AUTHOR=Du Xiuzhi , Huang Zhaoming TITLE=The prediction of X2B6 monolayers with ultrahigh carrier mobility JOURNAL=Frontiers in Physics VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2024.1534301 DOI=10.3389/fphy.2024.1534301 ISSN=2296-424X