This Strange Material Can Turn Superconductivity on and off Like a Switch
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Researchers have discovered a new way to control superconductivity in a material by adjusting its environment, potentially paving the way for more efficient electronics. The team used twisted bilayer graphene to demonstrate that subtle environmental tuning can reshape electron behavior and turn superconductivity on and off.
Scientists have found a new method to influence superconductivity by adjusting a material's environment. Researchers at Ohio State University used twisted bilayer graphene, a material made by stacking two layers of carbon with a slight rotation, to demonstrate this concept. By placing the material on a synthetic substrate called strontium titanate, they were able to monitor and adjust electron interactions, turning superconductivity on and off. The discovery could help design materials that operate as superconductors at higher temperatures, potentially even at room temperature. This breakthrough has significant implications for electronics, power transmission, and communication systems. The findings were published in the journal Nature Physics on April 7.
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