AI Insight
This study identifies and characterizes ferroelastic altermagnets in NiAs-type monolayer materials, which exhibit a unique combination of magnetic and elastic properties. The researchers demonstrate that these materials display anomalous Hall conductivity despite having zero net magnetization, along with significant magnetoresistance and elastoresistance effects. Through computational screening, they identify promising candidate materials that could enable control of electronic and magnetic properties through mechanical strain.
Why it matters
These materials could enable new types of spintronic and electronic devices that are controlled by mechanical deformation rather than magnetic or electric fields. The combination of altermagnetic ordering with ferroelastic properties opens pathways for energy-efficient memory and logic devices, as well as sensitive strain sensors that exploit both magnetic and electronic responses.
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