|Sub-50 mV Nano-electromechanical (NEM) Switch|
|Dr. Bivas Saha, Department of Materials Science and Engineering, University of California, Berkeley|
|Venue, Date and Time|
|Nanoelectronics conference room (EE annexe), Jul 12, 2017, 11:00|
|Since the 1950s, improvements in integrated circuit performance
and functionality have been orchestrated primarily by transistor length
scaling and increased integration, which has led to the proliferation of
the information technology with unprecedented social and economic impact.
Transistor, however, is a relatively insensitive switch, and demand an
operating voltage close to 1 Volt for good ON/OFF switching. Wires in
electrical circuit, however, have a noise level of ~1
millivolt. Therefore, in-principle a more sensitive switch could be
powered by a few millivolts, leading to a power saving of five orders of
magnitude or more.
In this presentation, we will demonstrate a 21st century
nano-electromechanical (NEM) relay device that operates at sub-50 mV
switching voltages. Coupled with the effects of a body-bias that decreases
relay contact impact velocity, and fluorinated anti-stiction molecular
the relay contact surfaces that reduces the hysteresis voltage, the NEM
relay promises a new era on low power electronic devices and
internet-of-things based applications. The presentation will
also address device challenges such as stability, and variability, as well
as fundamental material challenges such as anti-stiction and electrical
properties of coating materials for the development
of energy efficient NEM switch devices.
|About the Speaker|
|Bivas Saha is a Postdoctoral Scholar at the Department of Materials
Science and Engineering of the University of California, Berkeley. Prior
to joining UC Berkeley, Dr. Saha graduated from Purdue University (Ph.D.
in 2014), JNCASR (M.S. in 2010) and Jadavpur University (B.Sc. in 2007).
Dr. Saha’s research interests span from materials science to applied
physics, specializing in solid-state materials and devices for energy
conversion and energy efficient electronic sciences. He is the recipient
of the Purdue
University College of Engineering Outstanding Graduate Student Award in
2014, and has served as an ambassador of the Birck Nanotechnology Center
and Discovery Park of Purdue University.