This paper presents results of researches on annealing influence on AC electric properties of nanocomposite (FeCoZr)x(CaF2)(100-x) with metallic phase content x = 81.8 at.% which was produced by ion-beam sputtering in argon Ar and oxygen O2 atmosphere. It was observed that there are two types of potential wells in the material, which are different in relaxation times. Annealing causes maximums disappearance on frequency dependence on frequency coefficient α and growing section smoothing, which means complete oxidation of material.


nanocomposites; annealing; conductivity

Billas I. M. L., Chatelain A., de Heer W. A.: Magnetism of Fe, Co and Ni clusters in molecular beams. J. Magn. Magn. Mater.168/1997, 64–84.

Czarnacka K., Boiko O., Bondariev V., Kierczyński K.: Voltage Resonance Phenomena in Nanocomposite Cu27.27(SiO2)72.73 Produced by Sputtering with Ar+ Ion Beam. 5th International Conference Radiation Interaction With Materials: Fundamentals and Applications 2014, 12-15 May/2014, 358–362.

Hubyn S. P., Koksharov Yu. A., Khomutov H. B., Yurkov H. Yu.: Mahnytnye nanochastytsy: metody poluchenyya, stroenyya y svoystva. Uspekhy khymyy 74(6)/2005, 539–574 (in Ukrainian).

Judy J. H.: Advancements in PMR thin-film media. J. Magn. Magn. Mater. 287/2005, 16–26.

Kalinin Yu. E., Ponomarenko A. T., Sitnikov A. V., Stogney O. V.: Granular metal-insulator nanocomposites with amorphous structure. Physics and Chemistry of Materials Treatment 5/2001, 14–20.

Kołtunowicz T. N., Fedotova J. A., Zhukowski P., Saad A., Fedotov A., Kasiuk J. V., Larkin A. V.: Negative capacitance in (FeCoZr)-(PZT) nanocomposite films. Journal of Physics D: Applied Physics 46(12)/2013, 125304.

Larkin A. V., Fedotov A. K., Fedotova J. A., Koltunowicz T. N., Zhukowski P.: Temperature and frequency dependences of impedance real part in the FeCoZr-doped PZT nanogranular composites. Materials Science-Poland 30(2)/ 2012, 75–81.

Mott N. F. , Davis E. A.: Electron Process in Non-Crystalline Materials. Claredon Press, Oxford, 1979.

Svito I., Fedotova J. A., Milosavljević M., Zhukowski P., Koltunowicz T. N., Saad A., Kierczynski K., Fedotov A. K.: Influence of sputtering atmosphere on hopping conductance in granular nanocomposite (FeCoZr)x(Al2O3)1-x films. Journal of Alloys and Compounds 615(1)/2014, 344–347.

Svito I., Fedotov A. K., Koltunowicz T. N., Zhukowski P., Kalinin Y., Sitnikov A., Czarnacka K., Saad A.: Hopping of electron transport in granular Cux(SiO2)1-x nanocomposite films deposited by ion-beam sputtering. Journal of Alloys and Compounds 615(1)/ 2014, 371–374.

Yvanov V. E.: Smeshannyy mahnytooptycheskyy kontrast, vyzvannyy neodnorodnym mahnytnym polem v plenkakh s ploskostnoy anyzotropyey. Pysʹma v ZHTF 35(9)/2009, 100–110 (in Ukrainian).

Zhukowski P., Kołtunowicz T. N., Węgierek P., Fedotova J. A., Fedotov A. K., Larkin A. V.: Formation of Noncoil-Like Inductance in Nanocomposites (Fe0.45Co0.45Zr0.10)x(Al2O3)1-x Manufactured by Ion-Beam Sputtering of Complex Targets in Ar+O2 Atmosphere. Acta Physica Polonica A 120(1)/2011, 43–45.

Zolotukhin I. V., Kalinin Yu. E., Ponomarenko A. T., Shevchenko V. G., Sitnikov A. V., Stognei O. V., Figovsky O.: Metal-dielectric nanocomposites with amorphous structure. Journal of Nanostructured Polymers and Nanocomposites 2/2006, 23–34.

Published : 2015-10-28

Bondariev, V., & Kołtunowicz, T. (2015). HIGH TEMPERATURE ANNEALING INFLUENCE ON ELECTRIC PROPERTIES OF NANOCOMPOSITE (FeCoZr)81.8(CaF2)18.2. Informatyka, Automatyka, Pomiary W Gospodarce I Ochronie Środowiska, 5(4), 70-76. https://doi.org/10.5604/20830157.1176579

Vitalii Bondariev  vitalii.bondariev@pollub.edu.pl
Politechnika Lubelska, Katedra Urządzeń Elektrycznych i Techniki Wysokich Napięć, 2Sumski Państwowy Uniwersytet, Katedra Fizyki Stosowanej  Poland
Tomasz Kołtunowicz 
Politechnika Lubelska, Katedra Urządzeń Elektrycznych i Techniki Wysokich Napięć  Poland