Title
Characteristics of CeCoIn5/Al/AlOx/Nb and CeCoIn5/Al/AlOx/Al tunnel junctions
Document Type
Journal Article
RIS ID
31358
Abstract
We report characteristics of CeCoIn5/Al/AlOx/Nb and CeCoIn5/Al/AlOx/Al tunnel junctions fabricated on the (0 0 1) surface of CeCoIn5 crystal platelets. The main result of this work is the observation of a low Josephson current (as compared with that expected from the Ambegaokar–Baratoff formula), which is consistent with idea that the order parameter in the heavy-fermion superconductor CeCoIn5 has unconventional pairing symmetry.
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Publication Details
Nevirkovets, IP, Chernyashevskyy, O, Petrovic, C, Hu, R, Ketterson, JB & Sarma, BK (2009), Characteristics of CeCoIn5/Al/AlOx/Nb and CeCoIn5/Al/AlOx/Al tunnel junctions, Physica C: Superconductivity and its Applications, 469(7-8), pp. 293-296.