A magnetonic crystal structure that controls the direction of spin wave propagation

A technology of propagation direction and crystal structure, applied in waveguide, waveguide-type devices, circuits, etc., can solve problems such as lack of spin waves

Active Publication Date: 2021-06-01
WUHAN INSTITUTE OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the control of spin waves mainly focuses on the control of the frequency of spin waves, but lacks the control of the direction of spin wave propagation.

Method used

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  • A magnetonic crystal structure that controls the direction of spin wave propagation

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Embodiment Construction

[0010] The present invention will be further described below with reference to specific examples and accompanying drawings.

[0011] The present invention provides a magnetonic crystal structure for controlling the propagation direction of spin waves, such as figure 1 As shown, it includes a magnetic ion layer 1, and a non-magnetic doped ion layer 2 arranged between the magnetic ion layers 1; according to the spin wave propagates to the non-magnetic doped ion layer 2, it will be quenched, and by controlling the non-magnetic ion layer 2 The ion arrangement of the doped ion layer 2 controls the propagation direction of the spin wave.

[0012] Further, the non-magnetic doped ion layer 2 may include at least two layers, which are arranged between the magnetic ion layers 1 at intervals; in the magnetic ion layer 1 between the non-magnetic doped ion layers 2, the spin waves form stationary The spin wave in the other magnetic ion layer 1 propagates in the opposite direction to the n...

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Abstract

The invention provides a magneton crystal structure for controlling the propagating direction of the spin wave, including magnetic ion layers, and non-magnetic doped ion layers arranged between the magnetic ion layers; according to the spin wave propagation to the non-magnetic doped ion layer It will be quenched, and the propagation direction of the spin wave can be controlled by controlling the ion arrangement of the non-magnetic doped ion layer. The present invention sets a non-magnetic doped ion layer in the magnetic ion layer, so that the spin wave will be quenched when it propagates to the non-magnetic doped ion layer, thereby controlling the spin wave by controlling the ion arrangement of the non-magnetic doped ion layer direction of propagation.

Description

technical field [0001] The invention belongs to the technical field of spin wave electronics applications, and in particular relates to a magnetron crystal structure for controlling the propagation direction of spin waves. Background technique [0002] The control of spin waves is a very critical step in the development of spin wave devices in the future. At present, the control of spin waves mainly focuses on the control of the frequency of the spin waves, and the control of the propagation direction of the spin waves is lacking. SUMMARY OF THE INVENTION [0003] The technical problem to be solved by the present invention is to provide a magnetonic crystal structure for controlling the propagation direction of spin waves. [0004] The technical solution adopted by the present invention to solve the above technical problems is: a magnetonic crystal structure for controlling the propagation direction of spin waves, which is characterized in that it includes a magnetic ion ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P3/18
CPCH01P3/18
Inventor 候华毅陈相柏
Owner WUHAN INSTITUTE OF TECHNOLOGY
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