Gallium(II) selenide
Chemical compound
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Gallium(II) selenide is a chemical compound. It has a hexagonal layer structure, similar to that of GaS. It is a photoconductor, a second harmonic generation crystal in nonlinear optics, and has been used as a far-infrared conversion material at... Wikipedia
Formula: GaSe
Molar mass: 148.69 g/mol
Density: 5.03 g/cm³
Band gap: 2.1 eV (indirect)
Crystal structure: hexagonal, hP8
Melting point: 960 °C (1,760 °F; 1,230 K)
Refractive index (nD): 2.6