In a groundbreaking study, researchers at the University of Nottingham have unveiled a revolutionary new form of magnetism called altermagnetism. This discovery bridges two fundamental types of magnetism—ferromagnetism and antiferromagnetism—offering a unique property that could transform technologies like superconductivity, spintronics, and memory storage.
For decades, scientists recognized ferromagnetic materials as those where magnetic domains align in the same direction, ideal for memory applications. In contrast, antiferromagnetic materials have opposing domains but are less suitable for information storage due to their resilience against interference. Altermagnetism combines both strengths by introducing slight symmetry-breaking, creating unique electrical properties that enable faster, more durable data processing.
The defining feature of altermagnets is their ability to break time-reversal symmetry—a property previously thought exclusive to certain systems. This breakthrough allows for specific electrical phenomena, making them highly promising in spintronics applications where electron spin is key. Researchers tested this discovery using advanced microscopy and successfully fabricated devices, creating vortex textures that hold promise for practical use.
Altermagnetism’s implications extend far beyond the lab, offering potential advancements in superconductivity and energy-efficient computing. By integrating magnetic properties with superconducting systems, altermagnetism could pave the way for highly efficient energy transmission networks and advanced storage solutions. This discovery not only challenges existing technologies but also opens new possibilities across various industries reliant on high-performance materials.
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Source: https://indiandefencereview.com/third-form-of-magnetism-superconductivity