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Hierarchical Frameworks of Metal-Organic Cages with Axial Ferroelectric Anisotropy

Show simple item record Yadav, Ashok en_US Kulkarni, Priyangi en_US Praveenkumar, B. en_US Steiner, Alexander en_US BOOMISHANKAR, RAMAMOORTHY en_US 2018-10-16T03:47:54Z 2018-10-16T03:47:54Z 2018-10 en_US
dc.identifier.citation Chemistry—A European Journal, 24(55). en_US
dc.identifier.issn 1521-3765 en_US
dc.identifier.uri en_US
dc.description.abstract Designing molecular crystals with switchable dipoles for ferroelectric applications is challenging and often serendipitous. Herein, we show a systematic approach toward hierarchical 1D, 2D and 3D frameworks that are assembled through successive linkage of metal-organic cages [Cu-6(H2O)(12)(TPTA)(8)](12+) with chloride ions. Their ferroelectric properties are due to the displacement of channel-bound nitrate counterions and solvated water molecules relative to the framework of cages. Ferroelectric measurements of crystals of discrete and 1D-framework assemblies showed axial ferroelectric anisotropy with high remnant polarisation. Both, the reversible formation of cage-connected networks and the observation of ferroelectric anisotropic behaviour are rare among metal-ligand cage assemblies. en_US
dc.language.iso en en_US
dc.publisher Wiley en_US
dc.subject Anisotropy en_US
dc.subject Cage compounds en_US
dc.subject Dielectric permittivity en_US
dc.subject Ferroelectricity en_US
dc.subject TOC-OCT-2018 en_US
dc.subject 2018 en_US
dc.title Hierarchical Frameworks of Metal-Organic Cages with Axial Ferroelectric Anisotropy en_US
dc.type Article en_US
dc.contributor.department Dept. of Chemistry en_US
dc.identifier.sourcetitle Chemistry—A European Journal en_US
dc.publication.originofpublisher Foreign en_US

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