Synthesis of α-Fe2O3 nanoparticles and analyzing the effect of annealing temperature on its properties

• Autorzy: Thimmiah Bhargavi Ram , Nallathambi Gobi

Identyfikatory

DOI

10.2478/msp-2020-0005

• Języki publikacji: EN

Abstrakty

EN

α-Fe₂O₃ nanoparticles were synthesized via co-precipitation technique using ferric and ferrous salts and potassium hydroxide as precipitation agents. The samples were calcined at 350 °C, 550 °C and 750 °C for 3 hours. The obtained iron oxide was characterized by X-ray diffraction (XRD), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), and dynamic light scattering (DLS). Crystallinity of the sample was studied by X-ray diffraction. SEM micrographs showed nonuniform size distribution of the particles forming agglomerates. TGA analysis revealed trace amount of weight loss and material stability for the samples calcined at temperatures above 500 °C. DLS results indicated that increasing of annealing temperature resulted in reduction of the particle size and more uniform size distribution. At the maximum annealing temperature of 750 °C, the mean diameter of the particles of 100 nm was observed.

Słowa kluczowe

EN

magnetic nanoparticles; α-Fe2O3; co-precipitation; annealing temperature

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2020
• Tom: Vol. 38, No. 1
• Strony: 116--121
• Opis fizyczny: Bibliogr. 35 poz., tab., rys.

Twórcy

autor

Thimmiah Bhargavi Ram

• Department of Textile Technology, Anna University, Chennai 600 025, Tamilnadu, India

autor

Nallathambi Gobi

• Department of Textile Technology, Anna University, Chennai 600 025, Tamilnadu, India

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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 (2020).