Temperature and frequency dependences of real part of impedance in the FeCoZr-doped PZT nanogranular composites
Artykuł w czasopiśmie
| Status: | |
| Autorzy: | Larkin Andrei V., Fedotov Aleksander K., Fedotova Julia A., Kołtunowicz Tomasz, Żukowski Paweł |
| Rok wydania: | 2012 |
| Wersja dokumentu: | Drukowana | Elektroniczna |
| Język: | angielski |
| Numer czasopisma: | 2 |
| Wolumen/Tom: | 30 |
| Strony: | 75 - 81 |
| Web of Science® Times Cited: | 32 |
| Scopus® Cytowania: | 28 |
| Bazy: | Web of Science | Scopus |
| Efekt badań statutowych | NIE |
| Materiał konferencyjny: | NIE |
| Publikacja OA: | NIE |
| Abstrakty: | angielski |
| 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 PO2 = 2.4 _ 10-3 and 3.7 _ 10-3 Pa. It has been proved that approaching the threshold concentration, xC 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. |
