Abstract
The atomic structure and surface relief of thin cold-rolled platinum foils upon recrystallization annealing and loading under ultrahigh vacuum conditions have been studied by low energy electron diffraction (LEED), atomic force microscopy (AFM), and scanning tunneling microscopy (STM). The surface of samples upon high-temperature annealing and subsequent uniaxial extension of recrystallized Pt foils represents a fractal structure of unidirectional ripples on various spatial scales. The total fractal dimension of this surface is D GW = 2.3, while the fractal dimensions along and across ripples are D ‖ ≈ 1 and D ⊥ ≈ 1.3, respectively. The optical spectra of a halogen lamp and a PRK-2 mercury lamp were recorded using these rippled Pt foils as reflection diffraction gratings. It is shown that Pt foils with this surface relief can be used as reflection diffraction gratings for electromagnetic radiation in a broad spectral range.
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Original Russian Text © V.E. Korsukov, A.V. Ankudinov, P.N. Butenko, S.A. Knyazev, M.M. Korsukova, B.A. Obidov, I.P. Shcherbakov, 2014, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2014, Vol. 40, No. 18, pp. 1–7.
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Korsukov, V.E., Ankudinov, A.V., Butenko, P.N. et al. The possibility of using platinum foils with a rippled surface as diffraction gratings. Tech. Phys. Lett. 40, 776–778 (2014). https://doi.org/10.1134/S1063785014090235
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DOI: https://doi.org/10.1134/S1063785014090235