Abstract

The features of the propagation of spin waves in a composite multiferroic structure consisting of two magnonic crystals and a ferroelectric layer are considered. During the propagation of spin waves in such a structure, the formation of band gaps takes place, the position of which depends on the method of excitation of coupled structure and dielectric constant of ferroelectric. This effect can be taken as the basis for the operation of a logical element that allows implementing AND and OR operators. The results of theoretical and experimental studies of spin-wave processes in this structure are presented.

Highlights

  • A new branch of electronics – magnonics [1] is actively developing

  • It is seen that when a signal is applied to one magnonic crystal, two bandgaps are formed at frequencies f1 and f2, respectively

  • When a signal is applied to both magnonic crystals, one bandgap at frequency f1 are formed

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Summary

Introduction

A new branch of electronics – magnonics [1] is actively developing. Due to the massive growth in the amount of information in the world, the important task is to find alternative solutions for implementing processors with a neuromorphic architecture to quickly process this information, since neuromorphic chips using CMOS semiconductor technology of super-large integrated circuits do not scale well and do not meet the expected energy consumption parameters. The rapid development of spin-wave electronics technology [2], scalable up to several nanometers, opens up the possibility of creating such architectures, including due to the possibility of integration with magnetoresistive and ferroelectric memory. The tasks of implementing magnonic information processing devices are very relevant for modern electronics

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Conclusion

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