Journal of Applied Physics, volume 117, issue 4, pages 44901

Resistive switching and synaptic properties of fully atomic layer deposition grown TiN/HfO2/TiN devices

Publication typeJournal Article
Publication date2015-01-26
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor3.2
ISSN00218979, 10897550
General Physics and Astronomy
Abstract

Recently proposed novel neural network hardware designs imply the use of memristors as electronic synapses in 3D cross-bar architecture. Atomic layer deposition (ALD) is the most feasible technique to fabricate such arrays. In this work, we present the results of the detailed investigation of the gradual resistive switching (memristive) effect in nanometer thick fully ALD grown TiN/HfO2/TiN stacks. The modelling of the I-V curves confirms interface limited trap-assisted-tunneling mechanism along the oxygen vacancies in HfO2 in all conduction states. The resistivity of the stack is found to critically depend upon the distance from the interface to the first trap in HfO2. The memristive properties of ALD grown TiN/HfO2/TiN devices are correlated with the demonstrated neuromorphic functionalities, such as long-term potentiation/depression and spike-timing dependent plasticity, thus indicating their potential as electronic synapses in neuromorphic hardware.

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Matveyev Y. et al. Resistive switching and synaptic properties of fully atomic layer deposition grown TiN/HfO2/TiN devices // Journal of Applied Physics. 2015. Vol. 117. No. 4. p. 44901.
GOST all authors (up to 50) Copy
Matveyev Y., Egorov K., Markeev A., Zenkevich A. Resistive switching and synaptic properties of fully atomic layer deposition grown TiN/HfO2/TiN devices // Journal of Applied Physics. 2015. Vol. 117. No. 4. p. 44901.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1063/1.4905792
UR - https://doi.org/10.1063%2F1.4905792
TI - Resistive switching and synaptic properties of fully atomic layer deposition grown TiN/HfO2/TiN devices
T2 - Journal of Applied Physics
AU - Matveyev, Y.
AU - Egorov, K.
AU - Markeev, A.
AU - Zenkevich, A
PY - 2015
DA - 2015/01/26 00:00:00
PB - American Institute of Physics (AIP)
SP - 44901
IS - 4
VL - 117
SN - 0021-8979
SN - 1089-7550
ER -
BibTex |
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BibTex Copy
@article{2015_Matveyev,
author = {Y. Matveyev and K. Egorov and A. Markeev and A Zenkevich},
title = {Resistive switching and synaptic properties of fully atomic layer deposition grown TiN/HfO2/TiN devices},
journal = {Journal of Applied Physics},
year = {2015},
volume = {117},
publisher = {American Institute of Physics (AIP)},
month = {jan},
url = {https://doi.org/10.1063%2F1.4905792},
number = {4},
pages = {44901},
doi = {10.1063/1.4905792}
}
MLA
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MLA Copy
Matveyev, Y., et al. “Resistive switching and synaptic properties of fully atomic layer deposition grown TiN/HfO2/TiN devices.” Journal of Applied Physics, vol. 117, no. 4, Jan. 2015, p. 44901. https://doi.org/10.1063%2F1.4905792.
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