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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/98251

    Title: Substrate and BMT Inter Layer Effect on Pulsed Laser Deposited Barium Strontium Titanate Thin Films and Its Microwave Properties
    Authors: Joseph, P.T.;Chu, Ying-Hao;Chen, Yi Chun;Cheng, Hsiu Fung;Lin, I-Nan
    Contributors: 淡江大學物理學系
    Keywords: (Ba,Sr)TiO3;Ba(Mg1/3Ta2/3)O3;Microwave;Lattice parameter
    Date: 2004-11
    Issue Date: 2014-06-24 10:00:36 (UTC+8)
    Publisher: Hsinchu, Taiwan : Chinese Society for Material Science
    Abstract: We have deposited epitaxial Ba0.4Sr0.6TiO3 (BST) thin films via laser ablation on to SiO2 and Pt(Si) substrates with or without a Ba(Mg1/3Ta2/3)O3 (BMT) buffer layer. The structure and microwave dielectric properties of the films have been investigated with two different substrates and a BMT buffer layer. We have found that BMT buffer layer enhances the crystalline growth behavior and also effects dielectric properties of the BST film. The incorporation of BMT buffer layer engenders a change in the lattice parameter BST of the order of 0.01277 on SiO2 substrates and 0.01189 on Pt-Si Substrates. The evanescent microprobe (EMP) analysis reveals the close relation in the variation of microwave property of the deposited films allied with the variation in lattice parameter and the grain size/shape.
    Relation: 中國材料科學學會:2004CSMS論文集=Proceedings: the 2004 Annual Conference of the Chinese Society for Material Science, 3p.
    Appears in Collections:[物理學系暨研究所] 會議論文

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