Hydrothermal Synthesis, Impedance and Optical Properties of Tm-Doped SrBi₂Nb₂O₉ Ceramics

• Autorzy: Afqir Mohamed , Stojadinović Stevan , Elaatmani Mohamed , Zegzouti Abdelouahad , Tahiri Nabiha , Daoud Mohamed

Identyfikatory

DOI

10.24425/amm.2022.137470

• Języki publikacji: EN

Abstrakty

EN

In this study, Strontium Bismuth Niobate (SrBi_2-xTm_xNb₂O₉ with 0 ≤ x ≤ 0.1) doped by Tm was synthesized using by the hydrothermal method. The microstructure and electrical properties were mainly investigated. XRD analysis showed a single-phase orthorhombic structure for Tm-doped SrBi₂Nb₂O₉ samples. The crystallite size is anisotropic and the strain is apparently independent of Tm amount. Dielectric properties for doped SrBi₂Nb₂O₉ with Tm³⁺ ion have the same trend discussed for the pure sample. FTIR resulats showed that NbO₆ octahedral is formed, on one hand, and on the other hand, it shows that spectras for doped and undoped samples are nearly the same. The Cross-section of ceramics showed the plate-like morphology, also the distribution of the pore in ceramics are observed for all samples. Tm dopants produce only minor changes in the impendence parameter values at room temperature. The luminescent (PL) properties of Tm-doped SrBi₂Nb₂O₉ ceramic powders were investigated. The optimum Tm³⁺ concentration for the maximum PL intensity was found to be at x = 0.075.

Słowa kluczowe

EN

hydrothermal; microstructure; impendence; luminescent

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2022
• Tom: Vol. 67, iss. 1
• Strony: 45--50
• Opis fizyczny: Bibliogr. 18 poz., fot., rys., tab.

Twórcy

autor

Afqir Mohamed

• Université Cadi Ayyad, Faculté des Sciences Semlalia, Laboratoire des Sciences des Matériaux et Optimisation des Procédés, Marrakech, Morocco

• https://orcid.org/0000-0002-2636-8810

autor

Stojadinović Stevan

• University of Belgrade, Faculty of Physics, Studentskitrg 12-16, Belgrade, Serbia

• https://orcid.org/0000-0002-6589-6296

autor

Elaatmani Mohamed

• Université Cadi Ayyad, Faculté des Sciences Semlalia, Laboratoire des Sciences des Matériaux et Optimisation des Procédés, Marrakech, Morocco

autor

Zegzouti Abdelouahad

• Université Cadi Ayyad, Faculté des Sciences Semlalia, Laboratoire des Sciences des Matériaux et Optimisation des Procédés, Marrakech, Morocco

• https://orcid.org/0000-0002-4447-3876

autor

Tahiri Nabiha

• Université Cadi Ayyad, Faculté des Sciences Semlalia, Laboratoire des Sciences des Matériaux et Optimisation des Procédés, Marrakech, Morocco

autor

Daoud Mohamed

• Université Cadi Ayyad, Faculté des Sciences Semlalia, Laboratoire des Sciences des Matériaux et Optimisation des Procédés, Marrakech, Morocco

• https://orcid.org/0000-0001-8518-5478

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).