Multiferroic Materials Based on Organic Transition-Metal Molecular Nanowires.
We report on the density functional theory aided design of a variety of organic ferroelectric and multiferroic materials by functionalizing crystallized transition-metal molecular sandwich nanowires with chemical groups such as -F, -Cl, -CN, -NO, -O, and -OH. Such functionalized polar wires exhibit...
| Publicado en: | Journal of the American Chemical Society Vol. 134; no. 35; pp. 14423 - 14430 |
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| Autores principales: | , , , , |
| Formato: | Artículo |
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American Chemical Society
9/5/2012
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| Materias: | |
| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=hlh&AN=79924201&site=ehost-live header: @attributes: shortDbName: hlh uiTerm: 79924201 longDbName: Humanities International Complete uiTag: AN controlInfo: bkinfo: jinfo: jid: 00027863 ACS jtl: Journal of the American Chemical Society issn: 00027863 maglogo: N pubinfo: dt: 9/5/2012 vid: 134 iid: 35 pid: 997 pub: American Chemical Society artinfo: ui: 79924201 10.1021/ja304199x ppf: 14423 ppct: 7 formats: tig: atl: Multiferroic Materials Based on Organic Transition-Metal Molecular Nanowires. aug: au: Menghao Wu Burton, J. D. Tsymbal, Evgeny Y. Xiao Cheng Zeng Puru Jena affil: Department of Physics, Virginia Commonwealth University, Richmond, Virginia 23284, United States Department of Chemistry, University of Nebraska, Lincoln, Nebraska 68588, United States Department of Physics and Astronomy, University of Nebraska, Lincoln, Nebraska 68588, United States su: Multiferroic materials Organotransition metal compounds Nanowires Density functionals Electric fields Ferroelectricity Acids Hydrogen bonding sug: subj: Multiferroic materials Organotransition metal compounds Nanowires Density functionals Electric fields Ferroelectricity Acids Hydrogen bonding ab: We report on the density functional theory aided design of a variety of organic ferroelectric and multiferroic materials by functionalizing crystallized transition-metal molecular sandwich nanowires with chemical groups such as -F, -Cl, -CN, -NO, -O, and -OH. Such functionalized polar wires exhibit molecular reorientation in response to an electric field. Ferroelectric polarizations as large as 23.0 μC/cm are predicted in crystals based on fully hydroxylized sandwich nanowires. Furthermore, we find that organic nanowires formed by sandwiching transition-metal atoms in croconic and rhodizonic acids, dihydroxybenzoquinone, dichloro-dihydroxy-p-benzoquinone, or benzene decorated by -COOH groups exhibit ordered magnetic moments, leading to a multiferroic organometallic crystal. When crystallized through hydrogen bonds, the microscopic molecular reorientation translates into a switchable polarization through proton transfer. A giant interface magnetoelectric response that is orders of magnitude greater than previously reported for conventional oxide heterostructure interfaces is predicted. pubtype: Academic Journal doctype: Article src: R language: English refInfo: copyright: @attributes: flag: Y dt: @attributes: year: 2012 holdings: @attributes: islocal: N |
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