Neural coding using telegraphic switching of magnetic tunnel junction

Title
Neural coding using telegraphic switching of magnetic tunnel junction
Authors
박완준
Keywords
FIRE NEURONS; MEMRISTOR; SYNAPSES; NETWORK
Issue Date
2015-04
Publisher
AMER INST PHYSICS
Citation
JOURNAL OF APPLIED PHYSICS, v. 117, NO 17, Page. 177141-177144
Abstract
In this work, we present a synaptic transmission representing neural coding with spike trains by using a magnetic tunnel junction (MTJ). Telegraphic switching generates an artificial neural signal with both the applied magnetic field and the spin-transfer torque that act as conflicting inputs for modulating the number of spikes in spike trains. The spiking probability is observed to be weighted with modulation between 27.6% and 99.8% by varying the amplitude of the voltage input or the external magnetic field. With a combination of the reverse coding scheme and the synaptic characteristic of MTJ, an artificial function for the synaptic transmission is achieved. (C) 2015 AIP Publishing LLC.
URI
http://scitation.aip.org/content/aip/journal/jap/117/17/10.1063/1.4914071http://hdl.handle.net/20.500.11754/23887
ISSN
0021-8979; 1089-7550
DOI
http://dx.doi.org/10.1063/1.4914071
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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