Paving the Way to Extremely Fast, Compact Computer Memory
Researchers discovered nickel iodide's exceptional magnetoelectric coupling, offering potential for compact computer memories. Irradiation with laser pulses revealed chiral helical magnetoelectric oscillations, paving the way for energy-efficient devices and quantum computing advancements.
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Researchers from The University of Texas at Austin and the Max Planck Institute for the Structure and Dynamics of Matter have discovered that nickel iodide (NiI2) exhibits exceptional magnetoelectric coupling, making it a promising candidate for fast and compact computer memories. This multiferroic material allows for the manipulation of magnetic properties with electric fields and vice versa. By irradiating NiI2 with ultrafast laser pulses, researchers observed unique chiral helical magnetoelectric oscillations, indicating potential applications in computer memory and other technologies. The study's findings open doors for energy-efficient magnetoelectric devices, quantum computing interconnects, and chemical sensors. The team's calculations attribute NiI2's strong magnetoelectric coupling to spin-orbit coupling effects and the specific magnetic order within the material. The research, led by Edoardo Baldini and Angel Rubio, sheds light on materials with similar properties and suggests avenues for enhancing magnetoelectric coupling in NiI2 through material engineering techniques. Funding for this research was provided by various organizations, including the U.S. National Science Foundation and the European Union's Horizon Europe program.
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