Strontium Titanate Buffer Layers on Cu/33%Ni Substrates using a Novel Solution Chemistry

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

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

SrTiO3 is a widely studied perovskite material due to its advantages as a buffer template which can be simply applied between a metal substrate tape and a superconducting layer in 2G high temperature superconducting (HTS) tapes. In this study, heteroepitaxial SrTiO3 thin films were deposited on textured Cu/33%Ni substrates using dip-coating in a precursor solution followed by drying and annealing under controlled oxygen partial pressures. The control of the ambient atmosphere during annealing is an important experimental issue in order to achieve thin films with high quality surface texture. We found that rather low oxygen partial pressures are necessary for obtaining the desired cube texture in the film surface. We could obtain thin films with finely covered homogeneous mono-coatings, with thicknesses of 80~100 nm. The films have been characterized in terms of texture and surface morphology, suggesting that they are promising templates for further deposition of YBCO superconducting layers.
Original languageEnglish
Title of host publicationThe 8th Pacific Rim International Congress on Advanced Materials and Processing
EditorsFernand Marquis
PublisherMinerals, Metals & Materials Society
Publication date2013
Pages2095-2101
Publication statusPublished - 2013
Event8th Pacific Rim International Congress on Advanced Materials and Processing - Hilton Waikoloa Village, Waikoloa, HI, United States
Duration: 4 Aug 20139 Aug 2013
Conference number: 8
http://www.tms.org/meetings/specialty/pricm8/home.aspx

Conference

Conference8th Pacific Rim International Congress on Advanced Materials and Processing
Number8
LocationHilton Waikoloa Village
CountryUnited States
CityWaikoloa, HI
Period04/08/201309/08/2013
Internet address

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