Issues »  Volume 36, Issue 11

Structural, Morphological, and Magnetic Properties of the Mesoporous Maghemite Synthesized by a Citrate Method

V. O. Kotsyubynsky$^{1}$, A. B. Grubiak$^{1}$, V. V. Moklyak$^{2}$, V. M. Pylypiv$^{1}$, R. P. Lisovsky$^{2}$

$^{1}$Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., 76018 Ivano-Frankivsk, Ukraine
$^{2}$G.V. Kurdyumov Institute for Metal Physics, NAS of Ukraine, 36 Academician Vernadsky Blvd., UA-03680 Kyiv-142, Ukraine

Received: 12.03.2014; final version - 13.10.2014. Download: PDF

Mesoporous maghemite $\gamma$-Fe$_{2}$O$_{3}$ is synthesized by thermal decomposition of iron citrate xerogel. The influences of the precursors’ molar concentration in aqueous solution on the maghemite porosity, its morphology and magnetic structure are investigated. The model of mesoporous $\gamma$-Fe$_{2}$O$_{3}$ formation is presented. The results make possible to determine the conditions for fabrication of magnetic nanomaterials (mesoporous $\gamma$-Fe$_{2}$O$_{3}$) with predetermined structural and morphological characteristics.

Key words: mesoporous maghemite, $\gamma$-Fe$_{2}$O$_{3}$, magnetic nanomaterials, adsorption porometry, Mössbauer spectroscopy.

URL: http://mfint.imp.kiev.ua/en/abstract/v36/i11/1497.html

DOI: https://doi.org/10.15407/mfint.36.11.1497

PACS: 61.05.cp, 68.37.Hk, 68.43.-h, 75.75.Cd, 81.05.Rm, 81.70.Pg, 82.80.Ej

Citation: V. O. Kotsyubynsky, A. B. Grubiak, V. V. Moklyak, V. M. Pylypiv, and R. P. Lisovsky, Structural, Morphological, and Magnetic Properties of the Mesoporous Maghemite Synthesized by a Citrate Method, Metallofiz. Noveishie Tekhnol., 36, No. 11: 1497—1512 (2014) (in Ukrainian)

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