Fabrication of silicon-germanium fin structure having silicon-rich outer surface

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United States of America Patent

PATENT NO 10229975
APP PUB NO 20180026100A1
SERIAL NO

15613930

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A method includes forming an oxide layer on a silicon-germanium (SiGe) fin formed on a substrate. The first oxide layer comprises a mixture of a germanium oxide compound (GeOx) and a silicon oxide compound (SiOx). The first oxide layer is modified to create a Si-rich outer surface of the SiGe fin. A silicon nitride layer is deposited on the modified first oxide layer.

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INTERNATIONAL BUSINESS MACHINES CORPORATIONNEW ORCHARD ROAD ARMONK NY 10504

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jagannathan, Hemanth Niskayuna, US 260 2429
Lee, ChoongHyun Rensselaer, US 418 2551
Mochizuki, Shogo Clifton Park, US 314 2242
Watanabe, Koji Rensselaer, US 331 4440

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