- A study on Magnetic Properties of BaFe12O19 Fabricated by Ultrasonic Spray-pyrolysis Process Using Self-Assembly Method
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Moon-Hee Choi, Ji-Hun Yu, Dong-Hwan Kim, Kook-Chae Chung, Yang-Do Kim
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J Korean Powder Metall Inst. 2010;17(4):263-269.
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DOI: https://doi.org/10.4150/KPMI.2010.17.4.263
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- Hexagonal barium ferrite (BaFe_12O_19) nano-particles have been successfully fabricated by spraypylorysis process. BaFe_12O_19 precursor solutions were synthesized by self-assembly method. Diethyleneamine (DEA) surfactant was used to fabricate the micelle structure of Ba-DEA complex under various DEA concentrations. BaFe_12O_19 powders were synthesized with addition of Fe ions to Ba-DEA complex and then fabricated BaFe_12O_19 powders by spray-pyrolysis process at the temperature range of 800sim1000°C. The molar ratio of Ba/DEA and heat-treatment temperatures significantly affected the magnetic properties and morphology of BaFe_12O_19 powders. BaFe_12O_19 powders synthesized with Ba/DEA molar ratio of 1 and heat-treated at 900°C showed the coercive forces (iHc) of 4.2 kOe with average crystal size of about 100 nm.
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Citations
Citations to this article as recorded by  - Synthesize of Nd2Fe14B Powders from 1-D Nd2Fe14B Wires using Electrospinning Process
Nu Si A Eom, Su Noh, Muhammad Aneeq Haq, Bum Sung Kim
Journal of Korean Powder Metallurgy Institute.2019; 26(6): 477. CrossRef
- A Study on Magnetic Properties of BaFe12O_19 Fabricated by Self-assembly Method
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Moon-Hee Choi, Ji-Hun Yu, Dong-Hwan Kim, Hye-Mum Lee, Su-Min Kim, Yang-Do Kim
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J Korean Powder Metall Inst. 2009;16(6):410-415.
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DOI: https://doi.org/10.4150/KPMI.2009.16.6.410
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161
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0
Download
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1
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Abstract
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- Hexagonal barium ferrite (BaFe_12O_19) nano-particles have been successfully synthesised using selfassembly method. Diethyleneamine (DEA) surfactant was used to fabricate the micelle structure of Ba-DEA complex under various DEA concentrations. BaFe_12O_19 powders were synthesized with addition Fe ions to Ba-DEA complex and then heat treated at temperature range of 800-1000°C. The molar ratio of Ba/DEA and heat-treatment temperature significantly affected the magnetic properties and morphology of BaFe_12O_19 powders. BaFe_12O_19 powders synthesized with Ba/DEA molar ratio of 1 and heat-treated at 1000°C for 1 hour showed the coercive forces (iHc) of 4.84 kOe with average crystal size of about 200 nm.
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Citations
Citations to this article as recorded by - A study on Magnetic Properties of BaFe12O19Fabricated by Ultrasonic Spray-pyrolysis Process Using Self-Assembly Method
Moon-Hee Choi, Ji-Hun Yu, Dong-Hwan Kim, Kook-Chae Chung, Yang-Do Kim
Journal of Korean Powder Metallurgy Institute.2010; 17(4): 263. CrossRef
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