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2010 | 8 | 3 | 633-638
Tytuł artykułu

Sonochemical synthesis and chracterization of Mn3O4 nanoparticles

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
We report on the synthesis of Mn3O4 nanoparticles (NPs) using a novel sonochemical method without requiring any pH adjustment. Synthesized material was identified as tetragonal hausmannite crystal structure model of Mn3O4 from XRD analysis. Crystallite size was estimated from x-ray line profile fitting to be 17±5 nm. FTIR analysis revealed stretching vibrations of metal ions in tetrahedral and octahedral coordination confirming the crystal structure. TEM analysis revealed a dominantly cubic morphology of NPs with an average size of ∼20 nm. Magnetic evaluation revealed a blocking temperature, T B of 40 K above which the material behaves paramagnetic. Asymmetric coercive field is attributed to the interaction between ferromagnetic Mn3O4 and antiferromagnetic Mn oxide at the surface of nanoparticles. [...]
Wydawca

Czasopismo
Rocznik
Tom
8
Numer
3
Strony
633-638
Opis fizyczny
Daty
wydano
2010-06-01
online
2010-04-25
Twórcy
  • Department of Chemistry, Fatih University, B.Çekmece, 34500, Istanbul, Turkey, hbaykal@fatih.edu.tr
  • Department of Physics, Fatih University, B.Çekmece, 34500, Istanbul, Turkey
  • Department of Chemistry, Fatih University, B.Çekmece, 34500, Istanbul, Turkey
autor
  • Department of Chemistry, Fatih University, B.Çekmece, 34500, Istanbul, Turkey
autor
  • Department of Physics, Gebze Institute of Technology, 41400, Gebze, Kocaeli, Turkey
  • Department of Physics, Gebze Institute of Technology, 41400, Gebze, Kocaeli, Turkey
  • Functional Materials Division, Royal Institute of Technology — KTH, SE16440, Stockholm, Sweden
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-010-0037-8
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