What is it about?
The super-bandgap laser irradiation of the in situ prepared As-S chalcogenide films was found to cause drastic structural transformations and unexpected selective diffusion processes, leading to As enrichment on the nanolayer surface.
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Why is it important?
The formation of a concentration gradient is a result of bond cleavage and molecular reorientation during transformations and anisotropic molecular diffusion.
Read the Original
This page is a summary of: Super-bandgap light stimulated reversible transformation and laser-driven mass transport at the surface of As2S3 chalcogenide nanolayers studied in situ, The Journal of Chemical Physics, December 2018, American Institute of Physics, DOI: 10.1063/1.5053228.
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