Complex Elastic, Dielectric and Piezoelectric Parameters of Lead-free Ferroelectric Ceramics
| Authors | A.N. Rybyanets, M.A. Lugovaya, I.A. Shvetsov, E.I. Petrova, N.A. Shvetsova |
| Affiliations |
Research Institute of Physics, Southern Federal University, 344090, 194 Stachky Ave., Rostov-on-Don, Russia |
| Е-mail | arybyanets@gmail.com |
| Issue | Volume 10, Year 2018, Number 1 |
| Dates | Received 19 July 2017; revised manuscript received 25 September 2017; published online 24 February 2018 |
| Citation | A.N. Rybyanets, M.A. Lugovaya, et al., J. Nano- Electron. Phys. 10 No 1, 01012 (2018) |
| DOI | 10.21272/jnep.10(1).01012 |
| PACS Number(s) | 62.23.Pq |
| Keywords | Lead-free ferroelectric ceramics, Solid solutions (2) , Microstructural studies, Complex parameters, Impedance spectrum, Dispersion (19) . |
| Annotation |
Complex studies of the properties of lead-free ferroelectric ceramics based on solid solutions of the (Na,Li)NbO3 system have been carried out. Experimental samples of ferroelectric piezoceramics were fabricated by the hot-pressing method. Measurements of complex elastic, dielectric and piezoelectric parameters, as well as microstructural studies of experimental samples were performed. A complete set of complex elastic, dielectric, and piezoelectric parameters of lead-free ferroelectric ceramics Na0,86625Li0,12375Sr0,01Nb0,988Al0,01O2,995 was obtained. The frequency dependences of complex parameters of experimental samples in the frequency range up to 100 MHz were studied. It was shown that the Na0,86625Li0,12375Sr0,01Nb0,988Al0,01O2,995 lead-free ferroelectric piezoceramics are characterized by a low attenuation of ultrasonic waves and the absence of dispersion over a wide frequency range and can be used in high-frequency ultrasonic transducers for medical equipment and non-destructive testing. |
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List of References |
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