Evolution of Electroless Cu/CuxO Nanostructured Thin Films: Study of Surface Fractal, Tuning Band Gap and Electronic Structure

Madhuri, Aishwarya; Jena, Sanketa; Dutta, Sumitra; Swain, Bibhu Prasad

doi:10.1007/s13369-024-09283-0

Arab J Sci Eng

2024

DOI: 10.1007/s13369-024-09283-0

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Evolution of Electroless Cu/CuxO Nanostructured Thin Films: Study of Surface Fractal, Tuning Band Gap and Electronic Structure

Aishwarya Madhuri,

Sanketa Jena,

Sumitra Dutta

et al.

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The Analysis of the ZnO/Por-Si Hierarchical Surface by Studying Fractal Properties with High Accuracy and the Behavior of the EPR Spectra Components in the Ordering of Structure

Seredavina,

Zhapakov,

Murzalinov

et al. 2024

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A hierarchical surface that includes objects with different sizes, as a result of creating local fields, initiates a large number of effects. Micropores in the composition of macropores, as well as nanoclusters of the substance, were detected by scanning electron and atomic force microscopies on the surface of ZnO/Por-Si samples. An identical fractal dimension for all levels of the hierarchy was determined for these structures, which is associated with the same response to external excitation. Photoluminescence studies have shown the presence of localized levels in the band gap, with the probability of capturing both electrons and holes, which ensures charge transitions between energy bands. Decomposition of the electron paramagnetic resonance (EPR) signal into components made it possible to determine the manifestations of various types of interaction between paramagnetic particles, including the hyperfine structure of the spectrum. The ordering of the structure of the substance as a result of sequential annealing in the range from 300 to 500 °C was revealed in the EPR spectrum. This fact, as well as photo- and gas sensitivity for all types of samples studied, confirms the prospects of using these structures as sensors.

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The Analysis of the ZnO/Por-Si Hierarchical Surface by Studying Fractal Properties with High Accuracy and the Behavior of the EPR Spectra Components in the Ordering of Structure

Seredavina,

Zhapakov,

Murzalinov

et al. 2024

Processes

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show abstract

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Evolution of Electroless Cu/CuxO Nanostructured Thin Films: Study of Surface Fractal, Tuning Band Gap and Electronic Structure

Cited by 1 publication

References 34 publications

The Analysis of the ZnO/Por-Si Hierarchical Surface by Studying Fractal Properties with High Accuracy and the Behavior of the EPR Spectra Components in the Ordering of Structure

The Analysis of the ZnO/Por-Si Hierarchical Surface by Studying Fractal Properties with High Accuracy and the Behavior of the EPR Spectra Components in the Ordering of Structure

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