{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["16(48)"],"submitter":["Su CY"],"pubmed_abstract":["Ferroelastics, as a key branch of ferroic materials, are vital for mechanical switches, energy conversion, <i>etc.</i> While research on ferroelastic organic-inorganic hybrid perovskites has laid a preliminary foundation, in-depth exploration is still needed to expand their material system and functional integration. In this work, we constructed two perovskite ferroelastics using cyclobutylmethanaminium (CBA<sup>+</sup>) as the cationic template. First, the lead-based (CBA)<sub>2</sub>PbBr<sub>4</sub> exhibits a ferroelastic phase transition at Curie temperature (<i>T</i> <sub>c</sub>) = 383.4 K (<i>mmm</i>F2/<i>m</i>). To address lead toxicity, we developed the lead-free double perovskite (CBA)<sub>4</sub>AgBiBr<sub>8</sub> (<i>T</i> <sub>c</sub> = 346.7 K, 4/<i>mmm</i>F2/<i>m</i>), which"],"journal":["Chemical science"],"pagination":["23385-23393"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12598617"],"repository":["biostudies-literature"],"pubmed_title":["Two-dimensional lead-free double perovskite ferroelastics with dynamic thermochromism."],"pmcid":["PMC12598617"],"pubmed_authors":["Xia SQ","Liu Z","Su CY","Fu DW","Zhang ZX","Ni HF","Yi HG","Du GW"],"additional_accession":[]},"is_claimable":false,"name":"Two-dimensional lead-free double perovskite ferroelastics with dynamic thermochromism.","description":"Ferroelastics, as a key branch of ferroic materials, are vital for mechanical switches, energy conversion, <i>etc.</i> While research on ferroelastic organic-inorganic hybrid perovskites has laid a preliminary foundation, in-depth exploration is still needed to expand their material system and functional integration. In this work, we constructed two perovskite ferroelastics using cyclobutylmethanaminium (CBA<sup>+</sup>) as the cationic template. First, the lead-based (CBA)<sub>2</sub>PbBr<sub>4</sub> exhibits a ferroelastic phase transition at Curie temperature (<i>T</i> <sub>c</sub>) = 383.4 K (<i>mmm</i>F2/<i>m</i>). To address lead toxicity, we developed the lead-free double perovskite (CBA)<sub>4</sub>AgBiBr<sub>8</sub> (<i>T</i> <sub>c</sub> = 346.7 K, 4/<i>mmm</i>F2/<i>m</i>), which","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Dec","modification":"2026-06-06T01:13:38.247Z","creation":"2026-05-24T03:12:19.174Z"},"accession":"S-EPMC12598617","cross_references":{"pubmed":["41221110"],"doi":["10.1039/d5sc05158d"]}}