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La1-xSrxMnO3 nanoparticles were synthesized by precipitation from diethylene glycol solution. Features of synthesis were studied using 1Н, 13С, 139La nuclear magnetic resonance (NMR) investigations. The obtained results showed that the complexation reaction between diethylene glycol and metal cations takes place during the synthesis. These complexes decomposed at 200 ℃ and an amorphous precursor (La,Sr)MnO3 was formed. According to X-ray results, the crystallization of the perovskite structure began at 600 ℃ and finished at 800 ℃. Microstructural studies showed that obtained nanoparticles are weakly agglomerated and have small sizes. Based on these nanoparticles, magnetic fluid was prepared which was effectively heated under an alternating magnetic field.


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Synthesis of ferromagnetic La1-xSrxMnO3 nanoparticles by precipitation from diethylene glycol solution and their properties

Show Author's information Yulia SHLAPAa( )Sergii SOLOPANaOleksandr YELENICHaVolodymyr TRACHEVSKIIbAnatolii BELOUSa
V.I. Vernadsky Institute of General and Inorganic Chemistry, NAS of Ukraine, 32/34 Palladina Avenue, 03680, Kyiv 142, Ukraine
Technical Center NAS of Ukraine

Abstract

La1-xSrxMnO3 nanoparticles were synthesized by precipitation from diethylene glycol solution. Features of synthesis were studied using 1Н, 13С, 139La nuclear magnetic resonance (NMR) investigations. The obtained results showed that the complexation reaction between diethylene glycol and metal cations takes place during the synthesis. These complexes decomposed at 200 ℃ and an amorphous precursor (La,Sr)MnO3 was formed. According to X-ray results, the crystallization of the perovskite structure began at 600 ℃ and finished at 800 ℃. Microstructural studies showed that obtained nanoparticles are weakly agglomerated and have small sizes. Based on these nanoparticles, magnetic fluid was prepared which was effectively heated under an alternating magnetic field.

Keywords:

manganite, perovskite, precipitation, complexation reaction, diethylene glycol, nuclear magnetic resonance (NMR)
Received: 30 November 2015 Revised: 12 April 2016 Accepted: 25 April 2016 Published: 29 June 2016 Issue date: September 2016
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Publication history
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Publication history

Received: 30 November 2015
Revised: 12 April 2016
Accepted: 25 April 2016
Published: 29 June 2016
Issue date: September 2016

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© The author(s) 2016

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