UCLA scientists may have just cracked the code for the next big leap in smartphone technology. In a discovery that could reshape how chips are made, researchers have figured out a way to build semiconductors that use electron spin—not just charge—to run faster and cooler. The result? Future phones and laptops could be thinner, run cooler, and last longer on a single charge.
This breakthrough focuses on “spintronics,” a next-gen approach to electronics that taps into the natural magnetic properties of electrons. Traditional chips rely on electric current, which creates heat and wastes energy. But spintronics flips the script by using the direction of electron spin to process information with far less energy loss.
Until now, one of the biggest challenges was how to make semiconductors that were magnetic enough to be useful. UCLA’s research team solved that by stacking atom-thin layers of semiconductors with magnetic atoms, boosting magnetic concentration to an unprecedented 50%—ten times higher than what was possible before. According to the university, this method has already produced over 20 new materials and is currently being patented.
Beyond powering consumer electronics more efficiently, this breakthrough could also help reduce the massive energy and water consumption of AI data centers, which are increasingly criticized for their environmental impact.
With better magnetic semiconductors, quantum computers may no longer need extreme cold to operate—bringing them one step closer to real-world use. And because the chips themselves could be made smaller, laptops and devices could shrink in size while gaining even more power under the hood.
It’ll be a few years before we see this tech inside consumer gadgets, but the promise is clear: smaller, greener, and far more capable devices—all thanks to a clever twist on how electrons behave.
To learn more about the research, head to UCLA Newsroom.
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