Synthesis of Hexaferrite Nanoparticles by Spray Pyrolysis Method

Synthesis of Hexaferrite Nanoparticles by Spray Pyrolysis Method

We successfully synthesized M-(BaFe12O19) and Co2Y-type (Ba2Co2Fe12O22) hexagonal ferrite nanoparticles by the technique of ultrasonic spray pyrolysis. Starting solution was a mixture of iron, barium and cobalt nitrates and deionized water with stoichiometric composition of hexaferrites. The product...

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Veröffentlicht in:Journal of the Japan Society of Powder and Powder Metallurgy 2004, Vol.51 (11), p.795-801
Hauptverfasser: Takada, Yukio, Nishio, Takuya, Nakagawa, Takashi, Yamamoto, Takao A., Seino, Satoshi, Niihara, Koichi, Adachi, Motoaki
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container_end_page 801
container_issue 11
container_start_page 795
container_title Journal of the Japan Society of Powder and Powder Metallurgy
container_volume 51
creator Takada, Yukio
Nishio, Takuya
Nakagawa, Takashi
Yamamoto, Takao A.
Seino, Satoshi
Niihara, Koichi
Adachi, Motoaki
description We successfully synthesized M-(BaFe12O19) and Co2Y-type (Ba2Co2Fe12O22) hexagonal ferrite nanoparticles by the technique of ultrasonic spray pyrolysis. Starting solution was a mixture of iron, barium and cobalt nitrates and deionized water with stoichiometric composition of hexaferrites. The products were collected by use of an electrostatic precipitator. Effects of temperature and gas-flow rate on occurring phase and grain morphology were investigated. The product was characterized with XRD and SEM experiments. Single phase materials of these hexaferrites with particle size of 100 nm -1 mm were obtained at lower temperature. These experiments indicate that the gas-flow rate influences on the formation temperature and that the temperature in heating zone affects grain morphology of resultant particles.
doi_str_mv 10.2497/jjspm.51.795
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title Synthesis of Hexaferrite Nanoparticles by Spray Pyrolysis Method
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