Research Article
Preparation, Structural, Electrical, and Ferroelectric Properties of Lead Niobate–Lead Zirconate–Lead Titanate Ternary System
Table 3
Variation of activation energy (
) with frequency and exponent (
) with temperature for three different compositions of PNZT system.
| | Composition | Activation energy () for different frequencies (eV) | Exponent () for different temperatures (°C) | | 5 kHz | 10 kHz | 20 kHz | 250 | 300 | 350 | 400 | 450 | 500 |
| | 0.5PN–0.15PZ–0.35PT | 0.66 | 0.46 | 0.27 | 1.0 | 1.1 | 1.3 | 1.0 | 0.7 | 0.3 | | 0.5PN–0.25PZ–0.25PT | 0.24 | 0.16 | 0.13 | 1.0 | 0.9 | 0.8 | 0.8 | 0.6 | 0.3 | | 0.5PN–0.35PZ–0.15PT | 0.99 | 0.50 | 0.23 | 0.8 | 1.2 | 1.0 | 0.8 | 0.4 | 0.1 |
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