Cation ordering, ferrimagnetism and ferroelectric relaxor behavior in Pb(Fe1−xScx)2∕3W1∕3O3 solid solutions

Sergey A. Ivanov; Premysl Beran; Alexandr A. Bush; Tapati Sarkar; Samrand Shafeie; Duo Wang; Biplab Sanyal; Olle Eriksson; Martin Sahlberg; Yaroslav Kvashnin; Roland Tellgren; Per Nordblad; Roland Mathieu

doi:10.1140/epjb/e2019-100149-9

Cation ordering, ferrimagnetism and ferroelectric relaxor behavior in Pb(Fe_1−xSc_x)_2∕3W_1∕3O₃ solid solutions

Sergey A. Ivanov, Premysl Beran, Alexandr A. Bush, Tapati Sarkar, Samrand Shafeie, Duo Wang, Biplab Sanyal, Olle Eriksson, Martin Sahlberg, Yaroslav Kvashnin, Roland Tellgren, Per Nordblad, Roland Mathieu

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Abstract

Abstract: Ceramic samples of the multiferroic perovskite Pb(Fe_1−xSc_x)_2∕3W_1∕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 PbFe_2∕3W_1∕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(Fe_1−xSc_x)_2∕3W_1∕3O₃ and possibly also in the undoped PbFe_2∕3W_1∕3O₃. Graphical abstract: [Figure not available: see fulltext.].

Original language	English
Article number	163
Journal	European Physical Journal B
Volume	92
Issue number	8
DOIs	https://doi.org/10.1140/epjb/e2019-100149-9
Publication status	Published - 1 Aug 2019
Externally published	Yes

Keywords

Solid State and Materials

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10.1140/epjb/e2019-100149-9

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Ivanov, S. A., Beran, P., Bush, A. A., Sarkar, T., Shafeie, S., Wang, D., Sanyal, B., Eriksson, O., Sahlberg, M., Kvashnin, Y., Tellgren, R., Nordblad, P., & Mathieu, R. (2019). Cation ordering, ferrimagnetism and ferroelectric relaxor behavior in Pb(Fe_1−xSc_x)_2∕3W_1∕3O₃ solid solutions. European Physical Journal B, 92(8), Article 163. https://doi.org/10.1140/epjb/e2019-100149-9

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title = "Cation ordering, ferrimagnetism and ferroelectric relaxor behavior in Pb(Fe1−xScx)2∕3W1∕3O3 solid solutions",

abstract = "Abstract: Ceramic samples of the multiferroic perovskite Pb(Fe1−xScx)2∕3W1∕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 (Fm3̅m) 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∕3W1∕3O3 and possibly also in the undoped PbFe2∕3W1∕3O3. Graphical abstract: [Figure not available: see fulltext.].",

keywords = "Solid State and Materials",

author = "Ivanov, {Sergey A.} and Premysl Beran and Bush, {Alexandr A.} and Tapati Sarkar and Samrand Shafeie and Duo Wang and Biplab Sanyal and Olle Eriksson and Martin Sahlberg and Yaroslav Kvashnin and Roland Tellgren and Per Nordblad and Roland Mathieu",

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doi = "10.1140/epjb/e2019-100149-9",

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T1 - Cation ordering, ferrimagnetism and ferroelectric relaxor behavior in Pb(Fe1−xScx)2∕3W1∕3O3 solid solutions

AU - Ivanov, Sergey A.

AU - Beran, Premysl

AU - Bush, Alexandr A.

AU - Sarkar, Tapati

AU - Shafeie, Samrand

AU - Wang, Duo

AU - Sanyal, Biplab

AU - Eriksson, Olle

AU - Sahlberg, Martin

AU - Kvashnin, Yaroslav

AU - Tellgren, Roland

AU - Nordblad, Per

AU - Mathieu, Roland

PY - 2019/8/1

Y1 - 2019/8/1

N2 - Abstract: Ceramic samples of the multiferroic perovskite Pb(Fe1−xScx)2∕3W1∕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 (Fm3̅m) 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∕3W1∕3O3 and possibly also in the undoped PbFe2∕3W1∕3O3. Graphical abstract: [Figure not available: see fulltext.].

AB - Abstract: Ceramic samples of the multiferroic perovskite Pb(Fe1−xScx)2∕3W1∕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 (Fm3̅m) 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∕3W1∕3O3 and possibly also in the undoped PbFe2∕3W1∕3O3. Graphical abstract: [Figure not available: see fulltext.].

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M1 - 163

ER -

Cation ordering, ferrimagnetism and ferroelectric relaxor behavior in Pb(Fe_1−xSc_x)_2∕3W_1∕3O₃ solid solutions

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