Theoretical and Experimental Chemistry

, Volume 54, Issue 2, pp 92–98 | Cite as

Magnetothermic Effect in Core/Shell Nanocomposite (La,Sr)MnO3/SiO2

  • Yu. Yu. Shlapa
  • S. A. Solopan
  • A. G. Belous

Approaches have been developed for the creation of magnetic core/shell nanocomposites derived from (La,Sr)MnO3 and SiO2 with particle diameter 40-45 nm. SQUID magnetometry has shown that the presence of the SiO2 shell on the surface of the manganite nanoparticles results in lower saturation magnetization values at the constant blocking temperature. These magnetic nanocomposites displayed a magnetothermic effect with heating of the particles to 43-45 °C in an alternating magnetic field with frequency 300 kHz. This behavior indicates that these materials may be used as inducers of magnetic hyperthermia.

Key words

nanoparticles manganite core/shell structures magnetization blocking temperature specific loss power (SLP) 


This work was carried out in the framework of the directed research program of the National Academy of Sciences of Ukraine entitled Materials for Medicine and Medical Technology, Their Preparation and Use: Development of Biocompatible Medicinal Carriers Derived from Nanosized Magnetic Materials, Carbon and Cerium, State Registry No. 0017U001915 (2017-2021) as well as with partial financial support by the directed research program of the National Academy of Sciences of Ukraine entitled New Functional Compounds and Materials of Chemical Production.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Yu. Yu. Shlapa
    • 1
  • S. A. Solopan
    • 1
  • A. G. Belous
    • 1
  1. 1.V. I. Vernadskii Institute of General and Inorganic ChemistryNational Academy of Sciences of UkraineKyivUkraine

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