31Ga69.72Gallium
tech · Z 31 · 69.72 u
Gallium (Ga)
Gallium is a bauxite and zinc by-product. China still refines most of the world's 4N metal.
Export licensing, not geology, is the trade risk. Lots are kilograms. Dual-use screening is on the identity file.
Geo
Mine, process, refine.
| ISO | Country | Role | Note |
|---|---|---|---|
| CN | China | Refine | Alumina liquor recovery |
| DE | Germany | Refine | Primary and recycle |
| JP | Japan | Refine | Recycle and wafer |
| UA | Ukraine | Refine | Alumina associated |
Forms
- 4N–7N metal
- GaAs, GaN wafers
Uses
- Compound semiconductors
- LEDs
- Defence RF