EVOLUTION OF SURFACE TEXTURES ON N-INP SAMPLES ETCHED PHOTOELECTROCHEMICALLY

The formation and growth of surface textures on (100) n-InP samples et ched photoelectrochemically in HCL solution was investigated. This etc hing produced elongated etch pits, which were analyzed using scanning electron microscopy and angular resolved optical scattering. The evolu tion of the size and geometry of the microstructures with the etching time is described and discussed. The effect of the surface texture on the sample reflectivity was followed by total integrated scattering an d by I-V curve measurements.