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Premium The effect of agarose content on the morphology, phase evolution, and magnetic properties of CoFe 2 O 4 nanoparticles prepared by sol‐gel autocombustion method
Author(s)
Rouhani Amir Reza,
EsmaeilKhanian Amir Hossein,
Davar Fatemeh,
Hasani Saeed
Publication year2017
Publication title
international journal of applied ceramic technology
Resource typeJournals
PublisherWiley-Blackwell
Abstract Hard‐magnetic CoFe 2 O 4 nanoparticles were produced with the sol‐gel autocombustion route using agarose and citric acid as a neutral organic gel and combustion agent. For this purpose, the obtained gel is annealed at 800°C for 3 hours and then the spinel structure of the samples was confirmed by X‐ray diffraction ( XRD ). In addition, the existence of metal‐oxygen complexes in the gel and nanoparticles was investigated by Fourier transformation infrared ( FTIR ) spectra. Furthermore, FESEM images showed that semispherical and rod‐like particles were obtained by variation in agarose contents. For the rod‐like sample with 2.5 g agarose, the saturation magnetization and coercivity were measured equal to 71.7 emu/g and 10076.84 Oe, respectively.
Subject(s)agarose , biology , chemical engineering , chemistry , chromatography , engineering , genetics , materials science , morphology (biology) , nanoparticle , nanotechnology , organic chemistry , phase (matter) , sol gel
Language(s)English
SCImago Journal Rank0.4
H-Index57
eISSN1744-7402
pISSN1546-542X
DOI10.1111/ijac.12832

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