| Data of high intensity peak of XRD at different temperatures | θ (degree) | β (radian) (×10−3) | Particle size (nm) | ||
| LaZrYBaCaCuO −30˚C | 15.064 | 7.43 | 18.57 |
| |
| LaZrYBaCaCuO −500˚C | 17.646 | 5.90 | 23.39 |
| |
| LaZrYBaCaCuO −950˚C | 19.244 | 5.36 | 25.75 |
| |