Abstract

Ge/Si buffer layers grown at different temperatures on Si/SiO2/Si (100) substrates have been fabricated and studied. The Si buffer was grown via molecular beam epitaxy. The Ge layer was produced in a single stage via hot wire chemical vapor deposition process. Structural properties were investigated by high-resolution transmission electron microscopy and reflected high-energy electron diffraction. Such structures can be used in the future as a substrate for growth of high quality light-emitting structures compatible with silicon radiation-resistant integrated circuits. The paper shows the possibility of growth of a single crystal layer of Ge on Si/SiO2/Si (100) through a buffer layer of Si by the hot wire chemical vapor deposition process, and also demonstrates the difficulties that arise in the process of growth of Ge/Si layers on Si/SiO2/Si (100).

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