Summary of sample denotation, sintering conditions, and chemical compositions of the investigated samples.
| Sample denotation | Sintering conditions | Li atomic ratio | Al atomic ratio | Relative densitya (%) | a (Å) |
|---|---|---|---|---|---|
| LLZALO-1 | 1100 °C × 20 h | 6.25 | 0.13 | 87.5 | 12.97131(9) |
| LLZALO-2 | 1150 °C × 20 h | 5.69 | 0.15 | 87.9 | 12.97159(9) |
| LLZALO-3 | 1200 °C × 20 h | 5.47 | 0.15 | 92.0 | 12.96794(7) |
| LLZALO-4 | 1210 °C × 15 h | 6.11 | 0.15 | 91.2 | 12.96529(8) |
| LLZALO-5 | 1220 °C × 10 h | 5.88 | 0.14 | 94.0 | 12.96800(7) |
Theoretical density obtained from XRD results is 5.257 g cm−3.