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:: Volume 6, Issue 3 (12-2017) ::
2017, 6(3): 67-78 Back to browse issues page
Magnetic and heating rate properties of Mn1-xCoxFe2O4 nanoparticles synthesized by coprecipitation method
Abstract:   (265 Views)
In this work, Mn1-xCoxFe2O4 (x=0, 0.1, 0.2, 0.3, 0.4 and 0.5) nanoparticles have been prepared by coprecipitation method. The effects of Co2+ substitution on the cation distribution between tetrahedral and octahedral sites in spinel structure, magnetic properties and AC magnetically induced heating characteristics were investigated. The structure and cation distribution characterized by X-ray diffraction and Raman spectroscopy showed the substituted Co2+ cations mainly entered to octahedral sites. The particle size of the as-coprecipitated powders observed by scanning electron microscopy decreased with cobalt additions. Magnetic properties of Mn1-xCoxFe2O4 nanoparticles studied by vibrating sample magnetometry showed the highest coercivity and saturation magnetization of 790 Oe and 32.8 emu/g for Mn0.7Co0.3Fe2O4 nanoparticles, respectively. The Mn0.7Co0.3Fe2O4 nanoparticles exhibited the AC heating temperature of 8 °C and specific loss power of 1.4 W/g in comparison with 4 °C and 0.35 W/g for the as-coprecipitated MnFe2O4 powders.
 
Keywords: Mn1-xCoxFe2O4, Coprecipitation, Magnetic properties, Specific loss power
Full-Text [PDF 1398 kb]   (77 Downloads)    
Type of Study: Research | Subject: Special
Received: 2018/03/17 | Accepted: 2018/03/17 | Published: 2018/03/17
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Magnetic and heating rate properties of Mn1-xCoxFe2O4 nanoparticles synthesized by coprecipitation method. Iranian Journal of Ceramic Science & Engineering. 2017; 6 (3) :67-78
URL: http://ijcse.ir/article-1-534-en.html


Volume 6, Issue 3 (12-2017) Back to browse issues page
نشریه علم و مهندسی سرامیک Iranian Journal of Ceramic Science & Engineering
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