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Proceedings Paper

Electric field effect in Au/SrTiO3/YBa2Cu3O7-x heterostructures
Author(s): Rudolf Schneider; Rainer Auer; Dietmar Huettner
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Paper Abstract

Au/SrTiO3/YBa2Cu3O7-x heterostructures have been prepared in situ by pulsed laser deposition onto (100) SrTiO3 substrates. Electric field controlled devices were patterned by suitable metal masks applied successively during the deposition process. Electrical break-through, polarization and relative dielectric permittivity of the SrTiO3 layer have been studied as a function of the applied electric field. Resistivity, superconducting transition temperature and critical current density of the YBa2Cu3O7-x layer with a thickness of a few unit cells were strongly affected by the electric field. The device parameters response time, transconductance and voltage gain were investigated. THe response time was dominated by the RC time constant of the device in agreement with the mechanism of direct charge transfer by the electric field, but the devices did not reveal a real voltage gain over one.

Paper Details

Date Published: 5 July 1996
PDF: 14 pages
Proc. SPIE 2697, Oxide Superconductor Physics and Nano-Engineering II, (5 July 1996); doi: 10.1117/12.250269
Show Author Affiliations
Rudolf Schneider, Forschungszentrum Karlsruhe (Germany)
Rainer Auer, Forschungszentrum Karlsruhe (Germany)
Dietmar Huettner, Forschungszentrum Karlsruhe (Germany)

Published in SPIE Proceedings Vol. 2697:
Oxide Superconductor Physics and Nano-Engineering II
Ivan Bozovic; Davor Pavuna, Editor(s)

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