Competing Magnetic Interactions in Zn_3Fe_4V_6O_{24} Studied by Electron Paramagnetic Resonance

• Authors: G Zolnierkiewicz , N Guskos , J Typek , A Blonska-Tabero
• Languages of publication: EN

Abstracts

EN

A multicomponent vanadate M_3Fe_4V_6O_{24} sample with non-magnetic M = Zn(II) ions was synthesized by the solid state reaction method using stoichiometric mixtures of the 80mol% FeVO_4 and 20mol% Zn_3(VO_4)_2. The temperature dependence of the EPR spectra was performed in the 90-280 K temperature range. The resonance field and the integrated intensity of the EPR line showed minimum value of both parameters at≈200 K. It is suggested that a part of the sample is displaying tendency to form an antiferromagnetic ordered state (or the magnetic clusters) above this temperature while below the ferromagnetic interaction of the main part of material is dominating. This behaviour is attributed to the inherent magnetic inhomogeneity of the system due to the presence of the ferromagnetic or antiferromagnetic spin clusters.

Keywords

EN

76.30.-v; 75.50.Dd; 75.50.Ee

Discipline

• 75.50.Ee: Antiferromagnetics
• 75.50.Dd: Nonmetallic ferromagnetic materials
• 76.30.-v: Electron paramagnetic resonance and relaxation(see also 33.35.+r Electron resonance and relaxation in atomic and molecular physics; 87.80.Lg Magnetic and paramagnetic resonance in biological physics)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2006
• Volume: 109
• Issue: 4-5
• Pages: 675-679

Dates

published

2006-04

received

2005-09-25

Contributors

author

G Zolnierkiewicz

• Institute of Physics, Szczecin University of Technology, al. Piastów 17, 70-310 Szczecin, Poland

author

N Guskos

• Institute of Physics, Szczecin University of Technology, al. Piastów 17, 70-310 Szczecin, Poland
• Solid State Physics, Department of Physics, University of Athens, Panepistimiopolis, 15 784 Zografos, Athens, Greece

author

J Typek

• Institute of Physics, Szczecin University of Technology, al. Piastów 17, 70-310 Szczecin, Poland

author

A Blonska-Tabero

• Department of Inorganic and Analytical Chemistry, Szczecin University of Technology, al. Piastów 17, 70-310 Szczecin, Poland

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Identifiers

DOI

10.12693/APhysPolA.109.675