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Morphology, structure, and mechanical properties of the surface of PbTe crystals after etching with H2O2–HBr–ethylene glycol solutions

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Abstract

The morphology and microstructure of PbTe surfaces polished with H2O2–HBr–ethylene glycol solutions have been studied by atomic force and electron microscopy techniques. The surface of PbTe single crystals after chemical–mechanical and dynamic chemical polishing with bromine-releasing etchants has been examined by optical microscopy and profilometry. The structural perfection and composition of the PbTe surface after chemical treatment have been determined by X-ray diffraction, scanning electron microscopy, and Raman spectroscopy. The mechanical properties of the crystals have been studied using microindentation. Using X-ray microanalysis, we have monitored the concentrations of the host elements (Pb and Te) and possible contamination with chemical compounds present in the etchants and the solutions used to rinse the samples.

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Authors and Affiliations

  1. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences of Ukraine, pr. Nauki 41, Kyiv, 03028, Ukraine

    G. P. Malanych, V. N. Tomashyk, O. S. Lytvyn & O. F. Kolomys

  2. Borys Grinchenko University, Bulvarno-Kudriavska vul. 18/2, Kyiv, 04053, Ukraine

    O. S. Lytvyn

Authors
  1. G. P. Malanych
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  2. V. N. Tomashyk
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  3. O. S. Lytvyn
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  4. O. F. Kolomys
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Correspondence to G. P. Malanych.

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Original Russian Text © G.P. Malanych, V.N. Tomashyk, O.S. Lytvyn, O.F. Kolomys, 2017, published in Neorganicheskie Materialy, 2017, Vol. 53, No. 12, pp. 1262–1268.

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Malanych, G.P., Tomashyk, V.N., Lytvyn, O.S. et al. Morphology, structure, and mechanical properties of the surface of PbTe crystals after etching with H2O2–HBr–ethylene glycol solutions. Inorg Mater 53, 1233–1239 (2017). https://doi.org/10.1134/S0020168517120093

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  • DOI: https://doi.org/10.1134/S0020168517120093

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