Material · Photonics, MEMS & Sensors
Free-standing GaN substrate
A bulk gallium nitride wafer produced by growing a thick layer and removing it from its host, giving native homoepitaxy with dislocation densities orders of magnitude below GaN on foreign substrates.
- Also known as
- Bulk GaN wafer, Native GaN substrate
- Type
- Material
- Domain
- Photonics, MEMS & Sensors, Epitaxy and substrates
Notes
Required for blue laser diodes and vertical GaN power devices, but still small in diameter and expensive.
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