Independent grid-controlled nano line field effect transistor
A technology of field effect transistors and nanowires, applied in semiconductor devices, electrical components, circuits, etc., to achieve the effect of reducing off-state current, reducing driving current, and strong driving ability
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[0023] 3) Complete the preparation of the outer gate structure; large-angle injection of phosphorus (1x10 15 cm -2 / 10keV) and annealing (1000℃ / 10s) to prepare source and drain regions;
[0024] 4) Standard CMOS process completes metal electrode preparation.
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[0026] Embodiment 1. Independent gate controlled nanowire field effect transistor and its performance test
[0027] The structure of the independent gate controlled nanowire field effect transistor is as figure 1 As shown, the work function of the materials of the inner gate electrode 1 and the outer gate electrode 2 is set to 4.61 eV; the inner gate dielectric 3 and the outer gate dielectric 4 are silicon oxide layers with a thickness of 1.5 nm, and the channel region 5 is doped with boron Concentration 1×10 11 cm -3 Silicon material with a thickness of 10 nanometers; source region 6 and drain region 7 are doped with phosphorus with a concentration of 1×10 20 cm -3 The silicon material; the inner gate radius is 10 nanometers. The length of the source region and the drain region of the device are both 50 nanometers. The thickness of the source and drain regions is equal to the thickness of the channel region and surrounds the inner gate electrode.
[0028] The individual gate cont...
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