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High-K metal gate stacks with ultra-thin interfacial layers formed by low temperature microwave-based plasma oxidation

 
: Czernohorsky, M.; Seidel, K.; Kühnel, K.; Niess, J.; Sacher, N.; Kegel, W.; Lerch, W.

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Fulltext (PDF; )

Microelectronic engineering 178 (2017), pp.262-265
ISSN: 0167-9317
English
Journal Article, Electronic Publication
Fraunhofer IPMS ()

Abstract
Ultra-thin interfacial silicon oxide layers are grown by microwave-based plasma oxidation at temperatures below 200 °C. The influence of plasma gas composition and plasma pulsing on layer properties is tested. The oxides are compared to standard thermally grown oxide and wet chemical oxide. Layer properties are evaluated by x-ray photo electron spectroscopy and are electrically characterized by means of TiN/HfO2/SiO2 high-k metal gate stacks.

: http://publica.fraunhofer.de/documents/N-455779.html