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Layered magnetite nanoparticles modification: synthesis, structure, and magnetic characterization
Univ Bialystok, Inst Chem, Ciolkowskiego 1K, PL-15245 Bialystok, Poland.
Univ Bialystok, Fac Phys, Ciolkowskiego 1L, PL-15245 Bialystok, Poland.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Materials Science and Engineering, Solid State Physics.ORCID iD: 0000-0002-4561-9996
Univ Bialystok, Inst Chem, Ciolkowskiego 1K, PL-15245 Bialystok, Poland.
2020 (English)In: ARABIAN JOURNAL OF CHEMISTRY, ISSN 1878-5352, Vol. 13, no 1, p. 1323-1334Article in journal (Refereed) Published
Abstract [en]

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 X-ray spectroscopy, Transmission Electron Microscopy, Differential Scanning Calorimetry and Infrared spectroscopy. Magnetic properties of the nanoparticles were tested by Mossbauer spectroscopy and Magnetometry. Magnetization and Mossbauer 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.

Place, publisher, year, edition, pages
2020. Vol. 13, no 1, p. 1323-1334
Keywords [en]
Magnetic materials, Nanoparticles, Structural characterization, Magnetic characterization
National Category
Materials Chemistry Physical Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-402613DOI: 10.1016/j.arabjc.2017.11.002ISI: 000505076000096OAI: oai:DiVA.org:uu-402613DiVA, id: diva2:1386914
Available from: 2020-01-20 Created: 2020-01-20 Last updated: 2020-01-20Bibliographically approved

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