Sub-micron YBa 2Cu 3O 7-delta step-edge Josephson junctions and micro-SQUIDs

Chen Ke, P. Magnelind, P. Larsson, A. Ya Tzalenchuk, Z. G. Ivanov, Alexander Tzalenchuk

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We discuss the properties of sub-micron YBa 2Cu 3 O 7-delta step-edge Josephson junctions and their application in micro-SQUIDs. We suggest a design of a micro-SQUID sensor for the scanning SQUID microscopy. Two methods of coupling the modulation and feedback signals to the sensor are described. Influence of a superconducting sample on the sensor parameters is analyzed for the two configurations
Original languageEnglish
Pages (from-to)63
JournalPhysica C: Superconductivity and its Applications
Publication statusPublished - 2002

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