Study of CuO and V2O5 Effect on IR Spectra of Polycrystalline Bismuth Niobate

• Autorzy: Kuźniarska-Biernacka I. , Lisińska-Czekaj A. , Czekaj D.

Identyfikatory

DOI

10.24425/amm.2020.132826

• Języki publikacji: EN

Abstrakty

EN

Bismuth niobate (BiNbO₄) ceramics were fabricated by mixed oxide method and sintered by presureless sintering method. BiNbO₄ ceramics doped with V₂ O₅ additive in amount 0.125 wt%, 0.250 wt% and 1 wt% of was sintered at T = 910°C whereas BiNbO₄ ceramics doped with 2 wt% of CuO additive was sintered at T = 890°C and T = 910°C. It was found that V₂ O₅ additive improved morphology of the ceramic samples. However, the chemical composition of BiNbO₄ ceramics in relation to bismuth oxide and niobium oxide manifested a tendency of lack of Bi₂ O₃ component. Absorption bands for the BiNbO₄ compound were identified. FTIR band positions associated with NbO₆ octahedra suggested that the crystal structure changes after V₂ O₅ incorporation.

Słowa kluczowe

EN

BiNbO4; ceramics; SEM; FTIR spectroscopy

• 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: 2020
• Tom: Vol. 65, iss. 2
• Strony: 817--821
• Opis fizyczny: Bibliogr. 14 poz., fot., rys., tab.

Twórcy

autor

Kuźniarska-Biernacka I.

• Requimte/Laqv, Departamento de Química e Bioquímica, Faculdade de Ciências, Univ. do Porto, Rua do Campo Alegre S/N, 4169-007 Porto, Portugal

autor

Lisińska-Czekaj A.

• Gdańsk University of Technology, Faculty of Mechanical Engineering, Department of Materials Engineering and Welding, 11/12, Narutowicza Str., 80-233 Gdańsk, Poland

autor

Czekaj D.

• Gdańsk University of Technology, Faculty of Mechanical Engineering, Department of Materials Engineering and Welding, 11/12, Narutowicza Str., 80-233 Gdańsk, Poland

Bibliografia

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Uwagi

EN

1. The present research has been supported by Polish National Science Centre (NCN) as a research project N N507 218540. The work was supported by UIDB/50006/2020 with funding from FCT/MCTES through nationalfunds.

PL

2. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).