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Cation ordering, ferrimagnetism and ferroelectric relaxor behavior in Pb(Fe1-xScx)(2/3)W1/3O3 solid solutions
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics. Karpov Inst Phys Chem, Ctr Mat Sci, Vorontsovo Pole 10, Moscow 105064, Russia.ORCID iD: 0000-0002-7177-8464
CAS, Inst Nucl Phys, Rez, Czech Republic.
Moscow Technol Univ, Moscow 119454, Russia.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.ORCID iD: 0000-0003-4754-2504
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2019 (English)In: European Physical Journal B: Condensed Matter Physics, ISSN 1434-6028, E-ISSN 1434-6036, Vol. 92, no 8, article id 163Article in journal (Refereed) Published
Abstract [en]

Ceramic samples of the multiferroic perovskite Pb(Fe1-xScx)(2/3)W1/3O3 with 0 <= x <= 0.4 have been synthesized using a conventional solid-state reaction method, and investigated experimentally and theoretically using first-principle calculations. Rietveld analyses of joint synchrotron X-ray and neutron diffraction patterns show the formation of a pure crystalline phase with cubic (Fm3(_)m) structure with partial ordering in the B-sites. The replacement of Fe by Sc leads to the increase of the cation order between the B and B '' sites. As the non-magnetic Sc3+ ions replace the magnetic Fe3+ cations, the antiferromagnetic state of PbFe2/3W1/3O3 is turned into a ferrimagnetic state reflecting the different magnitude of the magnetic moments on the B ' and B '' sites. The materials remain ferroelectric relaxors with increasing Sc content. Results from experiments on annealed and quenched samples show that the cooling rate after high temperature annealing controls the degree of cationic order in Pb(Fe1-xScx)(2/3)W1/3O3 and possibly also in the undoped PbFe2/3W1/3O3.

Place, publisher, year, edition, pages
SPRINGER , 2019. Vol. 92, no 8, article id 163
Keywords [en]
Solid State and Materials
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-392576DOI: 10.1140/epjb/e2019-100149-9ISI: 000477626500002OAI: oai:DiVA.org:uu-392576DiVA, id: diva2:1349635
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Swedish Research CouncilAvailable from: 2019-09-09 Created: 2019-09-09 Last updated: 2019-09-09Bibliographically approved

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Ivanov, SergeySarkar, TapatiShafeie, SamrandWang, DuoSanyal, BiplabEriksson, OlleSahlberg, MartinKvashnin, YaroslavTellgren, RolandNordblad, PerMathieu, Roland
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