The paper presents the results of investigation of polycrystalline powders and films of CsCu?Br? and CsCu?I? compounds obtained by vacuum thermal evaporation. X-ray phase analysis confirmed the formation of single-phase films which correspond well to the initial compositions. The microstructure of the films was studied by scanning electron microscopy. It was found that CsCu?I? and CsCu?Br? films consist of rounded crystals ranging in size from tens nanometers to 200 nm. The obtained results confirm the potential of compounds CsCu?Br? and CsCu?I? for its application in the field of optoelectronics, however, it is necessary to increase the duration of sputtering of materials to form thicker and more continuous films.
Dilnoza R. Alieva – master’s student, Faculty of Materials Science, Lomonosov Moscow State University (Lomonosov MSU), Moscow, Russia
Nigina Kh. Nosirova – master’s student, Faculty of Materials Science, Lomonosov Moscow State University (Lomonosov MSU), Moscow, Russia
Shodruz T. Umedov – junior researcher, Faculty of Materials Science, Lomonosov Moscow State University (Lomonosov MSU), Moscow, Russia
Rustam Kh. Kamilov – research Laboratory Assistant, Faculty of Materials Science, Lomonosov Moscow State University (Lomonosov MSU), Moscow, Russia
Mikhail O. Astafurov – research Laboratory Assistant, Faculty of Materials Science, Lomonosov Moscow State University (Lomonosov MSU), Moscow, Russia
Leonid S. Lepnev – Doctor of Physics and Mathematics, Vavilov Luminescence Department, Lebedev Physical institute of the Russian Academy of Sciences, Moscow, Russia
Anastasia V. Grigorieva – Candidate of Chemical Sciences, Department of Nanotechnology, Faculty of Materials Science, Lomonosov Moscow State University (Lomonosov MSU), Moscow, Russia
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DOI: 10.14489/glc.2025.05.pp.032-040
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