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InGaAs has been extensively studied as a potential channel material for sub-22nm gate length VLSI MOSFETs because of its low electron effective mass (m ) hence high electron velocity (v). At sub-22 nm gate lengths, a maximum 1 nm EOT dielectric and 5 nm thick channel with strong vertical confinement are required for high subthreshold slope and acceptably low drain induced barrier lowering (DIBL)....
A scalable, self-aligned In0.53Ga0.47As MOSFET process was developed and enhancement mode device operation was demonstrated. The 0.7 mum Lg device shows a maximum drive current of 0.14 mA/mum at Vgs=4.0 V and Vds=2.5 V. The devices have almost an order of magnitude larger drive current than our previously reported MOSFETs. The channel layer was 5 nm thick InGaAs with InAlAs bottom barrier for vertical...
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