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Effect of Sr/Zr Ratio and Organic Vehicle Addition on Bond Strength of $SrZrO_3 $ Thin Films  

이세종 (경성대 재료공학과)
이득용 (대림대 재료정보학과)
예경환 (항공대 대학원 재료공학과)
송요승 (항공대 재료공학과)
Publication Information
Progress in Superconductivity and Cryogenics / v.4, no.1, 2002 , pp. 13-16 More about this Journal
Abstract
$SrZrO_3 $resistive oxide barriers on Ag sheathed Bi2223 tapes were prepared by the sol-gel and dip coating method to reduce AC coupling loss. The performance of the dip-coated $SrZrO_3 $ thin films was evaluated in terms of bond strength by varying the Sr/Zr mol ratio and the amount of organic vehicle (ethyl cellulose and a-terpineol) additives. The bond strength of the coatings increased as the Sr/Zr ratio decreased and the amount of organic vehicle rose, respectively. It was found that the effect of organic vehicle addition was more pronounced, suggesting that the adherence of the $SrZrO_3 $ films on Bi2223 tapes was governed primarily by the amount of organic vehicle additive.
Keywords
$SrZrO_3 $; ac loss; Sr/Zr moi ratio; organic vehicle; bond strength;
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