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

Autor:	Shlapa, Yu. Yu., Solopan, S. A., Belous, A. G.
Předmět:	NANOCOMPOSITE materials LANTHANUM STRONTIUM MAGNETIC cores SQUID magnetometers MAGNETIC nanoparticle hyperthermia
Zdroj:	Theoretical & Experimental Chemistry; May2018, Vol. 54 Issue 2, p92-98, 7p
Abstrakt:	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. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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