A nanofluid-based interface memristor and its preparation and application

A memristor and interface technology, applied in the field of interface memristor, can solve the problem that it is difficult to ensure the low variance requirements of neural synapses for analog devices.

Active Publication Date: 2020-12-08
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Both are difficult to guarantee the low variance requirements of synapses on analog devices

Method used

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  • A nanofluid-based interface memristor and its preparation and application
  • A nanofluid-based interface memristor and its preparation and application
  • A nanofluid-based interface memristor and its preparation and application

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Embodiment 1

[0055] like figure 1 As shown, in the nanofluid memristor of the present invention, liquid storage tanks are arranged at the left and right ends, the two liquid storage tanks on the same end are connected with a micro-channel to communicate, and a nano-channel is arranged between the two micro-channels, Nano-channels connecting with micro-channels can be fabricated by using micro-nano electronic technology.

[0056] A KCl solution (the concentration of KCl solution can be, for example, 100 mM) is applied to the left reservoir of the device, and an ionic conductor [BMIM][PF6] is applied to the right reservoir, due to the interaction of the nanochannel with the KCl solution. With ion selectivity, most of the channel is cation-potassium ions. Driven by a voltage, the movement of a large number of potassium ions generates frictional force to drive the liquid to flow (this phenomenon is called electroosmotic flow), thereby realizing the interface movement between the KCl solution ...

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Abstract

The invention belongs to the field of micro-nano electronics technology, and specifically discloses a nanofluid-based interface memristor and its preparation and application. The liquid channel of the liquid; there is a difference in conductivity between the first liquid and the second liquid, and the two are immiscible with each other, and at the same time, only the first liquid can make the nanochannel ion-selective to the first liquid Function: By applying a voltage to the nanochannel, the liquid interface in the nanochannel moves under the electric field to change the resistance of the nanochannel, or by reading the resistance value of the current corresponding to the nanochannel, the memristor can be realized respectively. Write and read functions. The present invention utilizes the nanofluid formed by the first liquid and the second liquid in the nanochannel, uses an electric field to drive two different conductivity and mutually immiscible solutions to move in the nanochannel, realizes the resistance change, and constructs a nanofluid-based interface memristor.

Description

technical field [0001] The invention belongs to the technical field of micro-nano electronics, and more particularly, relates to a nanofluid-based interface memristor and its preparation and application. The memristor is a nanofluidic memristor based on two immiscible solutions with different conductivity, such as a nanofluidic memristor based on KCl solution-ionic conductor [BMIM][PF6]; the corresponding preparation and follow-up Specifically, the application process may be to first prepare a channel with nano-scale depth, width and length through a micro-nano process, and inject two solutions into the liquid reservoir, and then control the movement of the solution by applying a voltage to achieve resistive characteristics. Background technique [0002] Memristor is the fourth basic passive electronic device besides resistors, capacitors and inductors. "Cai Shaotang" first inferred the existence of this element in the 1970s when he studied the relationship between charge, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L45/00
CPCH10N70/20H10N70/801H10N70/881H10N70/011
Inventor 缪向水何毓辉张艳张盼黄卓
Owner HUAZHONG UNIV OF SCI & TECH
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