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Ferromagnetism

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Materials like iron, nickel, and cobalt consist of magnetic domains, within which the magnetic dipoles are arranged parallel to each other. The magnetic dipoles are rigidly aligned in the same direction within a domain by quantum mechanical coupling among the atoms. This coupling is so strong that even thermal agitation at room temperature cannot break it. The result is that each domain has a net dipole moment. However, some materials have weaker coupling, and are ferromagnetic at lower...

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Updated: Mar 30, 2026

Optimized Setup and Protocol for Magnetic Domain Imaging with In Situ Hysteresis Measurement

Optimized Setup and Protocol for Magnetic Domain Imaging with In Situ Hysteresis Measurement

Published on: November 7, 2017

Functional domain walls in multiferroics.

¹Department of Materials, ETH Zürich, 8092 Switzerland.

Journal of Physics. Condensed Matter : an Institute of Physics Journal

|November 3, 2015

Summary

This summary is machine-generated.

Domain walls in multiferroic materials exhibit fascinating electronic and spin properties, offering potential for nanoelectronics. Further research is needed to overcome challenges in fundamental physics and materials science for device realization.

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Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides

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Published on: May 29, 2018

Area of Science:

Condensed Matter Physics
Materials Science
Nanotechnology

Background:

Domain walls in multiferroic bulk systems show diverse phenomena like unusual electronic conductance and entangled spin-charge degrees of freedom.
These domain walls are quasi-2D functional objects controllable on demand, presenting significant potential for future nanoelectronics.
Current challenges in realizing device paradigms lie in fundamental condensed matter physics and materials science.

Purpose of the Study:

To review seminal experimental findings on electric and magnetic domain walls in multiferroic bulk materials.
To focus on physical properties emerging at charged domain walls and functionality from coexisting magnetic order.
To highlight persistent challenges and identify future research directions for functional domain walls in multiferroics.

Main Methods:

Topical review of experimental findings.
Focus on charged domain walls and coexisting magnetic order.
Analysis of nanoscale physics and material properties.

Main Results:

Discovery of novel correlation phenomena at domain walls in multiferroic systems.
Demonstration of unique electronic and spin properties at domain walls.
Emergence of added functionality due to coexisting magnetic order at charged domain walls.

Conclusions:

Domain walls in multiferroics offer a new frontier in nanoscale physics.
Significant challenges remain in fundamental physics and materials science for device applications.
Future research should focus on exploring the detailed physics and functionality of these domain walls.