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Composition design and electrical properties in BiFeO3–BaTiO3–Bi(Zn0.5Ti0.5)O3 lead-free ceramics
- Source :
- Journal of Materials Science: Materials in Electronics. 28:13076-13083
- Publication Year :
- 2017
- Publisher :
- Springer Science and Business Media LLC, 2017.
-
Abstract
- Here we fabricated the (1−y)[(1−x)BiFeO3–xBaTiO3]–yBi(Zn0.5Ti0.5)O3 ceramics by the conventional solid-state method, and then a large piezoelectric constant (d 33) of ~195 pC/N together with a high Curie temperature (T C = 505 °C) could be attained in the ceramics by building the rhombohedral–cubic (R–C) phase boundary. The R–C phase coexistence can be shown in the ceramics with 0.25 ≤ x ≤ 0.35 and 0.01 ≤ y ≤ 0.05. In particular, both a high remnant polarization (P r = 18.5 μC/m2) and a relatively high strain of ~0.19% were also observed in the phase coexistence region. In addition, the thermal stability together with the effects of polarization temperature and cooling-down method was also explored.
- Subjects :
- 010302 applied physics
Phase boundary
Materials science
Analytical chemistry
Mineralogy
02 engineering and technology
Composition (combinatorics)
021001 nanoscience & nanotechnology
Condensed Matter Physics
01 natural sciences
Atomic and Molecular Physics, and Optics
Electronic, Optical and Magnetic Materials
Piezoelectric constant
visual_art
Phase (matter)
0103 physical sciences
visual_art.visual_art_medium
Curie temperature
Thermal stability
Ceramic
Electrical and Electronic Engineering
0210 nano-technology
Polarization (electrochemistry)
Subjects
Details
- ISSN :
- 1573482X and 09574522
- Volume :
- 28
- Database :
- OpenAIRE
- Journal :
- Journal of Materials Science: Materials in Electronics
- Accession number :
- edsair.doi...........94ebe250625a462bf6b95d2ac72ef027