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Communication Dans Un Congrès Année : 2020

Adsorption of Se on Cu(1 0 0) and formation of two-dimensional copper selenide layer

Résumé

In order to understand the adsorption process of selenium (Se) and Se-based molecules on noble metal surfaces, we report here on the properties of a thin film of Se on Cu(1 0 0) substrate. The deposition was carried out by incubating of a clean Cu(1 0 0) surface into Na 2 Se solution under controlled conditions. The film properties were analysed as a function of the annealing temperature of the sample, using Low Energy Electron Diffraction (LEED) and photoemission techniques. A progressive structural transition from disordered thick layer to a two-dimensional Copper Selenide CuSe thin layer is obtained upon the thermal treatment. Our study proves that a large scale, well-ordered, and highly-stabilized metal chalcogenide layer can be produced for promising use in potential applications.
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hal-04382334 , version 1 (29-01-2024)

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Yongfeng Tong, Hamid Oughaddou, Hanna Enriquez, Stefan Kubsky, Vladimir Esaulov, et al.. Adsorption of Se on Cu(1 0 0) and formation of two-dimensional copper selenide layer. 5th Euro-Mediterranean Conference on Materials and Renewable Energies, Prof. Hamid Oughaddou, Jul 2019, Marrakech, Morocco. pp.1170-1174, ⟨10.1016/j.matpr.2020.10.046⟩. ⟨hal-04382334⟩
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