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Synthesis and characterization of iron oxide magnetic nanoparticles Cover

Synthesis and characterization of iron oxide magnetic nanoparticles

Open Access
|Jun 2017

Abstract

Small particles of magnetite, i.e. 7.5, 13.4 and 14.1 nm in diameter, were obtained by the method of co-precipitation. The crystal structure and size distributions were determined by means of transmission electron microscopy and X-ray diffraction. The magnetic properties of the nanoparticles were tested by Mössbauer spectroscopy within the temperature range from 3 K to room temperature (RT). The Mössbauer study of magnetic nanoparticles reveals relaxation behaviour related to the existence of the superparamagnetic phase. The blocking temperature depends on the sizes of the nanoparticles and the ammonia concentration.

DOI: https://doi.org/10.1515/nuka-2017-0009 | Journal eISSN: 1508-5791 | Journal ISSN: 0029-5922
Language: English
Page range: 73 - 77
Submitted on: Jul 15, 2016
Accepted on: Nov 27, 2016
Published on: Jun 9, 2017
Published by: Institute of Nuclear Chemistry and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2017 Zbigniew Surowiec, Mieczysław Budzyński, Katarzyna Durak, Grzegorz Czernel, published by Institute of Nuclear Chemistry and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.