Layered magnetite nanoparticles modification – synthesis, structure, and magnetic characterization

U. Klekotka, D. Satula, P. Nordblad, B. Kalska-Szostko
2017 Arabian Journal of Chemistry  
Core-shell and multilayered nanoparticles based on magnetite core with different metallic spacing and over-layers are prepared in one pot synthesis and characterized. The spacer layers were made from Au, Cu or Ag precursors. The nanoparticles were fabricated by a modified chemical seed based method. The obtained nanoparticles were examined by X-ray diffraction, Energy-dispersive Xray spectroscopy, Transmission Electron Microscopy, Differential Scanning Calorimetry and Infrared spectroscopy.
more » ... d spectroscopy. Magnetic properties of the nanoparticles were tested by Mo¨ssbauer spectroscopy and Magnetometry. Magnetization and Mo¨ssbauer measurements show that the presence of the metallic layers influences the magnetic state of the particles. XRD and EDX confirm layered structures of nanoparticles. Proposed synthesis allows for fabrication of layered particles with controlled morphology and register properties changes which are related to the nature of each subsequent layer. Ó 2017 Production and hosting by Elsevier B.V. on behalf of King Saud University. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
doi:10.1016/j.arabjc.2017.11.002 fatcat:wict2xtlcbcn5bcoozsncyec74