Journal
APPLIED PHYSICS LETTERS
Volume 90, Issue 16, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2724904
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High performance single-walled carbon nanotube field effect transistors (SWCNT-FETs) fabricated with thin atomic layer deposited (ALD) Al2O3 as gate dielectrics and passivation layer are demonstrated. A 1.5 mu m gate-length SWCNT-FETs with 15 nm thick Al2O3 insulator shows a gate leakage current below 10(-11) A at -2.5 V<+7 V, a subthreshold swing of S similar to 105 mV/decade, and a maximum on current of -12 mu A at a reverse gate bias of -1 V. Lack of hysteresis in IV characteristics and low low frequency noise indicate high quality oxide-nanotube interface achieved utilizing ALD Al2O3 as gate dielectrics and passivation layer. (C) 2007 American Institute of Physics.
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