Researchers have innovated a method to manipulate tiny magnetic states in 2D van der Waals magnets, potentially enabling the creation of advanced memory devices and new computer types. Their breakthrough allows for the control of magnetic domains using minimal energy, opening doors to faster, more efficient computing technologies, including the development of probabilistic computers that mimic neural connections in the brain. Credit: SciTechDaily.
Imagine a future where computers can learn and make decisions in ways that mimic human thinking, but at a speed and efficiency that are orders of magnitude greater than the current capability of computers.A research team at the University of Wyoming created an innovative method to control tiny magnetic states within ultrathin, two-dimensional van der Waals magnets — a process akin to how flipping a light switch controls a bulb.
Jifa Tian, an assistant professor in the University of Wyoming Department of Physics and Astronomy and interim director of UW’s Center for Quantum Information Science and Engineering. Credit: University of Wyoming The team developed a device known as a magnetic tunnel junction, which uses chromium triiodide — a 2D insulating magnet only a few atoms thick — sandwiched between two layers of. By sending a tiny electric current —called a tunneling current — through this sandwich, the direction of the magnet’s orientation of the magnetic domains can be dictated within the individual chromium triiodide layers, Tian says.
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