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InAs_(1-x)P_x nanowires grown by catalyst-free molecular-beam epitaxy

机译:无催化剂分子束外延生长的InAs_(1-x)P_x纳米线

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We report on the self-catalysed growth of vertical InAs_(1-x)P_x nanowires on Si(111) substrates by solid-source molecular-beam epitaxy. High-resolution transmission electron microscopy revealed the mixed wurtzite and zincblende structure of the nanowires. Energy dispersive x-ray spectroscopy and x-ray diffraction measurements were used to study the phosphorus content x in the InAs_(1-x)P_x nanowires, which was shown to be in the range 0-10 %. The dependence of phosphorus incorporation in the nanowires on the phosphorus flux in the growth chamber was investigated. The incorporation rate coefficients of As and P in InAs1xPx nanowires were found to be in the ratio 10 ± 5 to 1.
机译:我们报告了通过固体源分子束外延在Si(111)衬底上垂直InAs_(1-x)P_x纳米线的自催化生长。高分辨率透射电子显微镜显示纳米线的混合纤锌矿和闪锌矿结构。使用能量色散x射线光谱法和x射线衍射测量来研究InAs_(1-x)P_x纳米线中的磷含量x,其显示为0-10%。研究了纳米线中磷的掺入对生长室内磷通量的依赖性。发现InAs1xPx纳米线中As和P的掺入率系数为10±5比1。

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