The effect of Mn doping contents on the structural, dielectric and magnetic properties of multiferroic Bi5Ti3FeO15 Aurivillius ceramics

Tang, Kai; Bai, Wei; Liu, Jia; Yang, Jing; Zhang, Yuanyuan; Duan, Chun‐Gang; Tang, Xiaodong; Chu, Junhao

doi:10.1016/j.ceramint.2015.03.233

Cited by 26 publications

(9 citation statements)

References 28 publications

(54 reference statements)

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“…The ferroelectricity in Aurivillius compounds stems from several mechanisms: (1) the displacive mechanism, which involves A ‐site and/or B ‐site cationic displacements, (2) the rigid layer (RL) mode which involved displacements of the Bi 2 O 2 fluorite‐like planes relative to the perovskite‐like blocks, and (3) the octahedral tilting in perovskite‐like blocks . Magnetic properties may arise by incorporating magnetically active cations such as Fe 3+ , Mn 3+ into the B site in the perovskite blocks …”

Section: Introductionmentioning

confidence: 99%

Structural transformations in Pb_1 − xBi_4 + xTi_4 − xMn_xO₁₅(x = 0.2 and 0.4): a Raman scattering study

Prasetyo

Mihailova

Nugroho

et al. 2016

J. Raman Spectrosc.

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The temperature evolution of the Raman scattering of Pb1 − xBi4 + xTi4 − xMnxO15 (x = 0.2 and 0.4) on cooling from 850 to 140–130 K was studied in order to elucidate the effect of B‐site Mn3+ doping accompanied by the increase in the A‐site Bi3+ content on the structural transformations in four‐layer Aurivillius‐type compound (An − 1Bi2BnO3n + 3, n = 4). The ferroelectric–paraelectric transition (Tc ~800 K for x = 0.2 and ~765 K for x = 0.4) is well mirrored by the Raman scattering near 60 cm−1 arising from the so‐called rigid layer mode. The temperature dependence of the phonon mode near 42 cm−1 arising from A‐site Pb/Bi displacements indicates a second structural transformation near 570 K and 400 K for x = 0.2 and 0.4, respectively, similar to that observed for Mn‐free PbBi4Ti4O15. This structural alteration resembles a thermodynamically second‐order phase transition for all three compounds and the critical temperature (Ta) decreases with the increase in the A‐site Bi3+ amount, related to the heterovalent substitution (Mn3+ for Ti4+) on the B site; Ta = 600, 570, 400 K for x = 0, 0.2, 0.4, respectively. The BO6 tilting and bending mode near 220 cm−1 also shows an anomaly at Ta, and, thus, this second structural transformation was attributed to subtle rearrangements of A‐site cations accompanied by octahedral BO6 tilting in the perovskite‐like blocks. Copyright © 2016 John Wiley & Sons, Ltd.

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Section: Introductionmentioning

confidence: 99%

Structural transformations in Pb_1 − xBi_4 + xTi_4 − xMn_xO₁₅(x = 0.2 and 0.4): a Raman scattering study

Prasetyo

Mihailova

Nugroho

et al. 2016

J. Raman Spectrosc.

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“…Hasil karakterisasi sampel menggunakan SEM, memperlihatkan morfologi permukaan dari sampel hasil sintesis berupa lempengan (platelike) yang karakteristik terhadap senyawa Aurivillius [5], [7], [10], [13] . menggunakan metode lelehan garam dengan campuran NaCl-KCl.…”

Section: Selanjutnyaunclassified

“…Pada dasarnya beberapa senyawa Aurivillius telah memiliki sifat feroelektrik yang baik, seperti yang telah dilaporkan oleh Tang et.al [5] . Struktur yang berbentuk noncentrosymmetric yang menyusun senyawa Aurivillius menimbulkan respon dielektrik yang kuat sehingga menghasilkan sifat feroelektrik yang baik.…”

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Sintesis Senyawa Aurivillius Lapis Empat PbBi4Ti4O15 dan PbBi3NdTi4O15 dengan Metode Lelehan Campuran Garam NaCl-KCl dan Karakterisasi Struktur

2019

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Four-layered Aurivillius phases with formula PbBi4+xNdxTi4O15 were synthesized by molten-salt technique using NaCl and KCl (1:1 molar ratio) as the flux with x = 0 and 0.1. Precursors were weighed stoichiometrically and grinded with salts mixture in 1:7 ratio (product: salts mixture) until homogenous. The samples were heated at temperature 600oC, 700oC, 800oC, and 900oC for 5 hours for each temperature. The products were characterized by X-ray diffractometer (XRD), Scanning Electron Microscope (SEM) and LCR-meter. XRD data were refined using Rietica program with Le Bail technique. Refinement results showed the best structure as the A21am of space group. Surface analysis for each samples’ morphology is the plate-like by SEM characterization. Dielectric constants of the sample show decreasing value from x = 0 to 1 measured at room temperature.

