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Related Experiment Video

Updated: Feb 11, 2026

External Excitation of Neurons Using Electric and Magnetic Fields in One- and Two-dimensional Cultures

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Published on: May 7, 2017

Nonvolatile Electrical Modulation of Magnetization Switching Process in Patterned SrRuO₃ Thin Films.

Hao Zhou^1,2, Zhe Zhang^1,2, XingYu Hou^1,2

¹Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, China.

Small (Weinheim an Der Bergstrasse, Germany)

|February 10, 2026

Summary

Fabrication structure significantly impacts magnetization switching in strontium ruthenium oxide (SrRuO3) films. Geometric effects and electrical bias enable voltage-controlled magnetic switching for advanced memory applications.

Keywords:

magnetization switching microfabrication nonvolatile oxide heterostructures

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Area of Science:

Materials Science
Condensed Matter Physics
Nanotechnology

Background:

Magnetization switching is crucial for high-density, ultrafast, non-volatile spintronic devices.
Previous studies focused on interfacial or thickness effects, leaving fabrication structure impacts underexplored.

Purpose of the Study:

Investigate geometric and boundary effects on magnetotransport in patterned strontium ruthenium oxide (SRO) films.
Explore non-volatile electrical modulation of magnetization in multiferroic SRO films.

Main Methods:

Advanced micro/nanoscale processing for fabricating patterned SRO films.
Micromagnetic simulations to validate experimental observations.
Electrical measurements of magnetoresistance (MR) and coercive field modulation.

Main Results:

Channel miniaturization to 1 micrometer increased saturation field from 9 to 32.5 kOe.
Edge magnetic anisotropy induced multi-step magnetization switching.
Voltage-controlled magnetic switching observed in 2.6 nm SRO films, altering coercive field by ±9 V.

Conclusions:

Geometric and boundary effects significantly influence magnetization switching in SRO films.
Electrical modulation of magnetization is achievable in multiferroic SRO, driven by ferroelectric polarization and antiferromagnetism.
This voltage-controlled switching mechanism is promising for multistate memory and artificial synapses.