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Page 1: Xudong Wang - CMU · Microsoft PowerPoint - 13-us-korea forum.pptx Author: Dante Created Date: 10/17/2013 11:12:10 AM ...

Nanoscience and Nanotechnology Group

http://nanoscience.engr.wisc.edu

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

Page 2: Xudong Wang - CMU · Microsoft PowerPoint - 13-us-korea forum.pptx Author: Dante Created Date: 10/17/2013 11:12:10 AM ...

Nanoscience and Nanotechnology Group

2 μm

Nanotechnology, 22, 225602 (2011)

Page 3: Xudong Wang - CMU · Microsoft PowerPoint - 13-us-korea forum.pptx Author: Dante Created Date: 10/17/2013 11:12:10 AM ...

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

Dra

in C

urre

nt (A

)

Drain Voltage (V)

Vg=0V-20V, 5V stepMobility=0.41cm2/ V sW/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

Dra

in C

urre

nt (A

)

SQR

T Drain C

urrent (A)

Gate Voltage (V)

SS=0.82V/decVth=-1.0Von/off ratio=2.8*105

ACS Nano, 6, 2602 (2012)

Page 4: Xudong Wang - CMU · Microsoft PowerPoint - 13-us-korea forum.pptx Author: Dante Created Date: 10/17/2013 11:12:10 AM ...

Nanoscience and Nanotechnology Group

50 μm

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

ACS Nano, 7, 6007 (2013)