Structural and magnetic properties of gadolinium modified BiFeO3

• Autorzy: Ramirez Guzmán L. M. , Cruz Pacheco A. F. , Gómez Cuaspud J. A. , Parra Vargas C. A.

Identyfikatory

DOI

10.2478/msp-2020-0075

• Języki publikacji: EN

Abstrakty

EN

This paper reports the synthesis and characterization of the Bi_0.94Gd_0.06FeO₃ sample obtained by solid state reaction method. The structural and morphological analysis was performed by X-ray diffraction (XRD), scanning electron microscopy (SEM) and Rietveld refinement analysis, confirming the obtaining of a rhombohedral crystalline phase and R3c space group (a = b = 5.577 Å and c = 13.847 Å), with an interconnected structure. Studies by X-ray photoelectron spectroscopy (XPS) revealed trivalent oxidation states of Bi, Fe and Gd ions. The synthesized sample exhibited a non-linear M–H loop indicating a weak ferromagnetic behavior with a remnant magnetization of 6.34 emu∙mol⁻¹ and a coercive field of 295 Oe. The obtained structural and magnetic characteristics make these materials of great interest as multiferroic components.

Słowa kluczowe

EN

bismuth ferrite; magnetization; multiferroic; solid state reaction; XPS analysis

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2020
• Tom: Vol. 38, No. 4
• Strony: 559--565
• Opis fizyczny: Bibliogr. 30 poz., rys., tab.

Twórcy

autor

Ramirez Guzmán L. M.

• Grupo Fisica de Materiales (GFM), Universidad Pedagógica y Tecnológica de Colombia, Avenida Central del Norte 39-115, 15003, Tunja, Colombia

autor

Cruz Pacheco A. F.

• Grupo Fisica de Materiales (GFM), Universidad Pedagógica y Tecnológica de Colombia, Avenida Central del Norte 39-115, 15003, Tunja, Colombia

autor

Gómez Cuaspud J. A.

• Grupo Fisica de Materiales (GFM), Universidad Pedagógica y Tecnológica de Colombia, Avenida Central del Norte 39-115, 15003, Tunja, Colombia

autor

Parra Vargas C. A.

• Grupo Fisica de Materiales (GFM), Universidad Pedagógica y Tecnológica de Colombia, Avenida Central del Norte 39-115, 15003, Tunja, Colombia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).