Nanoscience and
Nanotechnology Group
Xudong Wang
Assistant Professor
Department of Materials Science and Engineering
University of Wisconsin-Madison
Email: [email protected]
The Tenth US-Korea Forum
Oct. 16, 2013
http://nanoscience.engr.wisc.edu
Nanoscience and
Nanotechnology Group
2 μm
Nanotechnology, 22, 225602 (2011)
Nanoscience and
Nanotechnology Group
-6
-5
10
Vg=0V-20V, 5V step
20 V
2
Drain Current (A)
Mobility=0.41cm / V s
W/L=40um/4um
-6
10
-6
3 10
15 V
-6
2 10
10 V
0.003
SS=0.82V/dec
Vth=-1.0V
on/off ratio=2.8*10
5
0.002
-7
10
0.002
-8
10
0.001
-9
10
-6
1 10
5V
0
5
10
Drain Voltage (V)
0.0005
-10
10
0
0 10
15
-11
10
SQRT Drain Current (A)
-6
4 10
Drain Current (A)
5 10
-10
0
10
Gate Voltage (V)
20
30
0
ACS Nano, 6, 2602 (2012)
Nanoscience and
Nanotechnology Group
50 μm
(a) Reaction-limited Growth
(b) Diffusion-limited
(c) Completion of Phase
transformation
ACS Nano, 7, 6007 (2013)