Practical method to make a discrete memristor based on the aqueous solution of copper sulfate

A new method to realize a discrete memristor is proposed. The device under study consists of a tube filled of aqueous saturated solution of copper sulfate which can be electrolyzed by using two asymmetric copper electrodes, one of which has a considerably smaller cross-sectional area than to the oth...

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Bibliographic Details
Published in:Applied physics. A, Materials science & processing Materials science & processing, 2016-06, Vol.122 (6), p.1-10, Article 602
Main Authors: Merrikh-Bayat, Farshad, Parvizi, Meysam
Format: Article
Language:English
Subjects:
Asymmetry
Characterization and Evaluation of Materials
Condensed Matter Physics
Copper
Devices
Electrodes
Hysteresis loops
Machines
Manufacturing
Memory devices
Nanotechnology
Optical and Electronic Materials
Physics
Physics and Astronomy
Processes
Resistors
Sulfates
Surfaces and Interfaces
Thin Films
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Summary:A new method to realize a discrete memristor is proposed. The device under study consists of a tube filled of aqueous saturated solution of copper sulfate which can be electrolyzed by using two asymmetric copper electrodes, one of which has a considerably smaller cross-sectional area than to the other one. It is shown both theoretically and experimentally that this device has exactly the properties of a memristor if it is designed such that the electrical field and the current density on the thinner electrode when it acts as anode are sufficiently large. Different aspects of the proposed discrete memristor, including pinched hysteresis loop, on-off resistance ratio and memory volatilization, are studied and experimental results are presented.
ISSN:0947-8396
1432-0630
DOI:10.1007/s00339-016-0132-6