Shape, strain and spin texture as a modern triad for magnetic materials

Area of Science:

• Condensed matter physics
• Materials science
• Nanotechnology

Background:

• Curvilinear magnetism leverages geometric curvature and topology for nanoscale chiral and anisotropic responses.
• It offers an alternative to traditional material screening for property tailoring.
• Current research predominantly uses mean-field micromagnetics to predict magnetic microstructures.

Purpose of the Study:

• To review novel phenomena in curvilinear magnetism, including inhomogeneous strains and curvature-induced magnetoelectric coupling.
• To discuss the relevance of these phenomena for designing 'metageometric' materials.
• To highlight opportunities for energy-efficient nanoelectronic devices.

Main Methods:

• Review of recent advancements in curvilinear magnetism research.
• Discussion of computational approaches like mean-field micromagnetics.
• Exploration of the interplay between geometry, strain, and magnetoelectric effects.

Main Results:

• Emergence of curvilinear magnetism as a key approach for tailored nanoscale responses.
• Growing attention to the roles of inhomogeneous strains and curvature-induced magnetoelectric coupling.
• Identification of 'metageometric' materials as a new design paradigm.

Conclusions:

• Advances in geometrically engineered magnetic nanostructures are crucial.
• These advances offer potential for energy-efficient and scalable nanoelectronic devices.
• Curvilinear magnetism presents exciting opportunities for future technological applications.