US lab's new purification systems to boost quantum material production

The Pacific Northwest National Laboratory (PNNL) has developed advanced high-purity gas conversion and purification systems for silane and germane, two critical gases used in quantum information science and semiconductor manufacturing. These gases are essential for depositing thin films of silicon and germanium in advanced computing chips. This development supports the U.S. strategic goal of strengthening the supply chain for specialized materials vital to breakthroughs in quantum computing, artificial intelligence, and other advanced technologies, as emphasized by Christopher Landers from the Office of Isotope R&D and Production (IRP). PNNL is also advancing research to isotopically enrich silane and germane using enhanced thermal diffusion isotope separation (TDIS) technology, building on prior successes with argon and chlorine enrichment. This method aims to simplify production, reduce impurities, and ensure a stable supply of high-purity gases compatible with device manufacturing. The initiative underscores IRP’s commitment to creating resilient infrastructure for specialized materials, improving purity levels beyond current commercial capabilities, and supporting a broad