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

Inactive Publication Date: 2020-10-30
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The magnetic skyrmion logic devices proposed so far are all straight track structures, and the logic function is realized by driving the skyrmions generated at the input to the output. This structure will cause such devices to make skyrmions after operation Mingzi stays in the device, which affects the secondary use of the device

Method used

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

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Embodiment Construction

[0025] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.

[0026] The scheme that the present invention solves the above problems is as follows:

[0027] figure 1Schematic diagram of the circular magnetic track structure used in this patent: the entire circular track can be divided into four sections, of which 1,3 are straight tracks, 2,4 are curved tracks, and each track is composed of electrode layer 6 , a dielectric layer 7 and a ferromagnetic layer 8, and an MTJ (magnetic tunnel junction 5) is set under the straight track 3, that is, the ferromagnetic layer 8, the insulating layer 9 and the ferromagnetic layer 10 together form an MTJ for detecting ferromagnetic The state of skyrmions in layer 8. As a preferred embodiment of the present invention, the track 1 and the track...

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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.

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...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K3/012
CPCH03K3/012
Inventor 晋芳饶恒畅赵植董凯锋宋俊磊莫文琴
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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