On the Surface Hardening of Zinc Sulfide Windows by Gallium Sulfide
Hayat Soufiani,
Alexandros Kostogiannes,
Clara Rivero-Baleine
et al.
Abstract:This study examines the effect of gallium doping on the phase transformation, transmission, and hardness of commercial multispectral-grade ZnS specimens exposed to Ga2S3 vapor. Using secondary ion mass spectrometry, we show that Ga diffusion extends into the subsurface down to several tens of microns. X-ray diffraction patterns reveal minimal to no precipitation of wurtzite, resulting in limited infrared transmission loss after treatment. We report a monotonic increase in Vickers surface microhardness with inc… Show more
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