Optical, ferroelectric and magnetic properties of multiferroelectric BiFeO3-(K0.5Na0.5)0.4(Sr 0.6Ba0.4)0.8Nb2O6 thin films

Yingbang Yao; C. L. Mak

doi:10.1016/j.jallcom.2013.10.077

Optical, ferroelectric and magnetic properties of multiferroelectric BiFeO3-(K0.5Na0.5)0.4(Sr 0.6Ba0.4)0.8Nb2O6 thin films

Yingbang Yao, C. L. Mak

Nanofabrication Core Lab

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

Multiferroic BiFeO3-(K0.5Na0.5) 0.4(Sr0.6Ba0.4)0.8Nb 2O6 (BFO-KNSBN) trilayer thin films, were epitaxially grown on MgO(0 0 1) and SrTiO3(0 0 1) by using pulsed laser deposition (PLD). Their ferroelectric, magnetic, dielectric and optical properties were investigated. It was found that both ferroelectric polarization and dielectric constant of the films were enhanced by introducing KNSBN as a barrier layer. Meanwhile, ferromagnetism of BFO was maintained. More interestingly, a double hysteresis magnetic loop was observed in the KNSBN-BFO-KNSBN trilayer films, where exchange bias and secondary phase in the BFO layer played crucial roles. Interactions between adjacent layers were revealed by temperature-dependent Raman spectroscopic measurements. © 2013 Elsevier B.V. All rights reserved.

Original language	English (US)
Pages (from-to)	448-455
Number of pages	8
Journal	Journal of Alloys and Compounds
Volume	586
DOIs	https://doi.org/10.1016/j.jallcom.2013.10.077
State	Published - Feb 2014

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: This work was supported by a research grant of The Hong Kong Polytechnic University (Grant No. GU694).

ASJC Scopus subject areas

Materials Chemistry
Mechanics of Materials
Metals and Alloys
Mechanical Engineering

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10.1016/j.jallcom.2013.10.077

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@article{740a9141ed3644bcbd3085855371ebef,

title = "Optical, ferroelectric and magnetic properties of multiferroelectric BiFeO3-(K0.5Na0.5)0.4(Sr 0.6Ba0.4)0.8Nb2O6 thin films",

abstract = "Multiferroic BiFeO3-(K0.5Na0.5) 0.4(Sr0.6Ba0.4)0.8Nb 2O6 (BFO-KNSBN) trilayer thin films, were epitaxially grown on MgO(0 0 1) and SrTiO3(0 0 1) by using pulsed laser deposition (PLD). Their ferroelectric, magnetic, dielectric and optical properties were investigated. It was found that both ferroelectric polarization and dielectric constant of the films were enhanced by introducing KNSBN as a barrier layer. Meanwhile, ferromagnetism of BFO was maintained. More interestingly, a double hysteresis magnetic loop was observed in the KNSBN-BFO-KNSBN trilayer films, where exchange bias and secondary phase in the BFO layer played crucial roles. Interactions between adjacent layers were revealed by temperature-dependent Raman spectroscopic measurements. {\textcopyright} 2013 Elsevier B.V. All rights reserved.",

author = "Yingbang Yao and Mak, {C. L.}",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: This work was supported by a research grant of The Hong Kong Polytechnic University (Grant No. GU694).",

year = "2014",

month = feb,

doi = "10.1016/j.jallcom.2013.10.077",

language = "English (US)",

volume = "586",

pages = "448--455",

journal = "Journal of Alloys and Compounds",

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T1 - Optical, ferroelectric and magnetic properties of multiferroelectric BiFeO3-(K0.5Na0.5)0.4(Sr 0.6Ba0.4)0.8Nb2O6 thin films

AU - Yao, Yingbang

AU - Mak, C. L.

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: This work was supported by a research grant of The Hong Kong Polytechnic University (Grant No. GU694).

PY - 2014/2

Y1 - 2014/2

N2 - Multiferroic BiFeO3-(K0.5Na0.5) 0.4(Sr0.6Ba0.4)0.8Nb 2O6 (BFO-KNSBN) trilayer thin films, were epitaxially grown on MgO(0 0 1) and SrTiO3(0 0 1) by using pulsed laser deposition (PLD). Their ferroelectric, magnetic, dielectric and optical properties were investigated. It was found that both ferroelectric polarization and dielectric constant of the films were enhanced by introducing KNSBN as a barrier layer. Meanwhile, ferromagnetism of BFO was maintained. More interestingly, a double hysteresis magnetic loop was observed in the KNSBN-BFO-KNSBN trilayer films, where exchange bias and secondary phase in the BFO layer played crucial roles. Interactions between adjacent layers were revealed by temperature-dependent Raman spectroscopic measurements. © 2013 Elsevier B.V. All rights reserved.

AB - Multiferroic BiFeO3-(K0.5Na0.5) 0.4(Sr0.6Ba0.4)0.8Nb 2O6 (BFO-KNSBN) trilayer thin films, were epitaxially grown on MgO(0 0 1) and SrTiO3(0 0 1) by using pulsed laser deposition (PLD). Their ferroelectric, magnetic, dielectric and optical properties were investigated. It was found that both ferroelectric polarization and dielectric constant of the films were enhanced by introducing KNSBN as a barrier layer. Meanwhile, ferromagnetism of BFO was maintained. More interestingly, a double hysteresis magnetic loop was observed in the KNSBN-BFO-KNSBN trilayer films, where exchange bias and secondary phase in the BFO layer played crucial roles. Interactions between adjacent layers were revealed by temperature-dependent Raman spectroscopic measurements. © 2013 Elsevier B.V. All rights reserved.

UR - http://hdl.handle.net/10754/563363

UR - https://linkinghub.elsevier.com/retrieve/pii/S0925838813024924

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U2 - 10.1016/j.jallcom.2013.10.077

DO - 10.1016/j.jallcom.2013.10.077

M3 - Article

SN - 0925-8388

VL - 586

SP - 448

EP - 455

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

ER -

Optical, ferroelectric and magnetic properties of multiferroelectric BiFeO3-(K0.5Na0.5)0.4(Sr 0.6Ba0.4)0.8Nb2O6 thin films

Abstract

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