Title: Performance improvement of self-aligned HfO2/TaN and SiON/TaN nMOS transistors
Authors: Schram, T.
Ragnarsson, L.A.
Lujan, G.
Deweerd, W.
Chen, J.
Tsai, W.
Henson, K.
Lander, R.J.P.
Hooker, J.C.
Vertommen, J.
De Meyer, Christina
De Gendt, Stefan
Heyns, Marc #
Issue Date: Jan-2005
Publisher: Pergamon-elsevier science ltd
Series Title: Microelectronics reliability vol:45 issue:5-6 pages:779-782
Abstract: Direct-etched HfO2/TaN nMOS transistors were fabricated. The performance of the transistors with aggressively scaled EOT is comparable or better than that of SiO2/poly transistors. The performance enhancement requires a combination of EOT scaling and an appropriate interface layer control. The performance of the direct-etched TaN gated HfO2 based transistors is also compared to the performance of similar TaN gated SiON based transistors. It is observed that for equal g(m) the leakage is lower for HfO2 based transistors, despite the lower EOT for the HfO2 based devices. (c) 2004 Elsevier Ltd. All rights reserved.
ISSN: 0026-2714
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Design and Synthesis
Department of Materials Engineering - miscellaneous
Associated Section of ESAT - INSYS, Integrated Systems
# (joint) last author

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