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“…Most common magnetic elements substituted at the B-site (Fe ions) in BFT are Mn, Ni, Cr and Co [27][28][29][30].…”

Section: Introductionmentioning

confidence: 99%

Effect of Co and Y modification on structural, ferroelectric and magnetic properties of Bi5Ti3FeO15 ceramics

Bobić

Ilić

Veerapandiyan

et al. 2021

Preprint

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The ferroelectric and magnetic properties of four-layered Aurivillius Bi5Ti3FeO15 (BFT) compounds via partial substitution of Bi3+ with Y3+ and Fe3+ with Co2+ (according to formula: Bi5 − xYxTi3FeO15, x = 0.1, 0.2, 0.3; Bi5Ti3Fe1 − yCoyO15, y = 0.1, 0.3, 0.5) were investigated. Polycrystalline ceramics of Co and Y substituted BFT were prepared by conventional solid-state reaction. Crystal structure and phase purity were confirmed via X-ray diffraction. Raman spectral signatures indicate that Y replaces Bi ions in the pseudo-perovskite layers and Co replaces Fe ions in the octahedral sites. SEM micrographs show a decrease in grain size for both chemically modified samples when compared to plate-like morphology for pure BFT with dimensions ranging from 3–5 µm in length and a thickness of ~ 0.5 µm. The decrease in grain size is more pronounced in Co substituted samples with plate-like grain dimensions of 1 µm in length and 0.1 µm in thickness. Ferroelectric measurements show unsaturated leaky hysteresis loops in both chemically modified samples until the maximum applied electric field. Magnetic measurements confirm the paramagnetic nature of pure and Y substituted BFT ceramics while Co substituted BFT ceramics exhibit a typical ferromagnetic M-H loop. The largest remanent magnetization value of 0.084 emu/g at room temperature is recorded for the Co2+ substituted sample with x = 0.30.

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The effect of Mn doping contents on the structural, dielectric and magnetic properties of multiferroic Bi5Ti3FeO15 Aurivillius ceramics

Cited by 26 publications

References 28 publications

Structural transformations in Pb_1 − xBi_4 + xTi_4 − xMn_xO₁₅(x = 0.2 and 0.4): a Raman scattering study

Structural transformations in Pb_1 − xBi_4 + xTi_4 − xMn_xO₁₅(x = 0.2 and 0.4): a Raman scattering study

Sintesis Senyawa Aurivillius Lapis Empat PbBi4Ti4O15 dan PbBi3NdTi4O15 dengan Metode Lelehan Campuran Garam NaCl-KCl dan Karakterisasi Struktur

Effect of Co and Y modification on structural, ferroelectric and magnetic properties of Bi5Ti3FeO15 ceramics

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The effect of Mn doping contents on the structural, dielectric and magnetic properties of multiferroic Bi5Ti3FeO15 Aurivillius ceramics

Cited by 26 publications

References 28 publications

Structural transformations in Pb1 − xBi4 + xTi4 − xMnxO15(x = 0.2 and 0.4): a Raman scattering study

Structural transformations in Pb1 − xBi4 + xTi4 − xMnxO15(x = 0.2 and 0.4): a Raman scattering study

Sintesis Senyawa Aurivillius Lapis Empat PbBi4Ti4O15 dan PbBi3NdTi4O15 dengan Metode Lelehan Campuran Garam NaCl-KCl dan Karakterisasi Struktur

Effect of Co and Y modification on structural, ferroelectric and magnetic properties of Bi5Ti3FeO15 ceramics

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Structural transformations in Pb_1 − xBi_4 + xTi_4 − xMn_xO₁₅(x = 0.2 and 0.4): a Raman scattering study

Structural transformations in Pb_1 − xBi_4 + xTi_4 − xMn_xO₁₅(x = 0.2 and 0.4): a Raman scattering study