aprili; T. Kontos; W. Guichard; J. Lesueur; P. Gandit
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Article
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2004
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Elsevier Science
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English
⚖ 469 KB
Phase sensitive experiments have shown that the gap function of HTC superconductors changes of sign in the way expected for a condensate wave function with d x 2 Ày 2 symmetry suggesting unconventional pairing. We present tunneling spectroscopy, Josephson effect and quantum interference measurements