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Dense chains of stacked quantum dots in Ge/Si heterostructures

机译:Ge / Si异质结构中堆积量子点的密集链

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Growth and characterization of Ge/Si(001)heterostructures with dense chains of stacked Ge quantum dots are reported. Ge hut nucleation and growth at low temperatures is discussed on the basis of results obtained by high resolution scanning tunneling microscopy and in-situ reflected high-energy electron diffraction. Atomic-level models of nucleating and growing huts are proposed. Data of high resolution transmission electron microscopy are presented focusing on long chains of Ge quantum dots. New photovoltaic quantum dot infrared photodetectors are proposed.
机译:据报道,具有密集的堆叠的Ge量子点链的Ge / Si(001)异质结构的生长和表征。基于高分辨率扫描隧道显微镜和原位反射高能电子衍射获得的结果,讨论了低温下的晶格成核和生长。提出了原子级的成核和生长小屋模型。介绍了高分辨率透射电子显微镜的数据,重点是Ge量子点的长链。提出了新的光伏量子点红外光电探测器。

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