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A New Type of Superconductor That Acts Like a Magnet

Doggy
88 日前

Supercondu...Magnetic M...Graphene a...

Overview

Defying Conventional Wisdom: The Coexistence of Superconductivity and Magnetism

In the United States, MIT researchers have shattered a longstanding paradigm with their astonishing discovery. Historically, scientists believed that superconductivity—the phenomenon where materials conduct electricity with zero resistance—could not coexist with magnetism because they were thought to be incompatible. Yet, recent experiments involving specially layered graphene in a rhombohedral arrangement have demonstrated otherwise. When cooled to temperatures approaching absolute zero, this material not only becomes superconducting but also exhibits an intrinsic magnetic property—something once thought impossible. Imagine a material that conducts electricity flawlessly and simultaneously behaves as a magnet; it’s like discovering a new elemental ingredient that combines two potent, previously incompatible forces. This astounding breakthrough signals that our fundamental understanding of physics is evolving, and it opens up uncharted pathways for developing devices with multifunctional capabilities that blend superconductivity and magnetism seamlessly.

Transformative Impacts: From Medical Devices to Transportation Innovation

This discovery is not just a scientific curiosity; it is a catalyst for revolutionary changes across various industries. Take MRI machines, for example—their incredible strength depends on superconducting magnets. Now, imagine making these devices more compact, more powerful, and energy-efficient by integrating superconductors that are inherently magnetic. The potential here is enormous—smaller devices, lower operating costs, and enhanced imaging clarity. Likewise, in transportation, the dream of ultra-fast magnetic levitation trains, or maglevs, could become a reality, benefiting from materials that combine high-temperature superconductivity with magnetism. Visualize sleek trains gliding silently and effortlessly over tracks, powered by magnets that generate minimal heat—thanks to this groundbreaking material property. Furthermore, the realm of quantum computing stands to benefit massively; these magnetic superconductors could provide the stability needed for delicate quantum states, propelling us toward faster, more powerful quantum processors. This isn’t just theory; it’s a glimpse into a future where industries are transformed by the convergence of two once-opposite properties, promising efficiencies and capabilities never before imagined.

Everyday Materials Emerge as Future Game-Changers

What makes this advancement even more exciting is the realization that such extraordinary properties are emerging from materials as commonplace as graphite. Yes, graphite—the same material in your pencil lead—can, under specific conditions, exhibit these remarkable behaviors. When layered in precise arrangements and cooled to cryogenic temperatures, tiny flakes of graphite can switch between superconducting and magnetic states, essentially functioning as tiny, versatile components of futuristic devices. Picture a simple graphite sheet serving as a levitating platform or as a core element in energy storage systems, all thanks to its newfound quantum properties. This suggests a landscape where everyday materials could, with clever engineering, underpin next-generation technologies—making high-performance magnets and superconductors more accessible and sustainable. As research progresses, what was once considered mundane might become the backbone of revolutionary advancements—bringing into reality a world where simple materials unlock extraordinary capabilities and reshape how we think about and use technology in our daily lives.


References

  • https://phys.org/news/2025-05-newly...
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