Modified Synthesis Temperature of Ba3 Co1.7 Ni0.1 Cu0.1 Mn0.1 Fe24 O41 Z-Type Ferrite Nanoparticles Prepared by Co-Precipitation Method

Mohammad Javad Pourhosseini Asl; Ali Ghasemi; Gholam Reza Gordani

doi:10.4028/www.scientific.net/AMR.829.737

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 829Modified Synthesis Temperature of Ba3 Co1.7 Ni0.1...

Modified Synthesis Temperature of Ba₃Co_1.7Ni_0.1Cu_0.1 Mn_0.1Fe₂₄O₄₁Z-Type Ferrite Nanoparticles Prepared by Co-Precipitation Method

Abstract:

In this study, the low temperature synthesis of barium-Z type hexaferrite nanoparticles was considered. In this manner, the Z-type hexaferrite with the chemical composition of Ba₃Co_1.7Ni_0.1Cu_0.1 Mn_0.1Fe₂₄O₄₁ was synthesized at different temperatures of 900, 1000 and 1100 0C for 3hr. An X-Ray diffraction, field emission scanning electron microscopy (FE-SEM) and a vibrating sample magnetometer (VSM) analysis were carried out to investigate structural and magnetic properties of samples. XRD results showed that the Z-type ferrite phase was formed in all samples. However, At the low temperature synthesis (T=900 0C), the Ba₂Me₂Fe₁₂O₂₂ and BaFe₂O₄ phases were also detected. FE-SEM micrographs showed that with increasing the synthesis temperature, the particle size was increased. It was found that the saturation of magnetization was slightly increased from 54 to 55. 5emugr with an increase in synthesis temperature from 900 to 11000C, while the coercivity increased initially from 670 Oe to 860 Oe and then decreased to 488 Oe. The results also indicated that the temperature of 10000C was the optimum synthesis temperature of Ba-Z type hexaferrite nanoparticles, which was much lower than that of Z-type hexaferrite produced by previous researchers.

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Periodical:

Advanced Materials Research (Volume 829)

Pages:

737-741

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.829.737

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Online since:

November 2013

Authors:

Mohammad Javad Pourhosseini Asl, Ali Ghasemi, Gholam Reza Gordani

Keywords:

Co-Precipitation, Magnetic Property, Synthesis Temperature, Z-Type Hexaferrite

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