New solid‑state atomic channel enables efficient rare‑earth element separation

Researchers have introduced a solid‑state “atomic channel” designed to separate rare‑earth elements. The device operates at the atomic scale, guiding individual ions through a precisely engineered pathway. By using a solid‑state structure, the method avoids the need for liquid chemicals traditionally used in extraction. The approach promises a cleaner route for purifying rare‑earth metals. Early tests indicate the channel can differentiate among elements with similar chemical properties. Improved separation efficiency could reduce environmental impact of rare‑earth mining. The technology may help meet growing demand for rare‑earths in electronics and clean energy. Researchers plan further scaling studies and integration with existing processing lines.