Researchers developed an yttrium doped nickel catalyst that creates stable oxygen vacancies to improve ammonia decomposition for clean hydrogen production.

The price of yttrium, a rare-earth metal used in electronics and defense applications, has risen by a factor of around 140 since China started imposing new export controls in early 2025.

American firms face deepening yttrium and scandium shortages, threatening jet engine coatings and 5G chip production.

By Allison Lampert, Laurie Chen, Lewis Jackson and Michael Martina MONTREAL/BEIJING/WASHINGTON, Feb 26 (Reuters) - Suppliers to U.S. aerospace and semiconductor firms face worsening rare earth ...