Table 4 Mass of platinum (Pt) crucible and polycrystalline gallium nitride (GaN) before and after heating for 100 h under a nitrogen atmosphere
Temperature (°C) | Mass of Pt crucible before experiment (g) | Mass of Pt crucible after experiment (g) | Mass of polycrystalline GaN before experiment (g) | Mass of polycrystalline GaN after experiment (g) |
|---|---|---|---|---|
400 | 4.0347 | 4.0347 | 0.3341 | 0.3341 |
500 | 4.0347 | 4.0347 | 0.3341 | 0.3341 |
600 | 4.0347 | 4.0347 | 0.3341 | 0.3341 |