Effects of hydrothermal process parameters on the physical,magnetic and thermal properties of Zn0.3Fe2.7O4 nanoparticles for magnetic hyperthermia applications |
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| Affiliation: | 1. Department of Physics, Aristotle University of Thessaloniki, 54124 Greece;2. Fakultät für Physik and Center for Nanointegration Duisburg-Essen (CeNIDE), Universität Duisburg-Essen, Lotharstr. 1, Duisburg D-47048, Germany;3. EMAT, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium;1. Nanotechnology Laboratory, Department of Physics & Materials Science, Jaypee University of Information Technology, Waknaghat 173234, India;2. Department of Physics and Materials Science, Jaypee Institute of Information Technology, A-10, Sector-62, Noida 201307, India;1. Graduate School of Science and Technology, Shizuoka University, 3-5-1 Johoku Naka-ku, Hamamatsu 432-8561, Japan;2. Materials Science Division, Atomic Energy Centre, Bangladesh Atomic Energy Commission, Dhaka 1000, Bangladesh;3. Department of Electronics and Materials Science, Shizuoka University, 3-5-1 Johoku Naka-ku, Hamamatsu 432-8561, Japan;4. Department of Materials Science and Biotechnology, Graduate School of Science and Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama 790-85770, Japan;5. Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology, 2-12-1 O-okayama Meguro-ku, Tokyo 152-8550, Japan;6. Research Institute of Electronics, Shizuoka University, 3-5-1 Johoku Naka-ku, Hamamatsu 432-8561, Japan;1. Interface Traitement Organisation et Dynamique des Systèmes (TODYS), Université Paris Diderot, Sorbonne Paris Cité, CNRS UMR-7086, 75013, Paris, France;2. Institut Cochin, Université Paris Descartes, Sorbonne Paris Cité, CNRS UMR-8104, INSERM U1016, 75005 Paris, France;3. Laboratoire de Physiologie Intégrée (LPI), Université de Carthage, 7021, Jarzouna, Tunisia;4. Matière et Systèmes Complexes (MSC), Université Paris Diderot, Sorbonne Paris Cité, CNRS UMR-7057, 75013, Paris, France;1. Dokuz Eylul University,Department of Medical Imaging Techniques, İnciralti, 35340 İzmir, Turkey;2. Hacettepe University, Department of Physics Engineering, Beytepe, 06800 Ankara, Turkey;3. Department of Chemistry and Industrial Chemistry, Università di Pisa and INSTM, Pisa I-56124, Italy;4. Department of Chemistry “U.Schiff”, Università degli Studi di Firenze and CSGI, Sesto Fiorentino I-50019, Italy;5. Hitit University, Department of Physics, 19040 Çorum, Turkey |
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| Abstract: | Effects of hydrothermal temperature and time on physical, magnetic and thermal properties of Zn-substituted magnetite nanoparticles (Zn0.3Fe2.7O4) were assessed. The magnetic nanoparticles were synthesized via citric acid-assisted hydrothermal reduction route at temperatures of 150, 175 and 200 °C for duration of 10, 15 and 20 h. The nanoparticles were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), vibrating sample magnetometer (VSM) and specific loss power (SLP) measurements. The results showed that temperature and time of the hydrothermal process both had significant effects on nanoparticles composition and properties. It was observed that at 150 °C, heat generation was insufficient to produce activation energy required for nucleation of Zn0.3Fe2.7O4 spinel nanoparticles, even after a long time. At 175 °C, although temperature was low, but the suitable condition for nucleation of nanoparticles was made and spinel nanoparticles with the size of about 13 nm were formed after 15 h. Nonetheless, since crystallinity and SLP of the nanoparticles was low, they showed weak performance for magnetic hyperthermia. At 200 °C, the required activation energy was provided for nanoparticles nucleation; however, the spinel was oxidized to hematite, resulting in a decrease in thermal and magnetic properties. In overall, the nanoparticles synthesized at 200 °C for 15 h possessed the best characteristics of reasonable purity, saturation magnetization of about 35.9 emu/g and SLP of 18.7 W/g. |
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| Keywords: | Magnetic nanoparticles Hydrothermal process Hyperthermia Zn-substituted magnetite nanoparticles |
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