Gallium nitride
Compounds
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Gallium nitride is a binary III/V direct bandgap semiconductor commonly used in blue light-emitting diodes since the 1990s. The compound is a very hard material that has a Wurtzite crystal structure. Wikipedia
Formula: GaN
IUPAC ID: Gallium nitride
Density: 6.15 g/cm³
Thermal conductivity: 1.3 W/(cm·K) (300 K)
Crystal structure: Wurtzite
Appearance: yellow powder
Band gap: 3.4 eV (300 K, direct)