Influence of inductance induced noise in an YBa2Cu3O7 dc-SQUID at high operation temperatures

P. Å. Nilsson, T. Claeson, J. B. Hansen, Anders Kyhle

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Abstract

The voltage modulation depth of a high T(c) dc-SQUID was measured at temperatures close to T(c) and compared to a model by Enpuku et al. where the flux noise from the SQUID inductance is taken into account. The device was an YBa2Cu3O7 dc-SQUID made on a bicrystal substrate of SrTiO3. The design was of the Ketchen square-washer type with an inductance of 67 pH. Measurements were made in a temperature interval from 75 to 87 K, where the voltage modulation depth changed from 4.5 to 1.4 muV in close agreement with the model.
Original languageEnglish
JournalApplied Physics Letters
Volume64
Issue number18
Pages (from-to)2445-2447
ISSN0003-6951
DOIs
Publication statusPublished - 1994

Bibliographical note

Copyright (1994) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics

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