Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session K33: Phase Change Materials, Memristors, and Neuromorphic Computing
8:00 AM–11:00 AM,
Wednesday, March 6, 2019
BCEC
Room: 204B
Sponsoring
Unit:
FIAP
Chair: Ali Gokirmak
Abstract: K33.00002 : Heat transfer as coupling mechanism in VO2-based neurons*
8:12 AM–8:24 AM
Presenter:
Javier Del Valle Granda
(University of California, San Diego)
Authors:
Javier Del Valle Granda
(University of California, San Diego)
Yoav Kalcheim
(University of California, San Diego)
Pavel Salev
(University of California, San Diego)
Ivan Schuller
(University of California, San Diego)
In this work, we show how volatile resistive switching in VO2 can be used to do such task. We use heat as a memory mechanism to implement “leaky integrate and fire”, a basic neural functionality. By keeping VO2 nanodevices at the edge of firing and using heat transfer as coupling mechanism, we show signal self-amplification when voltage spikes are transferred form one neuron to the next. This result is key towards the construction of completely scalable, resistive-switching based neuromorphic hardware.
*This research is supported by the Vannevar Bush Faculty Fellowship program, funded by the Office of Naval Research through grant N00014-15-1-2848. J.d.V. thanks Fundación Ramón Areces for their support.
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