Room-temperature ferroelectricity in CuInP2S6 ultrathin flakes

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dc.citation.articleNumber12357
dc.citation.journalTitleNature Communicationsen_US
dc.citation.volumeNumber7en_US
dc.contributor.authorLiu, Fucaien_US
dc.contributor.authorYou, Luen_US
dc.contributor.authorSeyler, Kyle L.en_US
dc.contributor.authorLi, Xiaobaoen_US
dc.contributor.authorYu, Pengen_US
dc.contributor.authorLin, Junhaoen_US
dc.contributor.authorWang, Xuewenen_US
dc.contributor.authorZhou, Jiadongen_US
dc.contributor.authorWang, Hongen_US
dc.contributor.authorHe, Haiyongen_US
dc.contributor.authorPantelides, Sokrates T.en_US
dc.contributor.authorZhou, Wuen_US
dc.contributor.authorSharma, Pradeepen_US
dc.contributor.authorXu, Xiaodongen_US
dc.contributor.authorAjayan, Pulickel M.en_US
dc.contributor.authorWang, Junlingen_US
dc.contributor.authorLiu, Zhengen_US
dc.date.accessioned2016-09-30T20:52:22Z
dc.date.available2016-09-30T20:52:22Z
dc.date.issued2016en_US
dc.description.abstractTwo-dimensional (2D) materials have emerged as promising candidates for various optoelectronic applications based on their diverse electronic properties, ranging from insulating to superconducting. However, cooperative phenomena such as ferroelectricity in the 2D limit have not been well explored. Here, we report room-temperature ferroelectricity in 2D CuInP2S6 (CIPS) with a transition temperature of ~320 K. Switchable polarization is observed in thin CIPS of ~4 nm. To demonstrate the potential of this 2D ferroelectric material, we prepare a van der Waals (vdW) ferroelectric diode formed by CIPS/Si heterostructure, which shows good memory behaviour with on/off ratio of ~100. The addition of ferroelectricity to the 2D family opens up possibilities for numerous novel applications, including sensors, actuators, non-volatile memory devices, and various vdW heterostructures based on 2D ferroelectricity.en_US
dc.identifier.citationLiu, Fucai, You, Lu, Seyler, Kyle L., et al.. "Room-temperature ferroelectricity in CuInP2S6 ultrathin flakes." <i>Nature Communications,</i> 7, (2016) Springer Nature: http://dx.doi.org/10.1038/ncomms12357.
dc.identifier.doihttp://dx.doi.org/10.1038/ncomms12357en_US
dc.identifier.urihttps://hdl.handle.net/1911/91625
dc.language.isoengen_US
dc.publisherSpringer Nature
dc.rightsThis work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the articleﾒs Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material.en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en_US
dc.titleRoom-temperature ferroelectricity in CuInP2S6 ultrathin flakesen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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