Development of Strontium Titanate Thin films on Technical Substrates for Superconducting Coated Conductors

Pallewatta G A P Pallewatta, Zhao Yue, Jean-Claude Grivel

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Abstract

SrTiO3 is a widely studied perovskite material due to its advantages as a template for high temperature superconducting tapes. Heteroepitaxial SrTiO3 thin films were deposited on Ni/W tapes using dip-coating in a precursor solution followed by drying and annealing under reducing conditions. Nearly complete coverage of the underlying substrate was obtained for bi-layers and tri-layers. The 3rd coating is grown with a better homo-epitaxial growth, resulting in an improvement of the orientation factor. The obtained thin films have been characterized in terms of caxis texture and surface morphology, suggesting a good template for further deposition of YBCO superconducting layers.
Original languageEnglish
Title of host publicationProceedings of ICEC 24 - ICMC 2012
EditorsK. Funaki, A. Nishimura, Y. Kamioka, T. Haruyama, H. Kumakura
PublisherCryogenics and Superconductivity Society of Japan
Publication date2012
Pages891-894
ISBN (Print)978-83-7493-589-0
Publication statusPublished - 2012
Event24th International Cryogenic Engineering Conference - International Cryogenic Materials Conference 2012 - Fukuoka, Japan
Duration: 14 May 201218 May 2012

Conference

Conference24th International Cryogenic Engineering Conference - International Cryogenic Materials Conference 2012
CountryJapan
CityFukuoka
Period14/05/201218/05/2012

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