AUTHOR=Muhammud Agraw Mulat , Edossa Gemechu Deressa , Sabir Fedlu Kedir TITLE=High-performance nanostructured SiO2 from Ethiopian pumice: synthesis and characterization JOURNAL=Frontiers in Materials VOLUME=Volume 12 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2025.1566490 DOI=10.3389/fmats.2025.1566490 ISSN=2296-8016