Carbon Nanotube Transistor Arrays for Multistage Complementary Logic and Ring Oscillators

  title={Carbon Nanotube Transistor Arrays for Multistage Complementary Logic and Ring Oscillators},
  author={Ali Javey and Qian Wang and Ant Ural and Yiming Li and Hongjie Dai},
This work demonstrates multistage complementary NOR, OR, NAND, and AND logic gates and ring oscillators (frequency ∼220 Hz) with arrays of pand n-type nanotube field effect transistors (FETs). The demonstration is made possible by progress in three aspects of nanotube synthesis and integration. First, patterned growth leads to large numbers of nanotube FETs in an array, as up to 70% of individual nanotubes are semiconductors. Second, metal electrodes are successfully embedded underneath… CONTINUE READING
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Publications referenced by this paper.

Ouput characteristics of a ring oscillator made of three complementary nanotube inverters. The output frequency is ∼220

S. Tans, A. Verschueren, C. Dekker
Nature • 1998

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