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In this article, we investigated the fabrication and characteristics of Pd germanide Schottky contacts on n-type Ge substrate. It is shown that the lowest sheet resistance and uniform Pd germanide can be obtained by a one step RTP at 400°C for 30 sec. The proposed Pd germanide/nGe contact exhibited electron Schottky barrier height and work function of 0.565~0.577 eV and 4.695~4.702 eV, respectively...
Highly thermally stable Ni germanide technology for high performance germanium metal-oxide-semiconductor field-effect transistors (Ge MOSFETs) is proposed, utilizing Pd incorporation into Ni germanide. The proposed Ni germanide shows not only the improvement of thermal stability but also the reduction of hole barrier height, which can improve the device on-current by reducing the Ni germanide to p+...
In this study, thermal stability of Ni germanide on Ge-onSi substrate is improved using Ni-Pt(l%) alloy target. It is believed that Pt incorporation suppressed the oxidation of NiGe and Ni and Ge diffusion. The proposed Ni-Pt/TiN is also efficient in reducing hole barrier height between Ni germanide and source/drain, i.e., decrease of contact resistance therein. The extracted Schottky barrier height...
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