Superconducting behaviour of Nb/Co superlattices |
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| Authors: | C Monton F de la Cruz |
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| Institution: | Centro Atómico Bariloche & Instituto Balseiro, Comisión Nacional de Energía Atómica & Universidad Nacional de Cuyo, 8400 Bariloche, Río Negro, Argentina |
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| Abstract: | We study the superconducting and magnetic behaviour of Nb/Co superlattices, for superconducting Nb layer thickness of 44 nm and Co layer thickness less than 1 nm. In this limit no ferromagnetism is observed for Co. The superlattice behaves as independent superconducting Nb layers. We obtain the penetration depth and superconducting gap of the material, and analyze the results in terms of microscopic models and theories. |
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| Keywords: | Superlattice Superconducting Ferromagnetism |
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