Magnetic resonance study of co-modified (Co,N)-TiO2 nanocomposites-Reference-Cited by-同舟云学术

Magnetic resonance study of co-modified (Co,N)-TiO2 nanocomposites

Published:2015-07-01 Issue:3 Volume:60 Page:411-416
ISSN:0029-5922
Container-title:Nukleonika
language:en
Short-container-title:

Author:

Guskos Niko¹,Zolnierkiewicz Grzegorz²,Guskos Aleksander²,Typek Janusz²,Berczynski Pawel²,Dolat Diana³,Mozia Sylwia³,Aidinis Constantinos⁴,Morawski Antoni W.³

Affiliation:

1. Department of Solid State Physics, Faculty of Physics, University of Athens, Panepistimioupolis, GR-157 84 Athens, Greece and Department of Physics, West Pomeranian University of Technology, 48 Piastow Ave., 70-311 Szczecin, Poland

2. Department of Physics, West Pomeranian University of Technology, 48 Piastow Ave., 70-311 Szczecin, Poland, Tel.: +48 91 449 4595, Fax: +48 91 449 4181

3. Institute of Chemical and Environmental Engineering, West Pomeranian University of Technology, 10 Pulaskiego Str., 70-322 Szczecin, Poland

4. Department of Electronics-Computers-Telecommunications and Control, Faculty of Physics, University of Athens, Panepistimioupolis, GR-157 84 Athens, Greece

Abstract

Abstract Three nCo,N-TiO2 nanocomposites (where cobalt concentration index n = 1, 5 and 10 wt %) were prepared and investigated by magnetic resonance spectroscopy at room temperature. Ferromagnetic resonance (FMR) lines of magnetic cobalt agglomerated nanoparticle were dominant in all registered spectra. The relaxation processes and magnetic anisotropy of the investigated spin system essentially depended on the concentration of cobalt ions. It is suggested that the samples contained two magnetic types of sublattices forming a strongly correlated spin system. It is suggested that the existence of strongly correlated magnetic system has an essential influence of the photocatalytic properties of the studied nanocomposites.

Publisher

Walter de Gruyter GmbH

Subject

Waste Management and Disposal,Condensed Matter Physics,Safety, Risk, Reliability and Quality,Instrumentation,Nuclear Energy and Engineering,Nuclear and High Energy Physics

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