# Solid-state 'atomic channel' enables rare earth element separation

Researchers have developed a solid-state device that uses atomic-scale channels to separate rare earth elements from mixtures. This method could offer a more efficient and environmentally friendly alternative to conventional chemical separation processes. The advancement is significant for industries relying on rare earths, such as electronics and clean energy.

**Importance:** 3/5

## Sources

### Technology
- [Hacker News](https://pme.uchicago.edu/news-events/news/cleaner-route-purifying-rare-earth-elements) — Thu, 23 Jul 2026 18:13:03 +0000