<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The study of carrier transport in granular nanocomposite films consisting of ferromagnetic Fe45Co45Zr10 alloy nanoparticles embedded in a low-conductive Pb81Sr4(Na5Bi5)15(Zr57.5Ti42.5)O3 matrix has been performed. Real part of the impedance of the nanocomposites was studied as a function of composition, temperature and frequency, for the samples with 25 ≤ x ≤ 80 at.%, deposited by ion-beam sputtering in Ar + O2 gas mixture at the oxygen pressures of $P_{O_2 } $ = 2.4·10−3 and 3.7·10−3 Pa. It has been proved that approaching the threshold concentration, x
                        C in the FeCoZr alloy resulted in the transition from high-ohmic to low-ohmic state with the x increase, without the change of hopping mechanism of carrier transport.</p></abstract>

The study of carrier transport in granular nanocomposite films consisting of ferromagnetic Fe45Co45Zr10 alloy nanoparticles embedded in a low-conductive Pb81Sr4(Na5Bi5)15(Zr57.5Ti42.5)O3 matrix has been performed. Real part of the impedance of the nanocomposites was studied as a function of composition, temperature and frequency, for the samples with 25 ≤ x ≤ 80 at.%, deposited by ion-beam sputtering in Ar + O2 gas mixture at the oxygen pressures of $P_{O_2 } $ = 2.4·10−3 and 3.7·10−3 Pa. It has been proved that approaching the threshold concentration, x
                        C in the FeCoZr alloy resulted in the transition from high-ohmic to low-ohmic state with the x increase, without the change of hopping mechanism of carrier transport.

Temperature and frequency dependences of real part of impedance in the FeCoZr-doped PZT nanogranular composites

Belarusian State University, 4 Nezavisimosti Str., 220030, Minsk, Belarus

National Center of Particles and High Energy Physics of BSU, 153 M. Bogdanovich Str., 220040, Minsk, Belarus

Lublin University of Technology, 38a Nadbystrzycka Str., 20-618, Lublin, Poland

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The study of carrier transport in granular nanocomposite films consisting of ferromagnetic Fe45Co45Zr10 alloy nanoparticles embedded in a low-conductive...

Temperature and frequency dependences of real part of impedance in the FeCoZr-doped PZT nanogranular composites

Publié en ligne: 18 juil. 2012

Pages: 75 - 81

DOI: https://doi.org/10.2478/s13536-012-0015-2

Mots clés
impedance, ion-beam sputtering, nanocomposites

© 2012 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Temperature and frequency dependences of real part of impedance in the FeCoZr-doped PZT nanogranular composites

Publié en ligne: 18 juil. 2012

Pages: 75 - 81

DOI: https://doi.org/10.2478/s13536-012-0015-2

Mots clésimpedance, ion-beam sputtering, nanocomposites

© 2012 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
impedance, ion-beam sputtering, nanocomposites