Scientists have created ultra-thin metal sheets just a few atoms thick using a new large-scale production method. These 2D sheets, made from bismuth, gallium, indium, tin, and lead, are hundreds of thousands of times thinner than a human hair.

Developed by researchers at the Chinese Academy of Physics, these sheets have extremely high electrical conductivity due to quantum confinement, which changes their properties at the atomic level.

Unlike older, complex methods, scientists used a simple hydraulic press to create air-stable 2D crystals over 100 micrometers wide. This breakthrough could transform electronics, leading to energy-efficient transistors, advanced chips, and ultra-sensitive detectors.

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