[BNC-all] Special Condensed Matter/Nanoelectronics Seminar

[Jeff Goecker]

Special Condensed Matter/Nanoelectronics
Seminar
 
Friday, April 15, 2011
 11:00 AM- 12:00 PM,
 Room 298 Physics 
 
 
Guangyu
Xu
Department of Electrical
Engineering
University
of California, Los Angeles
Variability
Effects in Carbon-based Devices
 
An
often-challenged question about nanoscale devices is the variability issue
resulting from either the environment or the material itself. With no
exceptions, carbon-based devices usually have enhanced variability effects
inherent from their large surface-volume ratios in low-dimensions. Adversely,
these variabilities cause device fluctuations and limit the reliability in
large-scale production. On the other hand, however, these large variability
effects can be beneficial for applications in metrology, when the large
fluctuations in nanoscale devices can be implemented as the ‘signal’ to achieve
high sensitivities. This talk surveys the research of several typical
variabilities in carbon-based devices, from the consideration of device designs
in the presence of these variabilities to their implementation and potential
applications as novel probing mechanisms. Discussions include the devices made
of carbon nanotube, graphene and graphene nanoribbon, covering one-dimensional,
two-dimensional and quasi-one-dimensional carbon-based systems. 
Biography:Guangyu Xu received B.S. in
Fundamental Science (Mathematics and Physics) and M.S. in Electrical
Engineering from Tsinghua University, China in 2003 and 2006, respectively.
From 2006, he joined Prof. Kang L.Wang's group at UCLA for his Ph. D. research.
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