Solvothermal Preparation and Magnetic Properties of Monodisperse Superparamagnetic Nanosized Ferrites MFe2O4 (M = Mn, Co, Ni)

被引：0
|
作者：
I. V. Vasylenko
K. S. Gavrilenko
I. E. Kotenko
O. Cador
L. Ouahab
V. V. Pavlishchuk
机构：
[1] National Academy of Sciences of Ukraine,L. V. Pisarzhevskii Institute of Physical Chemistry
[2] UMR 6226 CNRS-UR1 Sciences Chimiques de Rennes,undefined
来源：
Theoretical and Experimental Chemistry | 2014年 / 50卷
关键词：
ferrites; superparamagnetism; solvothermal synthesis; decomposition of monomolecular precursors;
D O I：
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学科分类号：
摘要：
Monodisperse spherical nanoparticles of MIIFe2III O4 (M = Mn, Co, Ni) with controlled diameter (5-20 nm) were synthesized by solvothermal decomposition of [MIIFe2III O(CH3CO2)6(H2O)3] complexes in poly- and tetraethylene glycol. The samples were studied by XRD, TEM, and SQUID magnetometry. The nanoparticles have superparamagnetic behavior. The blocking temperature, magnetization, and magnetic anisotropy barrier decrease, while the magnetic anisotropy constant increases with decreasing particle size.
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页码：226 / 231
页数：5
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