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Preparation and Properties of Dy doped La and Sc solution of BiFeO_3 Film

机译：掺BiFeO_3薄膜的掺镧镧和Sc溶液的制备及性能

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摘要

A series of Dy doped La and Sc solution of BiFeO_3 thin films have been prepared by using spin-coating process on conductive indium tin oxide (ITO)/glass substrates, which a simple sol-gel possess is applied and annealed at 500℃. With the increase of content of Dy, the strongest peak (110) of La and Sc solution BiFeO_3 film tends to further broaden. There is no second phase existence within the present Dy doping level. Cross section scanning electron microscope (SEM) pictures revealed that the thickness of BiFeO_3 film was about 370 nm. For Dy doping level is 0.05, the maximum double remanent polarization 2Pr of as-prepared BiFeO_3 thin film is15.44 μC/cm2. Image of atomic force microscopy indicated that the root-mean-square surface roughness value of as-prepared BiFeO_3 thin film is 2.11 nm. The dielectric constant of as-prepared films tends to firstly increase and then decrease with the increase of Dy content.
机译：采用旋涂工艺在导电铟锡氧化物（ITO）/玻璃基板上制备了一系列Dy掺杂La和Sc的BiFeO_3薄膜溶液，并对其进行了简单的溶胶-凝胶化并在500℃下退火。随着Dy含量的增加，La和Sc溶液BiFeO_3薄膜的最强峰（110）趋于进一步变宽。在当前的Dy掺杂水平内不存在第二相。截面扫描电子显微镜（SEM）图片显示BiFeO_3膜的厚度约为370 nm。当Dy掺杂量为0.05时，制备的BiFeO_3薄膜的最大双剩极化2Pr为15.44μC/ cm2。原子力显微镜图像显示，所制备的BiFeO_3薄膜的均方根表面粗糙度值为2.11nm。所制备的膜的介电常数倾向于随着Dy含量的增加而先增加然后降低。

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  • 来源
    《Inorganic thin films and coatings》|2012年|109-113|共5页
  • 会议地点 Guilin(CN)
  • 作者

    Xiwei Qi; Xiaoyan Zhang; Xuan Wang; Haibin Sun; Jianquan Qi;

  • 作者单位

    School of Resources and Materials, Northeastern University at QinHuangDao Branch,QinHuangDao 066004, P. R. China;

    School of Resources and Materials, Northeastern University at QinHuangDao Branch,QinHuangDao 066004, P. R. China;

    School of Resources and Materials, Northeastern University at QinHuangDao Branch,QinHuangDao 066004, P. R. China;

    School of Resources and Materials, Northeastern University at QinHuangDao Branch,QinHuangDao 066004, P. R. China;

    School of Resources and Materials, Northeastern University at QinHuangDao Branch,QinHuangDao 066004, P. R. China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Sol-gel; BiFeO_3film; Dy doped; La and Sc solution;

    机译：溶胶凝胶BiFeO_3膜;掺杂La和Sc解决方案;

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