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Thin aluminium oxide films as electrical barriers between superconducting Y-Ba-Cu-O layers

  • M.J.M.E. de Nivelle
  • , B.W.O. Hauser
  • , Enrico G. Keim
  • , Horst Rogalla

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

Multilayer structures consisting of YBaCuO, Al2O3 and CuO have been sputtered on various substrates. Resistivity measurements show almost no deterioration of the electrical properties of a superconducting YBaCuO film, on top of which first an A12O3 and then an YBaCuO film has been sputtered. First results of YBaCuO films deposited on the A12O3 barrier show a Tcof 65 K.

Scanning electron microscopy (SEM) and scanning Auger microscopy (SAM) as applied on a cross section of a multilayer indicate no diffusion between the Al2O3 and YBaCuO layers.
Original languageEnglish
Title of host publicationAdvances in Cryogenic Engineering Materials
Subtitle of host publicationProceedings of the Eighth International Cryogenic Materials Conference (ICMC) held July 24-28, 1989, at UCLA, in Los Angeles, California
EditorsR.P. Reed, F.R. Fickett
Place of PublicationNew York, NY
PublisherSpringer
Pages467-471
Number of pages5
ISBN (Electronic)978-1-4613-9880-6
ISBN (Print)978-0-306-43598-0, 978-1-4613-9882-0
DOIs
Publication statusPublished - 1990
Event1989 Cryogenic Engineering Conference & International Cryogenic Materials Conference, CEC/ICMC 1989 - UCLA, Los Angeles, United States
Duration: 24 Jul 198928 Jul 1989

Publication series

NameAdvances in cryogenic engineering
PublisherSpringer
Volume36, Part A
ISSN (Print)0065-2482

Conference

Conference1989 Cryogenic Engineering Conference & International Cryogenic Materials Conference, CEC/ICMC 1989
Abbreviated titleCEC/ICMC
Country/TerritoryUnited States
CityLos Angeles
Period24/07/8928/07/89

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