Abstract
Abstract The present study is a logical continuation of previous investigations of the SiGe heteroepitaxial system (HES). The primary object of this work was to define the conditions for the formation of fragmentary structure (FS) in the SiSi e Ge system, where Si e designates a homoepitaxial silicon film. It is shown that, after the Ge film deposition, decrease of the HES cooling rate to 2 °C min −1 makes it possible to obtain the HES without FS for a Ge film thickness d of approximately 3 μm and to improve the heterodiode I–V characteristics. The distribution of defects through the film thickness has also been studied.
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