期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 350, 期 -, 页码 124-128出版社
ELSEVIER
DOI: 10.1016/j.jmmm.2013.09.037
关键词
Spinel ferrite; Superparamagnetic; Curie temperature; Magnetic hyperthermia
资金
- Ministry of Higher Education, Science and Technology of the Republic of Slovenia within the National Research Program
Mg1+xFe2-2xTixO4 ferrite nanoparticles for Self-Regulating Magnetic-Fluid Hyperthermia were synthesized by the co-precipitation of Fe3+, Mg2+ and Ti4+ ions using NaOH, The hydroxide precursors were heated to 1000 degrees C in air and the product, (Mg.Ti)-ferrite, was milled in the presence of a surfactant in a high-energy mill, resulting in the magnetic fluid. The magnetic particles were characterized with transmission electron microscopy. X-ray diffractiometry and magnetic measurements. The Mg1+xFe2-2xTixO4 nanoparticles with x=0.37 exhibited a room-temperature magnetization of 8 emu/g at 1 land a Curie temperature (T-c) of 46 degrees C. The heating ability of the nanoparticles in an AC magnetic field was measured using a calorimeter. (C) 2013 Elsevier B.V. All rights reserved.
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