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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >The epitaxial growth of sputtered silicon layers on differently oriented substrates at low temperature - An electron microscopic study
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The epitaxial growth of sputtered silicon layers on differently oriented substrates at low temperature - An electron microscopic study

机译:低温下不同取向衬底上溅射硅层的外延生长-电子显微镜研究

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摘要

We investigated epitaxial silicon films deposited on differently oriented substrates by pulsed magnetron sputtering at temperatures of 500-550 degrees C. Our scanning and transmission electron microscopic as well as electron backscattering investigations show that epitaxial films grow not only on (10 0)-oriented substrates, but also on (2 1 0)-, (4 1 1)- and (3 1 1)-oriented ones. A change to the (1 0 0) orientation is found for the growth on (1 1 1)-, (3 2 1)- and close to (1 1 0)-oriented substrates. For these orientations transmission electron microscopic investigations show stacking faults, microtwins and small amorphous inclusions in a region starting at the substrate-film interface up to thicknesses of 150-200 nm. With increasing film thickness above 200 nm the crystalline perfection of the epitaxial layers improves. (C) 2007 Elsevier B.V. All rights reserved.
机译:我们通过脉冲磁控溅射在500-550摄氏度的温度下研究了沉积在不同取向的衬底上的外延硅膜。我们的扫描和透射电子显微镜以及电子反向散射研究表明,外延膜不仅在(10 0)取向的衬底上生长,但也面向(2 1 0)-,(4 1 1)-和(3 1 1)。发现在(1 1 1)-,(3 2 1)-和接近(1 1 0)取向的基板上生长时,(1 0 0)方向发生了变化。对于这些取向,透射电子显微镜研究显示了从基底膜界面开始直至厚度为150-200 nm的区域中的堆垛层错,微孪晶和小的无定形夹杂物。随着膜厚度增加到200 nm以上,外延层的晶体完整性得到改善。 (C)2007 Elsevier B.V.保留所有权利。

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