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Title: Synthesis And Properties Of Superparamagnetic Y-Fe2o3
Authors: Kotsyubynsky, V.
Moklyak, V.
Hrubiak, A.
Keywords: mossbauer
Issue Date: 2014
Publisher: Vasyl Stefanyk Precarpathian National University
Citation: Kotsyubynsky V. O. Synthesis And Properties Of Superparamagnetic Y-Fe2o3 / V. O. Kotsyubynsky, V. V. Moklyak, A. B. Hrubiak // Journal of Vasyl Stefanyk Precarpathian National University. - 2015. - Vol. 2. - № 2-3. - P. 87-93.
Abstract: Method of nanodispersed y-Fe2O3 synthesis by thermal decomposition of iron citrate is proposed. The investigations of obtained oxides crystal­line and magnetic structures are done. Nanodispersed y-Fe2O3 with sizes of coherent scattering regions about 4-7 nm was is only one phase after gel sintering at 200, 250 and 300оС; the particles of synthesized materials are in a state of magnetic ordering and in superparamagnetic state. The influence of mag­netic dipole interparticles interaction on parameters of Moss­bauer spectra is observed. The phenomenological mo­del of the differences between nanodispersed y-Fe2O3 magnetic micro­structures ob­tained after annealing at different tem­pe­ra­tu­res is presented.
Appears in Collections:Vol. 1, № 1

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