Can the noble metals become superconductors?

This article explores a novel theoretical approach that suggests noble metals, specifically gold (Au), silver (Ag), and copper (Cu), could become superconductors when shaped into ultra-thin films below 1 nm in thickness. Using an advanced quantum confinement model and the Eliashberg theory, researchers predict that gold films around 0.5 nm thick could exhibit superconductivity at a critical temperature of 1.1 K, comparable to that of aluminum, a common superconducting material in quantum computing. This breakthrough could enable the development of ultra-thin superconducting films with the unique properties of noble metals, potentially advancing applications in electronics and quantum devices.

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