Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/85631
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dc.contributor.authorLiang, Yongfuen
dc.contributor.authorHuang, Xiaolien
dc.contributor.authorHuang, Yanpingen
dc.contributor.authorWang, Xinen
dc.contributor.authorLi, Fangfeien
dc.contributor.authorWang, Youchunen
dc.contributor.authorTian, Fuboen
dc.contributor.authorLiu, Bingbingen
dc.contributor.authorShen, Ze Xiangen
dc.contributor.authorCui, Tianen
dc.date.accessioned2019-08-30T07:08:54Zen
dc.date.accessioned2019-12-06T16:07:24Z-
dc.date.available2019-08-30T07:08:54Zen
dc.date.available2019-12-06T16:07:24Z-
dc.date.issued2019en
dc.identifier.citationLiang, Y., Huang, X., Huang, Y., Wang, X., Li, F., Wang, Y., . . . Cui, T. (2019). New metallic ordered phase of perovskite CsPbI3 under pressure. Advanced Science, 6(14), 1900399-. doi:10.1002/advs.201900399en
dc.identifier.urihttps://hdl.handle.net/10356/85631-
dc.description.abstractPressure‐induced electronic structure transition from insulating phase to metal state is a potential new paradigm for halide perovskites. The metallization based on these materials may afford a novel motif toward realizing new electronic properties even superconductivity phenomenon. Herein, how static compression modulates the crystal and electronic structure of typical perovskite semiconductors cesium lead iodine (CsPbI3) by both experimental and theoretical studies is reported. The comprehensive studies discover the insulator–metal transition of CsPbI3 at 39.3 GPa, and reveal the key information behind the electronic transition. The perovskite's precise structural evolution is tracked upon compression, from orthorhombic Pnma phase to monoclinic C2/m structure before the metallic transition. More interestingly, the C2/m phase has the most distorted octahedra and the shortest Pb–I bond length relative to the average bond length that is ever reported in a halide perovskite structure. The electronic transition stems from the structural changes accompanied by the anomalously self‐distorted octahedra. These studies show that pressure can significantly alter the structural and electronic properties of these technologically important perovskites.en
dc.format.extent8 p.en
dc.language.isoenen
dc.relation.ispartofseriesAdvanced Scienceen
dc.rights© 2019 The Authors. Published by WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.en
dc.subjectElectronic Structureen
dc.subjectHigh Pressureen
dc.subjectScience::Physicsen
dc.titleNew metallic ordered phase of perovskite CsPbI3 under pressureen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.contributor.researchThe Photonics Instituteen
dc.contributor.researchCentre for Disruptive Photonic Technologies (CDPT)en
dc.identifier.doi10.1002/advs.201900399en
dc.description.versionPublished versionen
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