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Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals

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Magnetic Interconnects Based on Composite Multiferroics.

Alexander Khitun¹

¹Electrical Engineering Department, University of California Riverside, Riverside, CA 92521, USA.

|November 24, 2022

Summary

We developed a novel magnetic interconnect using multiferroic composites for magnetic logic devices. This design enables constant amplitude magnetic signal transmission, overcoming damping issues in conventional technologies.

Keywords:

interconnects magnetic logic devices synthetic multiferroic

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Area of Science:

Materials Science
Condensed Matter Physics
Electrical Engineering

Background:

Magnetic logic devices require efficient magnetic signal transmission.
Conventional interconnects face challenges like fast signal damping.
Novel interconnects are crucial for advancing magnetic computing.

Purpose of the Study:

To introduce a new magnetic interconnect based on composite multiferroics.
To enable constant amplitude magnetic signal propagation.
To address signal damping issues in magnetic data transmission.

Main Methods:

Utilized a composite multiferroic material combining piezoelectric and magnetostrictive properties.
Modeled the interconnect as a parallel plate capacitor with a magnetoelastic material.
Employed the Landau-Lifshitz-Gilbert equation with electric field-dependent anisotropy for numerical simulations.

Main Results:

Demonstrated constant magnetic signal amplitude during propagation via stress-mediated coupling.
Achieved estimated magnetic signal group velocities up to 10^5 m/s.
Calculated low energy dissipation below 10^-18 J per bit per 100 nm.

Conclusions:

The proposed multiferroic interconnect offers reliable, low-energy magnetic data transmission.
This technology can benefit various magnetic logic devices and architectures.
Further research is needed to address physical limits and practical implementation challenges.