论文标题

Bifeo3薄膜中的自组装线网络

Self-assembled line network in BiFeO3 thin films

论文作者

Colson, B., Fuentes, V., Konstantinovic, Z., Colson, D., Forget, A., Lazarevic, N., Scepanovic, M., Popovic, Z. V., Frontera, C., Balcells, Ll., Martinez, B., Pomar, A.

论文摘要

在这项工作中,我们报告了通过RF溅射在动力学有限的生长区域的Laalo3顶部的高度外延Bifeo3薄膜中的自组装线网络的受控制造。如前所述,在锰矿薄膜的情况下,使用具有明显的序列底层形态来实现了显着的订购程度。纳米结构的Bifeo3薄膜显示混合形态。除了以下(100)和(010)轴的典型形成外,还检测到常规线网络之间的一些混合相纳米域。这些特殊的微观结构为多效纳米材料的未来应用打开了操场。

In this work we report on the controlled fabrication of a self-assembled line network in highly epitaxial BiFeO3 thin films on top of LaAlO3 in the kinetically limited grown region by RF sputtering. As previously shown in the case of manganite thin films, the remarkable degree of ordering is achieved using vicinal substrates with well-defined step-terrace morphology. Nanostructured BiFeO3 thin films show mixed-phase morphology. Besides typical formation following (100) and (010) axes, some mixed phase nanodomains are detected also in-between the regular line network. These particular microstructures open a playground for future applications in multiferroic nanomaterials.

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