DESIGN, FABRICATION AND STUDY OF LAYERED METAL-OXIDE NANOSTRUCTURES
X.N. Ahmadova1,2
2024   04   az   p.03-08

ABSTRACT

Metal (Al) and metal oxide (Fe3O4) nanostructures in the form of thin films of different thicknesses were prepared by thermal spraying methods on a glass substrate. The processes of phase formation of the resulting thin films were studied. The initial samples consisted of aluminum layers with a thickness of 150 nm and Fe3O4 layers with a thickness of 30 nm. The manufacturing process involved the deposition of an aluminum layer on a glass substrate, followed by the successive deposition of an iron oxide layer, resulting in a layered system of ultra-thin layers. The application of different modes of operation made it possible to obtain thin layers with a thickness of 30 and 60 nm. Complex structural analysis of these systems was carried out using X-ray diffraction at room temperature. It was determined that the crystal structure of Al nanolayers is Fm-3m, and the structure of Fe3O4 nanolayers corresponds to cubic symmetry with space group Fd-3m. The results showed that, in general, both aluminum and iron oxide phases maintain structural integrity within these thin films. Nevertheless, the presence of significant diffuse X-ray scattering patterns indicates atomic disorder and the formation of an amorphous or non-crystalline state in the near-surface layers.

Keywords: crystal structure, surface structure, Al/Fe3O4 thin films.
DOI:10.70784/azip.2.2024403

Received: 25.11.2024
Internet publishing: 02.12.2024

AUTHORS & AFFILIATIONS

1. Institute of Physics Ministry of Science and Education Republic of Azerbaijan, 131 H.Javid ave, Baku, AZ-1073, Azerbaijan
2. Azerbaijan State Oil and Industry University, 20 Azadlig ave. Baku, AZ 1010
E-mail: x.khalilova@rambler.ru

Graphics and Images

            

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