The Simplified Synthesis of Co0.6Zn0.4Fe1.7 Mn0.3O4 Magnetic Nanopowders with High Magnetization by Solid-State Combustion Technique
Keywords:
CZFMO, solid state combustion technique, spinel structure, magnetic propertiesAbstract
Background and Objectives : The aim of this work, the simplified synthesis of magnetic crystal powder Co0.6Zn0.4Fe1.7Mn0.3O4 (CZFMO) via solid-state combustion techniques was studied
Methodology : The simplified synthesis of magnetic crystal powder Co0.6Zn0.4Fe1.7Mn0.3O4 (CZFMO) via solid-state combustion technique was prepared by using glycine as fuel, and raw materials with nitrate compounds. The molar ratio of the fuel to the raw materials was 1:4.27, and calcined temperatures were in the range of 500–800oC.
Main Results : It was found that the CZFMO powders with a calcined temperature between 500 and 800oC for 2 h showed a pure spinel structure with a cubic structure, which corresponded to JCPDS no. 221086. The particles of the CZFMO powders at a calcined temperature of 500–800oC for 2 h exhibited an agglomerated form. The average particle size increased from 70 to 150 nm when the calcination temperature increased. The magnetic properties of CZFMO powders calcined at temperatures of 500–800oC for 2 h showed soft ferromagnetic properties in all samples. The values of magnetization (Ms), remnant magnetization (Mr), and coercive field (Hc) were in the range of 67.60–116.64 emu/g, 14.50–33.50 emu/g, and 7.30–26.45 Oe, respectively.
Conclusions : At a calcined temperature of 750oC, the CMZFO powder exhibited the highest values of Ms, Mr, and Hc at 116.64 emu/g, 33.5 emu/g, and 26.45 Oe, respectively.
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