AUTHOR=Sun Xinyi , Zhu Xiangyu , Kan Erjun , Zhan Cheng TITLE=A first-principles density functional theory study on the piezocatalytic activity of tetragonal perovskite PbTiO3 JOURNAL=Frontiers in Physics VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2025.1562239 DOI=10.3389/fphy.2025.1562239 ISSN=2296-424X