Electrical and Physical Properties of High-k Gate Dielectrics on InxGa1-xAs
ADVANCED GATE STACK, SOURCE/DRAIN, AND CHANNEL ENGINEERING FOR SI-BASED CMOS 6: NEW MATERIALS, PROCESSES, AND EQUIPMENT(2010)
摘要
The electrical and physical properties of high-k gate dielectrics on InxGa1-xAs with different surface passivation techniques have been studied. A model based on disordered-induced gap states is described which explains the frequency dispersion behavior observed in capacitance-voltage measurements. InxGa1-xAs MOSFETs with different ex-situ surface passivation techniques and HfO2 gate dielectric were fabricated and characterized. The results of transport characteristics are compared and correlated to associated physical measurements.
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