Перегляд за Автор "Zherditska, Y. R."

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    Substrate Crystallographic Orientation Effect on Photoluminescent Properties of Porous Silicon
    (Одеський національний університет імені І. І. Мечникова, 2005) Gevelyuk, Serhii A.; Doicho, Ihor K.; Mak, Vasyl T.; Soloshenko, Viktor I.; Lelechenko, V. P.; Zherditska, Y. R.
    Etching duration and anodic current density dependences of intensity and maximum position of the photoluminescence spectra of porous silicon layers obtained by anodization of silicon wafer are investigated. The sizes of silicon nanoclusters formed during the anodization procedure are estimated. It is shown that the dependence of formed clusters sizes on etching conditions for porous layers is different for various crystallographic orientations of the substrate. The model explaining this feature at various speeds of porous layer frontal advance deep into silicon substrate is offered. Presented results may be used for optimization of etching conditions in order to obtain the porous silicon layers having the preset parameters.