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Sillen-Aurivillius intergrowth phases as templates for naturally layered multiferroics

Liu, S.; Miiller, W.; Liu, Yun; Avdeev, Maxim; Ling, Chris David

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The ferroelectric Sillen-Aurivillius phase Bi5PbTi3O14Cl, a layered structure containing three-layer perovskite-type blocks, has been modified by substituting magnetic transition metal cations M3+ = Cr3+, Mn3+, or Fe3+ for1/3 of the Ti4+ cations, accompanied by co-doping of Bi3+ for Pb2+. The aim of the modification was to produce naturally layered ferroelectromagnetic compounds. Rietveld refinements against high-temperature synchrotron X-ray powder diffraction data show that the resulting new...[Show more]

dc.contributor.authorLiu, S.
dc.contributor.authorMiiller, W.
dc.contributor.authorLiu, Yun
dc.contributor.authorAvdeev, Maxim
dc.contributor.authorLing, Chris David
dc.date.accessioned2015-12-10T23:31:15Z
dc.identifier.issn0897-4756
dc.identifier.urihttp://hdl.handle.net/1885/68542
dc.description.abstractThe ferroelectric Sillen-Aurivillius phase Bi5PbTi3O14Cl, a layered structure containing three-layer perovskite-type blocks, has been modified by substituting magnetic transition metal cations M3+ = Cr3+, Mn3+, or Fe3+ for1/3 of the Ti4+ cations, accompanied by co-doping of Bi3+ for Pb2+. The aim of the modification was to produce naturally layered ferroelectromagnetic compounds. Rietveld refinements against high-temperature synchrotron X-ray powder diffraction data show that the resulting new compounds Bi6Ti2MO14Cl undergo non-centrosymmetric (P2an) to centrosymmetric (P4/mmm) ferroelectric phase transitions for Bi6Ti2CrO14Cl at 974.6(2) K, Bi6Ti2MnO14Cl at 913.5(6) K, and Bi6Ti2FeO14Cl at 1044.8(1) K. Ferroelectric properties were measured on Bi6Ti2FeO14Cl using piezoresponse force microscopy which showed typical ferroelectric hysteresis behavior in the polarization with varying field strength as well as a piezoelectric strain. Combined Rietveld refinements against X-ray and neutron powder diffraction data indicate a statistical 1:2 distribution of M3+ and Ti4+ across all three perovskite layers, resulting in highly strained structures (enhancing the ferroelectricity compared to Bi5PbTi3O14Cl) and pronounced spin-glass (cluster glass-type) behavior below Tirr(0) = 4.46 K that we have characterized by detailed magnetic susceptibility and heat capacity measurements.
dc.publisherAmerican Chemical Society
dc.sourceChemistry of Materials
dc.subjectKeywords: Centrosymmetric; Cluster glass; Co-doping; Ferroelectric hysteresis; Ferroelectric phase transition; Ferroelectric property; Field strengths; Heat capacity measurements; High temperature; Highly strained; Intergrowth; Layered Structures; Magnetic transiti cluster-glass; multiferroic; neutron diffraction; Sillen-Aurivillius
dc.titleSillen-Aurivillius intergrowth phases as templates for naturally layered multiferroics
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume24
dc.date.issued2012
local.identifier.absfor030206 - Solid State Chemistry
local.identifier.ariespublicationf5625xPUB1751
local.type.statusPublished Version
local.contributor.affiliationLiu, S., University of Sydney
local.contributor.affiliationMiiller, W., University of Sydney
local.contributor.affiliationLiu, Yun, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationAvdeev, Maxim, Australian Nuclear Science and Technology Organisation
local.contributor.affiliationLing, Chris David, University of Sydney
local.description.embargo2037-12-31
local.bibliographicCitation.issue20
local.bibliographicCitation.startpage3932
local.bibliographicCitation.lastpage3942
local.identifier.doi10.1021/cm302342v
local.identifier.absseo970103 - Expanding Knowledge in the Chemical Sciences
dc.date.updated2016-02-24T08:50:12Z
local.identifier.scopusID2-s2.0-84867809578
local.identifier.thomsonID000310095100013
CollectionsANU Research Publications

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