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Frequency response of metal-oxide memristors

Frequency response of metal-oxide memristors
Frequency response of metal-oxide memristors
Memristors have been at the forefront of nanoelectronics research for the last decade, offering a valuable component to reconfigurable computing. Their attributes have been studied extensively along with applications that leverage their state-dependent programmability in a static fashion. However, practical applications of memristor-based AC circuits have been rather sparse, with only a few examples found in the literature where their use is emulated at higher frequencies. In this work, we study the behavior of metal-oxide memristors under an AC perturbation in a range of frequencies, from 10^3 to 10^7 Hz. Metal-oxide memristors are found to behave as RC low-pass filters and they present a variable cut-off frequency when their state is switched, thus providing a window of reconfigurability when used as filters. We further study this behaviour across distinct material systems and we show that the usable reconfigurability window of the devices can be tailored to encompass specific frequency ranges by amending the devices' capacitance. This study extends current knowledge on metal-oxide memristors by characterising their frequency dependent characteristics, providing useful insights for their use in reconfigurable AC circuits.
Memristor, AC, Frequency, Analogue, reconfigurable, Impedance, RRAM
1557-9646
Manouras, Vasileios
560dba43-4b76-44e0-ba9a-25ed2bcdd953
Stathopoulos, Spyros
98d12f06-ad01-4708-be19-a97282968ee6
Garlapati, Suresh K
dd6c248d-65ac-4a68-b843-0ac6be63ace6
Serb, Alexantrou
30f5ec26-f51d-42b3-85fd-0325a27a792c
Prodromakis, Themistoklis
d58c9c10-9d25-4d22-b155-06c8437acfbf
Manouras, Vasileios
560dba43-4b76-44e0-ba9a-25ed2bcdd953
Stathopoulos, Spyros
98d12f06-ad01-4708-be19-a97282968ee6
Garlapati, Suresh K
dd6c248d-65ac-4a68-b843-0ac6be63ace6
Serb, Alexantrou
30f5ec26-f51d-42b3-85fd-0325a27a792c
Prodromakis, Themistoklis
d58c9c10-9d25-4d22-b155-06c8437acfbf

Manouras, Vasileios, Stathopoulos, Spyros, Garlapati, Suresh K, Serb, Alexantrou and Prodromakis, Themistoklis (2021) Frequency response of metal-oxide memristors. IEEE Transactions on Electron Devices. (In Press)

Record type: Article

Abstract

Memristors have been at the forefront of nanoelectronics research for the last decade, offering a valuable component to reconfigurable computing. Their attributes have been studied extensively along with applications that leverage their state-dependent programmability in a static fashion. However, practical applications of memristor-based AC circuits have been rather sparse, with only a few examples found in the literature where their use is emulated at higher frequencies. In this work, we study the behavior of metal-oxide memristors under an AC perturbation in a range of frequencies, from 10^3 to 10^7 Hz. Metal-oxide memristors are found to behave as RC low-pass filters and they present a variable cut-off frequency when their state is switched, thus providing a window of reconfigurability when used as filters. We further study this behaviour across distinct material systems and we show that the usable reconfigurability window of the devices can be tailored to encompass specific frequency ranges by amending the devices' capacitance. This study extends current knowledge on metal-oxide memristors by characterising their frequency dependent characteristics, providing useful insights for their use in reconfigurable AC circuits.

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Frequency Response of Metal-Oxide Memristors - Accepted Manuscript
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More information

Accepted/In Press date: 6 May 2021
Keywords: Memristor, AC, Frequency, Analogue, reconfigurable, Impedance, RRAM

Identifiers

Local EPrints ID: 449227
URI: http://eprints.soton.ac.uk/id/eprint/449227
ISSN: 1557-9646
PURE UUID: 2470e35f-3c37-445a-ac0c-bbc7ad866ee5
ORCID for Spyros Stathopoulos: ORCID iD orcid.org/0000-0002-0833-6209
ORCID for Themistoklis Prodromakis: ORCID iD orcid.org/0000-0002-6267-6909

Catalogue record

Date deposited: 20 May 2021 16:31
Last modified: 15 Jul 2021 04:01

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Contributors

Author: Vasileios Manouras
Author: Suresh K Garlapati
Author: Alexantrou Serb

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