Xudong W ang Assistant Professor Department of Materials Science - PowerPoint PPT Presentation

Nanoscience and Nanotechnology Group Xudong W ang 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 http://nanoscience.engr.wisc.edu

Nanoscience and Nanotechnology Group 2 μ m Nanotechnology, 22, 225602 (2011)

Nanoscience and Nanotechnology Group 5 10 -6 10 -5 0.003 Vg=0V-20V, 5V step SS=0.82V/dec 20 V Vth=-1.0V 2 / V s Mobility=0.41cm 10 -6 4 10 -6 5 SQRT Drain Current (A) on/off ratio=2.8*10 W/L=40um/4um 0.002 Drain Current (A) Drain Current (A) 10 -7 3 10 -6 0.002 15 V 10 -8 2 10 -6 0.001 10 V 10 -9 1 10 -6 0.0005 5 V 10 -10 0 10 0 10 -11 0 0 5 10 15 -10 0 10 20 30 Drain Voltage (V) Gate Voltage (V) ACS Nano, 6, 2602 (2012)

Nanoscience and Nanotechnology Group 50 μ m (b) Diffusion-limited (c) Completion of Phase (a) Reaction-limited Growth transformation ACS Nano, 7, 6007 (2013)