Thin Solid Films, Vol.518, No.15, 4126-4130, 2010
Atomic layer deposition of HfO2 on self-assembled monolayer-passivated Ge surfaces
HfO2 films are not easily deposited on hydrophobic self-assembled monolayer (SAM)-passivated surfaces. However, in this study, we deposited HfO2 films on a tetradecyl-modified SAM with a Ge surface using atomic layer deposition at 350 degrees C. A slightly thinner HfO2 film thickness was obtained on the tetradecyl-modified SAM passivated samples than that typically obtained on GeOx-passivated samples. The resulting electrical properties are explained by the physical thickness and stoichiometry of the interfacial layer. (C) 2009 Elsevier B.V. All rights reserved.
Keywords:Germanium;Self-assembled monolayer;Atomic layer deposition;Alkylation;Equivalent oxide thickness