Fig. 1
X-ray diffraction patterns for Li0.5La0.5Ti1-xZrxO3 (x = 0.05 and 0.1).
Table 1
Comparison of densities, lattice parameter (a in Å ) and unit cell volume (V in Å3) for Li0.5La0.5Ti1-xZrxO3 (x = 0.05 and 0.1).
| x-value | Experimental | Theoretical | Lattice parameter | Volume | Crystallite |
|---|---|---|---|---|---|
| density | density | [Å] | [Å3] | size [nm] | |
| 0.05 | 4.8349 | 4.3589 | 3.8643 | 57.7048 | 68.5 |
| 0.1 | 4.8335 | 4.5335 | 3.8632 | 57.6556 | 62.31 |
Fig. 2
SEM micrographs for Li0.5La0.5Ti1-xZrxO3 (x = 0.05 and 0.1).
Fig. 3
Raman spectra for Li0.5La0.5Ti1-xZrxO3 (x = 0.05 and 0.1).
Fig. 4
Nyquist plots for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.
Fig. 5
Z′ vs. log f for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.
Fig. 6
Z″ vs. log f for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.
Fig. 7
Variation of AC conductivity with frequency at different temperatures of Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.
Table 2
AC conductivity values for Li0.5La0.5Ti1-xZrxO3(x = 0.05 and 0.1) at different temperatures.
| Temperature [°C] | Li0.5La0.5Ti1-xZrxO3 (x = 0.05) | Li0.5La0.5Ti1-xZrxO3 (x = 0.1) |
|---|---|---|
| 30 | 6.33 × 10-4 | 1.01 × 10-4 |
| 40 | 4.30 × 10-4 | 5.66 × 10-4 |
| 50 | 3.22 × 10-4 | 4.29 × 10-4 |
| 60 | 3.07 × 10-4 | 3.05 × 10-4 |
| 70 | 3.46 × 10-4 | 1.77 × 10-4 |
| 80 | 5.47 × 10-4 | 1.37 ×10-4 |
| 90 | 1.15 × 10-3 | 1.08 × 10-4 |
| 100 | 2.98 × 10-3 | 1.03 × 10-4 |
Fig. 8
Arrhenius plots for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.
Fig. 9
Dielectric constant vs. log f for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.
Fig. 10
tanδ vs. logf for Li0.5La0.5Ti1-xZrxO3 (x = 0.05 and 0.1).
Fig. 11
M′ vs. logf for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.
Fig. 12
M′/M′max vs. logf for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.
Fig. 13
Cyclic voltammetry for Li0.5La0.5Ti1-xZrxO3 (x = 0.05 and 0.1).