{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Luo N"],"funding":["Natural Science Foundation of Guangxi Province (Guangxi Natural Science Foundation)","National Natural Science Foundation of China (National Science Foundation of China)"],"pagination":["1776"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10063644"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["14(1)"],"pubmed_abstract":["Antiferroelectrics (AFEs) are promising candidates in energy-storage capacitors, electrocaloric solid-cooling, and displacement transducers. As an actively studied lead-free antiferroelectric (AFE) material, NaNbO<sub>3</sub> has long suffered from its ferroelectric (FE)-like polarization-electric field (P-E) hysteresis loops with high remnant polarization and large hysteresis. Guided by theoretical calculations, a new strategy of reducing the oxygen octahedral tilting angle is proposed to stabilize the AFE P phase (Space group Pbma) of NaNbO<sub>3</sub>. To validate this, we judiciously introduced CaHfO<sub>3</sub> with a low Goldschmidt tolerance factor and AgNbO<sub>3</sub> with a low electronegativity difference into NaNbO<sub>3</sub>, the decreased cation displacements and [BO<sub>6</"],"journal":["Nature communications"],"pubmed_title":["Well-defined double hysteresis loop in NaNbO<sub>3</sub> antiferroelectrics."],"pmcid":["PMC10063644"],"funding_grant_id":["52072080","2022GXNSFFA035034"],"pubmed_authors":["Li JF","Ma L","Zhu Y","Hong J","Luo G","Xu C","Zhang S","Luo N","Chen Z","Cen Z","Toyohisa F","Chen X","Rao L","Feng Q"],"additional_accession":[]},"is_claimable":false,"name":"Well-defined double hysteresis loop in NaNbO<sub>3</sub> antiferroelectrics.","description":"Antiferroelectrics (AFEs) are promising candidates in energy-storage capacitors, electrocaloric solid-cooling, and displacement transducers. As an actively studied lead-free antiferroelectric (AFE) material, NaNbO<sub>3</sub> has long suffered from its ferroelectric (FE)-like polarization-electric field (P-E) hysteresis loops with high remnant polarization and large hysteresis. Guided by theoretical calculations, a new strategy of reducing the oxygen octahedral tilting angle is proposed to stabilize the AFE P phase (Space group Pbma) of NaNbO<sub>3</sub>. To validate this, we judiciously introduced CaHfO<sub>3</sub> with a low Goldschmidt tolerance factor and AgNbO<sub>3</sub> with a low electronegativity difference into NaNbO<sub>3</sub>, the decreased cation displacements and [BO<sub>6</","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Mar","modification":"2025-04-19T00:01:50.234Z","creation":"2025-04-07T11:18:01.806Z"},"accession":"S-EPMC10063644","cross_references":{"pubmed":["36997552"],"doi":["10.1038/s41467-023-37469-x"]}}