Synthesis, characterization, and dielectric properties of SBN ferroelectric matrix doped with Eu2O3

Anasser Imane; Zegzouti Abdelouahad; Noureddine Elbinna; Elaatmani Mohamed; Daoud Mohamed

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자료유형: 학술저널

저자정보: Anasser Imane (Cadi Ayyad University) Zegzouti Abdelouahad (Cadi Ayyad University) Noureddine Elbinna (Cadi Ayyad University) Elaatmani Mohamed (Cadi Ayyad University) Daoud Mohamed (Cadi Ayyad University)

저널정보: 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제24권 제2호

발행연도: 2023.4

수록면: 222 - 229 (8page)

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Recently, ferroelectric behaviors have been optimized to suit some ecological and electronic applications, such as nonvolatilerandom-access memories. Throughout this study, europium has been proposed to enhance the structure density ofSrBi2−xEuxNb2O9 ceramics (0 ≤ x ≤ 0.50). Indeed, to examine their suitability as layered perovskite ferroelectric materials inthe electronic industry, the effect of europium on phase structure, grain size and morphology, and mainly dielectric behaviors,were investigated. Distinct solid-solutions were prepared for which bismuth was substituted in a small proportion by europiumvia solid-state thermal treatment at 900 °C. The characterization of samples has been done by X-Ray diffraction, Ramanspectroscopy, FTIR spectroscopy, density measurements, and dielectric behavior studies. Substitution of bismuth by europiumreduced dielectric loss and constant, owing to the lower chemical bonds of europium (Eu–O) compared to bismuth (Bi–O). Thisstudy demonstrated that SrBi2−xEuxNb2O9 with x up to 0.40 had an electrical profile adequate for ferroelectric application andcould be used in FeRAM applications.

#SBN #Ferroelectric #Ceramics #Dielectric #Aurivillius

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