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


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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.

作者简介

G. Malanych

Lashkaryov Institute of Semiconductor Physics

编辑信件的主要联系方式.
Email: galya.malanich@gmail.com
乌克兰, pr. Nauki 41, Kyiv, 03028

V. Tomashyk

Lashkaryov Institute of Semiconductor Physics

Email: galya.malanich@gmail.com
乌克兰, pr. Nauki 41, Kyiv, 03028

O. Lytvyn

Lashkaryov Institute of Semiconductor Physics; Borys Grinchenko University

Email: galya.malanich@gmail.com
乌克兰, pr. Nauki 41, Kyiv, 03028; Bulvarno-Kudriavska vul. 18/2, Kyiv, 04053

O. Kolomys

Lashkaryov Institute of Semiconductor Physics

Email: galya.malanich@gmail.com
乌克兰, pr. Nauki 41, Kyiv, 03028

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