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[Author] Hong-Quan ZHAO(1hit)

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  • Fabrication and Characterization of Active and Sequential Circuits Utilizing Schottky-Wrap-Gate-Controlled GaAs Hexagonal Nanowire Network Structures

    Hong-Quan ZHAO  Seiya KASAI  Tamotsu HASHIZUME  Nan-Jian WU  

     
    PAPER-Emerging Devices

      Vol:
    E91-C No:7
      Page(s):
    1063-1069

    For realization of hexagonal BDD-based digital systems, active and sequential circuits including inverters, flip flops and ring oscillators are designed and fabricated on GaAs-based hexagonal nanowire networks controlled by Schottky wrap gates (WPGs), and their operations are characterized. Fabricated inverters show comparatively high transfer gain of more than 10. Clear and correct operation of hexagonal set-reset flip flops (SR-FFs) is obtained at room temperature. Fabricated hexagonal D-type flip flop (D-FF) circuits integrating twelve WPG field effect transistors (FETs) show capturing input signal by triggering although the output swing is small. Oscillatory output is successfully obtained in a fabricated 7-stage hexagonal ring oscillator. Obtained results confirm that a good possibility to realize practical digital systems can be implemented by the present circuit approach.