{"title":"Superconducting Bi(2223) thick film on Ba2HoNbO6: a new perovskite ceramic substrate","authors":"S. Nair, P. Warriar, J. Koshy","doi":"10.1179/096797803225004945","DOIUrl":null,"url":null,"abstract":"Abstract Barium holmium niobate Ba2HoNbO6 (BHNO) has been developed as a new substrate for (Bi,Pb)2Sr2Ca2Cu3Ox (Bi(2223)) superconductor film. Ba2HoNbO6 has a cubic perovskite structure with lattice constant a = 8·26 Å. The dielectric constant and loss factor of this material are in a range suitable for its use as a substrate for microwave applications. The Bi(2223) superconductor shows no detectable chemical reaction with BHNO, even under extreme processing conditions. Dip coated Bi(2223) thick film on Ba2HoNbO6 substrate had T c(0) of 109 K and current density of around 4 × 103 A cm - 2 at 77 K and in zero magnetic field.","PeriodicalId":350675,"journal":{"name":"British Ceramic Transactions","volume":"5 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2003-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"British Ceramic Transactions","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1179/096797803225004945","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Abstract Barium holmium niobate Ba2HoNbO6 (BHNO) has been developed as a new substrate for (Bi,Pb)2Sr2Ca2Cu3Ox (Bi(2223)) superconductor film. Ba2HoNbO6 has a cubic perovskite structure with lattice constant a = 8·26 Å. The dielectric constant and loss factor of this material are in a range suitable for its use as a substrate for microwave applications. The Bi(2223) superconductor shows no detectable chemical reaction with BHNO, even under extreme processing conditions. Dip coated Bi(2223) thick film on Ba2HoNbO6 substrate had T c(0) of 109 K and current density of around 4 × 103 A cm - 2 at 77 K and in zero magnetic field.
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