A laboratory in the U.S. has built high-purity gas conversion and purification systems for silane and germane to boost quantum material development.
A Washington-based laboratory has taken a major step that can help boost production of quantum material s. The Pacific Northwest National Laboratory has successfully designed and built high-purity gas conversion and purification systems for silane and germane.
The laboratory revealed that these two gases are essential for U.S. research and development in quantum information science and other advanced technology areas. They are both used in the semiconductor industry to deposit thin films of silicon and germanium for advanced computing chips, among other uses.Providing high-purity materials necessary to unlock breakthroughs“Our investment to strengthen the supply chain for these specialized materials is more than just a scientific achievement; it’s a strategic imperative for the Genesis Mission,” stated Christopher Landers, Director of the Office of Isotope R&D and Production. “Our work at PNNL is directly tackling the challenge of providing the high-purity materials necessary to unlock breakthroughs in quantum information science and other areas of national importance. We are giving our scientists and industries the foundational tools needed to drive innovation in quantum computing and AI. These advances are solidifying America’s technological edge, as outlined in the Genesis Mission.”PNNL continues research to further isotopically enrich silane and germaneWith the support of IRP, PNNL continues research to further isotopically enrich silane and germane using enhanced thermal diffusion isotope separation technologies. PNNL has previously developed such systems for enriching argon and chlorine, but additional research is required to design and safely operate TDIS systems enriching silane and germane, according to a press release. PNNL’s expertise implementing rigorous safety measures for TDIS systems includes developing automated control systems. These controls monitor hundreds of process variables and notify operators if conditions drift outside target levels. “Isotopic dilution of enriched silicon is a challenging problem,” said Mike Powell, the project principal investigator. “But we carefully designed our systems and handling procedures to maintain the starting feedstock isotopic purity through to the final silane and germane products.”
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