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Selenium (Se) Pieces Evaporation Materials
| Specifications | |||
| Material Type | Selenium | ||
| Symbol | Se | ||
| Purity | 99.999% | ||
| Size | 1-3mm | ||
| Package Unit | 500g/ 1kg | ||
| Theoretical Density (g/cc) | 4.81 | Z Ratio | 0.864 |
| Color/Appearance | Gray, Metallic Luster, Non-Metallic | E-Beam | Good |
| Atomic Weight | 78.96 | Thermal Evaporation Techniques | Boat: W, Mo Coil: W, Mo Basket: W, Mo Crucible: Al2O3 |
| Melting Point (°C) | 217 | E-Beam Crucible Liner Material | Graphite |
| Coefficient of Thermal Expansion | 8.8 x 10-6/K | Temp. (°C) for Given Vap. Press. (Torr) | 10-8: 1,292 10-6: 1,492 10-4: 1,747 |
| Thermal Conductivity | 0.52 W/m.K | Comments | Alloys with metals. Films soft, poor adhesion. Temperatures required to achieve deposition may not be practical for thermal evaporation. |
