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http://dx.doi.org/10.4191/KCERS.2003.40.2.184

Effect of the Introduction of UV Irradiation on Crystallization of Sr0.9Bi2.1Ta2O9 Thin Films by Sol-gel Method  

최병옥 (고려대학교 재료공학과)
김병호 (고려대학교 재료공학과)
Publication Information
Abstract
$Sr_{0.9}Bi_{2.1}Ta_2O_9$thin films were deposited on $IrO_2$ electrode by spin coating method using photosensitive sol-gel solution. To ensure the UV-exposure effect on SBT thin films, UV irradiated films and non-UV irradiated films were analyzed by XRD, SEM. As a result, UV-irradiation on SBT thin films promoted grain growth of SBT compared with no UV irradiation. In case of the UV irradiated films annealed at$740{\circ}C$for 1 h in an oxygen ambient, the 2Pr value and Pr/Ps at${pm}5$V were$11.48{mu}C/cm^2$and 0.53, respectively. 2Pr values of the UV irradiated SBT thin films at$660-740{circ}C were approximately 12% higher than those of non-UV irradiated thin films.
Keywords
Sol-gel; SBT; UV exposure; UV-irradiation;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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