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Search: authors:"Genquan Han"

3 papers found.
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Comparative Study of Negative Capacitance Field-Effect Transistors with Different MOS Capacitances

We demonstrate the negative capacitance (NC) effect of HfZrOx-based field-effect transistors (FETs) in the experiments. Improved IDS, SS, and Gm of NCFET have been achieved in comparison with control metal oxide semiconductor (MOS) FET. In this experiment, the bottom MIS transistors with different passivation time are equivalent to the NC devices with different MOS capacitances...

Germanium Negative Capacitance Field Effect Transistors: Impacts of Zr Composition in Hf1−xZrxO2

Germanium (Ge) negative capacitance field-effect transistors (NCFETs) with various Zr compositions in Hf1−xZrxO2 (x = 0.33, 0.48, and 0.67) are fabricated and characterized. For each Zr composition, the NCFET exhibits the sudden drop in some points of subthreshold swing (SS), which is induced by the NC effect. Drive current IDS increases with the increase of annealing temperature...

Strained Germanium Quantum Well PMOSFETs on SOI with Mobility Enhancement by External Uniaxial Stress

Well-behaved Ge quantum well (QW) p-channel metal-oxide-semiconductor field-effect transistors (pMOSFETs) were fabricated on silicon-on-insulator (SOI) substrate. By optimizing the growth conditions, ultrathin fully strained Ge film was directly epitaxially grown on SOI at about 450 °C using ultra-high vacuum chemical vapor deposition. In situ Si2H6 passivation of Ge was utilized...