Magnetic skyrmion-based jk flip-flop with toroidal magnetic racetrack structure

A magnetic skyrmion and trigger technology, applied in pulse technology, pulse generation, electrical components, etc., can solve the problems of skyrmion retention, affecting the secondary use of devices, etc., and achieve the effect of maintaining performance
CN110233609BInactive Publication Date: 2020-10-30CHINA UNIV OF GEOSCIENCES (WUHAN)
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA UNIV OF GEOSCIENCES (WUHAN)
Publication Date
2020-10-30
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The invention discloses a magnetic skyrmion-based JK trigger with an annular magnetic track structure. The magnetic skyrmion is placed in the annular magnetic racing track; a voltage driving mode is adopted to enable the skyrmion to circularly move in the magnetic racing track, and the state of the skyrmion in the magnetic racing track is read through the magnetic tunnel junction, so that the logic function of the JK trigger is realized, and the stability of the JK trigger based on the skyrmion in use is ensured.
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Description

technical field

[0001] The invention relates to the field of JK flip-flops, in particular to a JK flip-flop based on magnetic skyrmions and having a circular magnetic track structure. Background technique

[0002] JK flip-flop is a relatively common device in logic devices and is an indispensable component in digital circuits. Traditional logic devices are generally prepared by CMOS technology. With the improvement of device integration, the defects of this semiconductor technology Gradually exposed: on the one hand, the leakage current of the transistor increases with the decrease of the size, and the power consumption of the device gradually increases; on the other hand, the transistor circuit gradually tends to the performance limit, and it will become very difficult to continue to increase the integration level.

[0003] Magnetic skyrmions are a magnetic structure with topological protection properties in magnetic materials. Due to their nanometer size (the smallest diam...

Claims

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