Aprilia Dewi Ardiyanti, Sunaryono Sunaryono, Andy Choerullah, Hari Wisodo, Nandang Mufti, Ahmad Taufiq
Magnetic nanoparticles is a material potensial that can be used in few field of nanotechnology such as absorbent, catalyst, energy storage, biomedical and cancer treatment. Every magnetic nanoparticles has different properties, so it will appear unique when two magnetic materials were composited into one unit. Mn0.25Fe2.75O4/NiCo2O4 nanocomposites were successfully synthesized by using simple coprecipitation and sonication methods. To determine nanostructure and Spesific Absorption Rate (SAR) value of sample, Mn0.25Fe2.75O4/NiCo2O4 nanocomposites were successfully characterized by using XRD, SEM, and Magneto-thermal instrument, respectively. Based on data analysis, the XRD profile of Mn0.25Fe2.75O4/NiCo2O4 is combaining from two phase of Mn0.25Fe2.75O4 and NiCo2O4. By using the Debye Scherer equation, the particle size of Mn0.25Fe2.75O4/NiCo2O4 nanocomposites is about 10.64 nm and presentage crystallinity of 67.66%. SEM characterization show that there is agglomeration in the nanocomposites due to the large surface energy between the particles. Furthermore, SAR value of Mn0.25Fe2.75O4/NiCo2O4 nanocomposites revealed the optimum value with the 0.338 Watt every gram. © 2023 Trans Tech Publications Ltd, Switzerland.
Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Malang, Jl. Semarang No. 5, Malang, 65145, Indonesia; Research Center of Minerals and Advanced Materials, Faculty of Mathematics and Natural Sciences, Universitas Negeri Malang, Jl. Semarang No. 5, Malang, 65145, Indonesia
