Avrami behavior of magnetite nanoparticles formation in co-precipitation process | Zendy

Reza Ahmadi | Zendy; Hamid Reza Madaah Hosseini | Zendy; Afshin Masoudi | Zendy

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Avrami behavior of magnetite nanoparticles formation in co-precipitation process

Author(s) -

Reza Ahmadi,

Hamid Reza Madaah Hosseini,

Afshin Masoudi

Publication year - 2011

Publication title -

journal of mining and metallurgy section b metallurgy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.42

H-Index - 20

eISSN - 2217-7175

pISSN - 1450-5339

DOI - 10.2298/jmmb110330010a

Subject(s) - coprecipitation , nucleation , magnetite , nanoparticle , materials science , transmission electron microscopy , chemical engineering , precipitation , avrami equation , kinetics , characterization (materials science) , analytical chemistry (journal) , nanotechnology , chemistry , metallurgy , chromatography , organic chemistry , physics , crystallization of polymers , quantum mechanics , meteorology , engineering

In this work, magnetite nanoparticles (mean particle size about 20 nm) were synthesized via coprecipitation method. In order to investigate the kinetics of nanoparticle formation, variation in the amount of reactants within the process was measured using pH-meter and atomic absorption spectroscopy (AAS) instruments. Results show that nanoparticle formation behavior can be described by Avrami equations. Transmission electron microscopy (TEM) and X-ray diffraction (XRD) were performed to study the chemical and morphological characterization of nanoparticles. Some simplifying assumptions were employed for estimating the nucleation and growth rate of magnetite nanoparticles

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