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Title: The magnetic and electric measurements of the multiferroic PbFe1/2Nb1/2O3 ceramics obtained using hot uniaxial pressure method
Authors: Bochenek, Dariusz
Skulski, Ryszard
Niemiec, Przemysław
Brzezińska, Dagmara
Rogacki, Krzysztof
Keywords: multiferroics; relaxor materials; magnetoelectric transducers
Issue Date: 2018
Citation: Archives of Metallurgy and Materials, Vol. 63, iss. 3 (2018), s. 1243-1247
Abstract: We present the results of investigations of Pb(Fe1/2Nb1/2)O3 (PFN) ceramic samples obtained using two-step synthesis (i.e. columbite method). For obtained samples complex investigations of microstructure, magnetic and electrophysical properties have been performed at low and at high temperatures. Microstructure is characterized by small grains with high homogeneity and high density (low porosity). Impedance of samples and the phase shift angle have been measured using LCR Meter. Next the AC electric conductivity, dielectric permittivity and loss tangent have been calculated. AC conductivity at frequency 3 Hz was measured in similar way using Quantum Design PPMS System in magnetic fields 1000 Oe and 10000 Oe. At temperature range 240K-260K the anomalies of conductivity are observed. These anomalies depend on measuring cycle (heating, cooling) and magnetic field.
DOI: 10.24425/123797
ISSN: 1733-3490
Appears in Collections:Artykuły (WNŚiT)

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