The structure of Ag2S/ZnS nanoheterostructures has been analyzed taking into account the morphology and elastic properties of Ag2S and ZnS sulfide single crystal particles. The arrangement of S atoms in (111) planes of cubic argentite β-Ag2S and sphalerite ZnS has been considered. The elastic stiffness constants \({{c}_{{11}}}\), \({{c}_{{12}}}\), and \({{c}_{{44}}}\) of cubic argentite and sphalerite at a temperature of 300 K has been estimated. It has been shown that the formation of Ag2S/ZnS heterostructures where the interface is formed by the (111) planes of cubic sphalerite ZnS and argentite β-Ag2S is the most probable morphologically and energetically. The calculated universal criterion of the anisotropy of the elastic properties has shown that the studied cubic silver and zinc sulfides are elastically anisotropic.
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This work performed at the Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences, was supported by the Russian Science Foundation (project no. 19-79-10101).
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Sadovnikov, S.I., Gusev, A.I. Interface in Ag2S/ZnS Nanoheterostructures. Jetp Lett. 113, 706–712 (2021). https://doi.org/10.1134/S0021364021110072
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DOI: https://doi.org/10.1134/S0021364021110072