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Scientists develop atom-thin magnetic material that cuts memory chip energy use tenfold

By DigiconAsia Editors | Thursday, October 2, 2025, 11:57 AM Asia/Singapore

Scientists develop atom-thin magnetic material that cuts memory chip energy use tenfold

The integration of ferromagnetism and anti-ferromagnetism into a single two-dimensional crystal structure will eliminating the need for power-hungry multi-layer systems.

Researchers at Chalmers University of Technology in Sweden have developed a novel atomically thin material that could revolutionize memory chip technology by reducing energy consumption by a factor of 10.

This breakthrough material uniquely integrates two opposing magnetic forces — ferromagnetism and anti-ferromagnetism — within a single two-dimensional crystal structure, which had previously been achievable only through complex multi-layer systems.

By combining these magnetic states, the material produces an internal force with a tilted magnetic alignment that enables electrons to switch directions rapidly without the need for external magnetic fields, significantly lowering power demands.

The need for this innovation comes as digital data processing is projected to account for nearly 30% of global energy consumption in the coming decades. Currently, AI data centers account for about 1.5% (average global rate) to 4.4% (USA) of electricity demand, with estimates suggesting consumption could triple by 2028. Memory units are among the largest energy consumers in these infrastructures, crucial for numerous technologies including autonomous vehicles, smartphones, and medical devices.

According to the lead author of the study published in Advanced Materials that announced the development of the new material, when memory devices can operate more efficiently, there will be major potential for applications in AI, mobile, computer- and data processing applications. The research team’s new approach can also simplify manufacturing, as the material’s layers are held together by van der Waals forces rather than chemical bonds, enhancing reliability and ease of production.

The research team has emphasized that integrating these magnetic forces in a single crystal structure — as opposed to multilayer designs — marks a fundamental advance. This development not only promises drastic energy savings but also supports faster, smaller, and more reliable memory chips essential for the rapidly advancing digital age.

In time, the material can create new avenues for creating ultra-efficient memory solutions, addressing the growing global energy crisis linked to data storage and processing technologies.

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