SF Bay Area Nanotechnology Council

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Archive for the ‘Upcoming Events’ Category

Emerging Non-volatile Memory, enabled by Carbon Nano-materials

Tuesday, August 18th, 2015

Tuesday, September 15, 2015
Noon – 1  pm
Texas Instruments (TI) Auditorium E-1
2900 Semiconductor Drive
Santa Clara, CA
map

Please RSVP here.

 

 

TITLE: Emerging Non-volatile Memory, enabled by Carbon Nano-materials

SPEAKER: Dr. Ethan C. Ahn, Dept of Electrical Engineering, Stanford Nanoelectronics Lab
 

 

 
ABSTRACT:
With the advent of so-called ‘big data’ era and the increasing need for greater storage capacity in various mobile and wearable devices, it is becoming more important to explore a new storage-class memory technology. As illustrated in recent research articles and papers, significant progress on emerging non-volatile memory (NVM) devices such as spin-transfer-torque magnetic random access memory (STT-MRAM), resistive or metal-oxide RAM (RRAM), or phase-change memory (PCM), made it possible to replace the mainstream NVM (NAND Flash) and even reach certain on-chip memory requirements (e.g., L2/L3 SRAM cache). This is important, as the energy efficiency of computing circuits/systems has been increasingly limited by the memory and storage devices. In this talk, a frontier research on the near- and long- term potential of emerging nanoscale memory devices and architectures will be discussed to replace ultimately scaled CMOS memory device technologies. The emerging 1TnR (one-transistor-n-resistors) array architecture with carbon nanotube field-effect transistor as one-dimensional selection device and thus reduced sneak leakage is demonstrated as a cost-effective and 3D-stackable solution. The integrated bipolar RRAM device, for example, exhibits self-compliance characteristics with high endurance and fast switching speed. It is pointed out that the carbon nanotube electrode brings the (lithography-free) critical dimension of the memory device down to a single-digit-nanometer. The novel thermal engineering technique for low-power NVM applications is also introduced using a monolayer graphene as an interfacial thermal barrier. The programming (RESET) current of the graphene-inserted PCM device is reduced by about 40% due to an improved thermal efficiency. The status, key challenges, and promising applications of the RRAM, PCM, and STT-MRAM technologies will be briefly discussed in the talk.

SPEAKER BIOGRAPHY:
Dr. Ahn received the Ph.D. in Electrical Engineering (EE) at Stanford University in 2015, working under the supervision of Professor H.-S. Philip Wong. He joined Stanford University in 2010, after a 3-year research career on Spintronic devices (STT-MRAM) with the Korea Institute of Science and Technology (KIST) in Seoul, Korea. While at KIST, he initiated the collaborative research program with Michigan State University to study spin-dependent transports in magnetic multilayers and spinvalves. He received the B.S. and M.S. degrees in EE from the Korean Advanced Institute of Science and Technology (KAIST) in Daejeon, Korea. He is the author of over 10 peer-reviewed research journal papers in electrical engineering and applied physics, over 20 premier international conference papers, and one book chapter of Emerging Nanoelectronic Devices (ed. A. Chen, John Wiley & Sons, Ltd, Jan. 2015). His primary research interests include emerging non-volatile memory devices and architectures (including Metal-oxide RAM and Phase-Change Memory), beyond CMOS electronics (utilizing Carbon Nano-materials such as Carbon Nanotube and graphene), and various spintronic devices (including STT-MRAM and Spin-FET). Dr. Ahn has been the recipient of numerous awards and honors, including John Bardeen Student Research Award for Excellence in Nanodevice Research (2014), Best Summer Research Intern Award by T.-C. Chen at IBM T. J. Watson (2013), and GE Scholarships (2004).

AGENDA:

  • 11:30 am – Registration & light lunch (pizza & drinks)
  • Noon – Presentation & Questions/Answers
  • 1:00 pm – Adjourn
COST: FREE

 

Please RSVP here to make sure we have enough lunch.

Electrostatic Functionalization of Carbon Based Nanomaterials and Applications in Chemical, Gas and BioSensing

Tuesday, July 21st, 2015

Tuesday, August 18, 2015
Noon – 1  pm
Texas Instruments (TI) Auditorium E-1
2900 Semiconductor Drive
Santa Clara, CA
map

Please RSVP here.

 

 

TITLE: Electrostatic Functionalization of Carbon Based Nanomaterials
and Applications in Chemical, Gas and BioSensing

SPEAKER: Dr. Vasuda Bhatia, Professor, Amity Institute
 

 

 
ABSTRACT:
Carbon nanotubes (CNTs) and carbon nanomaterials based sensors have attracted a great deal
of research interest in last several years. Their unique electrical, optical and mechanical properties make them
very strong candidates for the development of the new generation of miniaturized, lowpower and highperformance
sensors. In this talk, I present a novel technology based on electrostatic charging for the functionalization of carbon based nanomaterials. The electrostatically functionalized surfaces provide oxygenated functional groups as anchoring sites for decoration with several nanoparticles to synthesize nanocarbon nanoparticles composites. Using selfassembled thermal embedding technique, thin films have been fabricated for the detection of chemical molecules as well as enzyme free detection of biomolecules.

SPEAKER BIOGRAPHY:
Dr. Vasuda Bhatia is a professor at Amity Institute of Renewable and Alternative Energy and Amity Institute of Advanced Research and Studies, Amity University, India. She received her B.Tech. (Bachelors of Technology) in Materials and Metallurgical Engineering from Indian Institute of Technology (IIT) Kanpur, India in 1995, MS in Materials Science from the University of Cincinnati in 1997 and the Ph.D. in Electrical Engineering from Texas A&M University in 2001. She was research scientist at Stellar Micro Devices, Austin, Texas; visiting faculty at IIT
Kanpur, India and research associate at Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, India. Her research interests include synthesis, characterization and device applications of nanomaterials; materials for renewable energy applications; field emission devices and materials and development of sensors and sensing devices for bio, chemical and gas applications.

AGENDA:

  • 11:30 am – Registration & light lunch (pizza & drinks)
  • Noon – Presentation & Questions/Answers
  • 1:00 pm – Adjourn
COST: FREE

 

Please RSVP here to make sure we have enough lunch.