Xudong Wang - CMU · PDF file...

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  • Nanoscience and Nanotechnology Group

    http://nanoscience.engr.wisc.edu

    Xudong Wang Assistant Professor

    Department of Materials Science and Engineering

    University of Wisconsin-Madison Email: xudong@engr.wisc.edu

    The Tenth US-Korea Forum

    Oct. 16, 2013

  • Nanoscience and Nanotechnology Group

    2 μm

    Nanotechnology, 22, 225602 (2011)

  • Nanoscience and Nanotechnology Group

    0 100

    1 10-6

    2 10-6

    3 10-6

    4 10-6

    5 10-6

    0 5 10 15

    D ra

    in C

    ur re

    nt (A

    )

    Drain Voltage (V)

    Vg=0V-20V, 5V step Mobility=0.41cm2/ V s W/L=40um/4um

    5 V

    10 V

    15 V

    20 V

    10-11

    10-10

    10-9

    10-8

    10-7

    10-6

    10-5

    0

    0.0005

    0.001

    0.002

    0.002

    0.003

    -10 0 10 20 30

    D ra

    in C

    ur re

    nt (A

    )

    SQ R

    T D rain C

    urrent (A )

    Gate Voltage (V)

    SS=0.82V/dec Vth=-1.0V on/off ratio=2.8*105

    ACS Nano, 6, 2602 (2012)

  • Nanoscience and Nanotechnology Group

    50 μm

    (b) Diffusion-limited (a) Reaction-limited Growth (c) Completion of Phase transformation

    ACS Nano, 7, 6007 (2013)