Introduction to Altermagnetism
Experiments have only recently confirmed the existence of altermagnetic materials, but they are already generating significant interest.
Author: Jennifer Newton
Until recently, the concept of magnonics and altermagnets was unfamiliar to me. However, after reading Rachel Brazil's feature, I became intrigued by these topics.
Understanding Ferromagnetism and Antiferromagnetism
Our understanding of ferromagnetism dates back thousands of years, with early civilizations observing it in naturally magnetized minerals like lodestone (magnetite). In ferromagnetic materials, the intrinsic magnetic dipole moments align in parallel, producing a net magnetic field.
In contrast, antiferromagnetism occurs when neighboring magnetic dipole moments align in opposite directions, cancelling each other out.
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Altermagnets have the potential to play a role in the field of magnonics, and their unique properties are worth exploring further.
Author's summary: Altermagnetism is a newly confirmed type of magnetic material.
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