Magnetic properties of ZnFe2O4 nanoparticles

• Autorzy: Niko Guskos , Spiros Glenis , Janusz Typek , Grzegorz Zolnierkiewicz , Pawel Berczynski , Kamil Wardal , Aleksander Guskos , Daniel Sibera , Dariusz Moszyński , Witold Lojkowski , Urszula Narkiewicz
• Języki publikacji: EN

Abstrakty

EN

Fine particles of ZnFe2O4 were synthesized by a wet chemical method in the (80 wt.% Fe2O3 + 20 wt.% ZnO) system. The morphological and structural properties of the mixed system were investigated by scanning electron microscopy, X-ray diffraction, inductively coupled plasma atomic emission, and X-ray photoelectron spectroscopy. The major phase was determined to be the ZnFe2O4 spinel with particle size of 11 nm. The magnetic properties of the material were investigated by ferromagnetic resonance (FMR) in the temperature range from liquid helium to room temperature. A very intense, asymmetric FMR signal from ZnFe2O4 nanoparticles was recorded, which has been analyzed in terms of two Callen-lineshape lines. Temperature dependence of the FMR parameters was obtained from fitting the experimental lines with two component lines. Analysis of the FMR spectra in terms of two separate components indicates the presence of strongly anisotropic magnetic interactions.

Słowa kluczowe

EN

ferromagnetic resonance; nanopowders

• Czasopismo: Open Physics
• Rocznik: 2012
• Tom: 10
• Numer: 2
• Strony: 470-477

Daty

wydano

2012-04-01

online

2012-03-31

Twórcy

autor

Niko Guskos

autor

Spiros Glenis

• Solid State Section, Department of Physics, University of Athens, Panepistimiopolis, 15 784, Greece

autor

Janusz Typek

• Institute of Physics, Faculty of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology, Al. Piastow 48, 70-311, Szczecin, Poland,

autor

Grzegorz Zolnierkiewicz

• Institute of Physics, Faculty of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology, Al. Piastow 48, 70-311, Szczecin, Poland

autor

Pawel Berczynski

• Institute of Physics, Faculty of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology, Al. Piastow 48, 70-311, Szczecin, Poland

autor

Kamil Wardal

• Institute of Physics, Faculty of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology, Al. Piastow 48, 70-311, Szczecin, Poland

autor

Aleksander Guskos

• Institute of Material Sciences, Faculty of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology, Al. Piastow 19, 70-311, Szczecin, Poland

autor

Daniel Sibera

• Institute of Chemical and Environmental Engineering, West Pomeranian University of Technology, Al. Piastow 17, 70-310, Szczecin, Poland

autor

Dariusz Moszyński

• Institute of Chemical and Environmental Engineering, West Pomeranian University of Technology, Al. Piastow 17, 70-310, Szczecin, Poland

autor

Witold Lojkowski

• Institute of High Pressure Physics, Sokołowska, 29/37, 01-142, Warszawa, Poland

autor

Urszula Narkiewicz

• Institute of Chemical and Environmental Engineering, West Pomeranian University of Technology, Al. Piastow 17, 70-310, Szczecin, Poland

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Identyfikatory

DOI

10.2478/s11534-012-0013-3