Silicon (Si) (Polysilicon)
- Description
Description
Ultra high purity Silicon, also named as semiconductor grade crystalline Polysilicon, is produced from metallurgical grade silicon by a chemical purification process, also called as the Siemens process.
Polysilicon has material properties similar to single crystal silicon and can be doped by other materials such as Boron, Phosphorus, Arsenic, and Antimony to introduce impurities. The polysilicon is used to grow single crystal boules, which are sliced into thin silicon wafers for the production of the majority integrated circuits and other semiconductor devices in the world. It is also applied as source materials for molecular beam epitaxial applications in semiconductor researches and productions.
General Properties
| Symbol | Si |
|---|---|
| CAS Number | 7440‑21‑3 |
| EINECS Number | 231‑130‑8 |
| Atomic Number | 14 |
| Atomic Mass | 28.0855 u |
| Density | 2.33 g/cc |
| Melting Point | 1414 °C |
| Boiling Point | 3265 °C |
| Thermal Conductivity | 149 W/(m⋅K) |
| Electrical Resistivity | 2.3×103 Ω⋅m (at 20 °C) |
| Electronegativity | Pauling scale 1.90 |
| Heat of Vaporization | 383 kJ/mol |
| Heat of Fusion | 50.21 kJ/mol |
Specifications
For Ultra high purity Silicon (Si) (Polysilicon) metal, we have it with the following:
| Metal Name | Silicon (Polysilicon) metal |
| Purity | Up to 99.99999999% (10N) |
| Forms | Small chunk sizes |
| Package | Vacuum-sealed |
If you are in need of high purity Silicon (Polysilicon) (10N), please contact us for details at sales@american-gmg.com.
