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A two-terminal perpendicular spin-transfer torque based artificial neuron

Title
A two-terminal perpendicular spin-transfer torque based artificial neuron
Author
박재근
Keywords
p-STT MTJ; p-STT neuron; integrate-and-fire
Issue Date
2018-09
Publisher
IOP PUBLISHING LTD
Citation
JOURNAL OF PHYSICS D-APPLIED PHYSICS, v. 51, no. 50, Article no. 504002
Abstract
A two-terminal perpendicular spin-transfer torque (p-STT) based neuron with a 100 x 100 nm device size was fabricated with a p-STT magnetic tunneling junction (MTJ) spin valve. It performed well in the integrate-and-fire event of the input voltage pulse (spike) cycles, which originate from the imperfect structure of the MgO tunneling barrier in a p-STT MTJ spin valve (i.e. a nano-scale poly-grain size distribution of the MgO tunneling barrier). In particular, the integrate-and-fire cycles rapidly increase as the input voltage pulse (spike) amplitude, width, and external assistant perpendicular magnetic field decrease.
URI
https://iopscience.iop.org/article/10.1088/1361-6463/aad592http://repository.hanyang.ac.kr/handle/20.500.11754/119963
ISSN
0022-3727; 1361-6463
DOI
10.1088/1361-6463/aad592
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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