Publication: A simple route to synthesize new binary cobalt iron cyclotetraphosphate CoFeP4O12 using aqueous and acetone media
Issued Date
2009-11-03
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ISSN
09258388
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2-s2.0-70350222350
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of Alloys and Compounds. Vol.486, No.1-2 (2009), 689-692
Suggested Citation
Banjong Boonchom, Montree Thongkam, Samart Kongtaweelert, Naratip Vittayakorn A simple route to synthesize new binary cobalt iron cyclotetraphosphate CoFeP4O12 using aqueous and acetone media. Journal of Alloys and Compounds. Vol.486, No.1-2 (2009), 689-692. doi:10.1016/j.jallcom.2009.07.036 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/27544
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Title
A simple route to synthesize new binary cobalt iron cyclotetraphosphate CoFeP4O12 using aqueous and acetone media
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Abstract
A new binary cobalt iron cyclotetraphosphate, CoFeP4O12 was synthesized through solid phase reaction using cobalt carbonate, iron metal and phosphoric acid in the presence of water-acetone media with further calcinations at the temperature of 500 °C. The particle size obtained from X-ray line broadening is 65 ± 24 nm for the CoFeP4O12. FTIR spectrum of CoFeP4O12 is assigned based on the P4O124- ion in the structure. The SEM micrograph of the synthesized CoFeP4O12 shows non-uniform microparticle, which is important for specific application. Room temperature magnetization result shows superparamagnetic behavior of the CoFeP4O12 powder, having no hysteresis loop in the range of ±10,000 Oe with the specific magnetization value of 14.243 emu/g. The XRD and FTIR results of the synthesized CoFeP4O12 appear to be very similar to that of M2P4O12 (M = Co and Fe), which indicates the monoclinic phase with space group C2/c. © 2009 Elsevier B.V.