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This paper reports InAs quantum-well (QW) MOSFETs with record transconductance (gm,max = 1.73 mS/µm) and high-frequency performance (fT = 245 GHz and fmax = 355 GHz) at Lg = 100 nm. This record performance is achieved by using a low Dit composite Al2O3/InP gate stack, optimized layer design and a high mobility InAs channel. This work is significant because it shows a possible III-V material pathway...
We present an approach to scale Rext while maintaining control of short channel effects in scaled finFETs. For FETs with fins <;20nm, an enhancement of 19% in drain current was achieved in nFETs by incorporating Al at silicide-Si interface. This Al implantation while reducing the schottky barrier height for n-Si contact by 0.4 eV, does not degrade the integrity of the junction extensions or gate...
We report the results of a systematic study to understand low drive current of Ge-based nMOSFET. The poor electron transport property is primarily attributed to the intrinsically low density of state and high conductivity effective masses. Results are supported by interface trap density (Dit) and specific contact resistivity (rhoc), which are comparable (or symmetric) for both n- and p-MOSFETs. Effective...
We have developed a novel dual phase-modulated Ni silicide for Schottky barrier and series resistance reduction in dopant-segregated source/drain (DSS) n-MOSFETs. Using pre-silicide N2+ implant (thereafter N-implant), it is possible to selectively form interfacial epitaxial Si-rich NiSi2, reducing electron Schottky barrier(SB) from 0.7 eV to 0.34 eV while maintaining a low resistive bulk NiSi, at...
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