{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["16(1)"],"submitter":["Sun Y"],"pubmed_abstract":["This study demonstrates the use of oxygen vacancy-induced planar defects to significantly enhance electrical polarization through a local flexoelectric effect. By introducing an appropriate level of aliovalent dopants, numerous local planar defects are induced in (Bi<sub>0.5</sub>, Na<sub>0.5</sub>)TiO<sub>3</sub>-based thin films. These defects, identified as oxygen-deficient structures through direct visualization of oxygen atoms and oxygen vacancies using integrated differential phase-contrast microscopy, result in the formation of head-to-head domain structures. Geometric phase analysis confirms that these structures exhibit a substantial local strain gradient of up to 10<sup>9 </sup>m<sup>-1</sup>, contributing significantly to the flexoelectric polarization. Consequently, a giant max"],"journal":["Nature communications"],"pagination":["10589"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12658055"],"repository":["biostudies-literature"],"pubmed_title":["Flexoelectricity-driven giant polarization in (Bi, Na)TiO&lt;sub&gt;3&lt;/sub&gt;-based ferroelectric thin films."],"pmcid":["PMC12658055"],"pubmed_authors":["Cazorla C","Yang J","Geng X","Zhang J","Chang SLY","Huang H","Wang D","Lou X","Wang H","Zhang S","Sun Y","Niu R","Chen Z","Tang S","Guo C","Song Z"],"additional_accession":[]},"is_claimable":false,"name":"Flexoelectricity-driven giant polarization in (Bi, Na)TiO&lt;sub&gt;3&lt;/sub&gt;-based ferroelectric thin films.","description":"This study demonstrates the use of oxygen vacancy-induced planar defects to significantly enhance electrical polarization through a local flexoelectric effect. By introducing an appropriate level of aliovalent dopants, numerous local planar defects are induced in (Bi<sub>0.5</sub>, Na<sub>0.5</sub>)TiO<sub>3</sub>-based thin films. These defects, identified as oxygen-deficient structures through direct visualization of oxygen atoms and oxygen vacancies using integrated differential phase-contrast microscopy, result in the formation of head-to-head domain structures. Geometric phase analysis confirms that these structures exhibit a substantial local strain gradient of up to 10<sup>9 </sup>m<sup>-1</sup>, contributing significantly to the flexoelectric polarization. Consequently, a giant max","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Nov","modification":"2026-06-05T21:31:23.621Z","creation":"2026-05-22T03:14:50.812Z"},"accession":"S-EPMC12658055","cross_references":{"pubmed":["41298391"],"doi":["10.1038/s41467-025-65610-5"]}}