Comment to “Multi-photon Raman scattering and yellow–green-light emission from feather-like Cd1–xZnxS nanostructures” by Song Yang and Jun Zhang (Applied Physics A (2019) 125:454)
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Yang and Zhang (Appl Phys A 125:454, 2009) claim that they fabricated feather-like Cd1–xZnxS nanostructures with x ≈ 0.5 by chemical vapor deposition from two evaporators. Based on the analysis of their data, we intend to show that the structures obtained cannot be treated as nanostructures and that their composition does not correspond to Cd0.5Zn0.5S. The maximal amount of Zn incorporated in CdS, if any at all, is not higher than 0.06.
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