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2015 | 13 | 1 |
Tytuł artykułu

Magnetic properties of co-modified Fe,N-TiO2nanocomposites

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Iron and nitrogen co-modified titanium dioxide nanocomposites, nFe,N-TiO2 (where n = 1, 5 and 10 wt% of Fe), were investigated by detailed dc susceptibility and magnetization measurements. Different kinds of magnetic interactions were evidenced depending essentially on iron loading of TiO2. The coexistence of superparamagnetic, paramagnetic and ferromagnetic phases was identified at high temperatures. Strong antiferromagnetic interactions were observed below 50 K, where some part of the nanocomposite entered into a long range antiferromagnetic ordering. Antiferromagnetic interactions were attributed to the magnetic agglomerates of iron-based and trivalent iron ions in FeTiO3 phase,whereas ferromagnetic interactions stemmed from the F-center mediated bound magnetic polarons.
Słowa kluczowe
Wydawca

Czasopismo
Rocznik
Tom
13
Numer
1
Opis fizyczny
Daty
wydano
2015-01-01
otrzymano
2014-04-09
zaakceptowano
2014-07-28
online
2014-11-03
Twórcy
  • Department of Physics, West Pomeranian University of Technology, Al. Piastow 48, 70-311 Szczecin, Poland, gzolnierkiewicz@zut.edu.pl
  • Department of Solid State Physics, University of Athens, Panepistimioupolis, GR-157 84 Athens, Greece
autor
  • Department of Physics, West Pomeranian University of Technology, Al. Piastow 48, 70-311 Szczecin, Poland
  • Department of Physics, West Pomeranian University of Technology, Al. Piastow 48, 70-311 Szczecin, Poland
autor
  • Department of Physics, West Pomeranian University of Technology, Al. Piastow 48, 70-311 Szczecin, Poland
  • Department of Physics, West Pomeranian University of Technology, Al. Piastow 48, 70-311 Szczecin, Poland
autor
  • Department of Chemical and Environmental Engineering, West Pomeranian University of Technology, Al. Piastow 17, 70-310 Szczecin, Poland
autor
  • Department of Chemical and Environmental Engineering, West Pomeranian University of Technology, Al. Piastow 17, 70-310 Szczecin, Poland
  • Department of Chemical and Environmental Engineering, West Pomeranian University of Technology, Al. Piastow 17, 70-310 Szczecin, Poland
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_1515_phys-2015-0009
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