Magnets used in quantum computers need ultra-low temperatures to operate. A new discovery could radically change that.
Magnets are ubiquitous in modern-day devices ranging from smartphones to motors of electric vehicles and solid-state drives. They also have a role to play in quantum computing as enablers of the speed of computation.
The drawback, though, is that these magnets need extremely low temperatures to work, and since the magnets cannot be cooled in isolation, the entire computing system needs to be cooled down to nearly absolute zero temperatures, making it difficult to use quantum computers.A research team led by Ahmed El-Gendy, a professor of physics at UTEP, has been working since 2019 to create a new set of magnetic materials that can work at regular temperatures.
An interesting feature of this magnet is that it is not made from rare Earth minerals. "All magnets are currently made from rare Earth materials, and we have a shortage of them,” said El-Gendy. “We’re going to face a problem soon of not having these materials to make magnets for any industry. Imagine if we get to that point.".
Quantum computing could potentially revolutionize the world by solving complex computations that could help address challenges in the areas of drug discovery as well as climate change. These computers could replace the many supercomputers deployed in different parts of the world. The work done by UTEP researchers is a major boost to making quantum computers more mainstream as they can be operated more easily. "No one has prepared a material like this before. I think we could go make a quantum computer at room temperature with this," El-Gendy added.Intensive studies are published for graphene-based molecular magnets due to their remarkable electric, thermal, and mechanical properties.
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