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End date: 2024 × Start date: 2020 × Type: article × Publisher: Amsterdam [u.a.] : Elsevier × Subject: Nanowires ×

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    Thermally induced evolution of the structure and optical properties of silicon nanowires
    (Amsterdam [u.a.] : Elsevier, 2020) Mussabek, Gauhar; Lysenko, Vladimir; Yermukhamed, Dana; Sivakov, Vladimir; Yu. Timoshenko, Victor
    In the present paper, we report on the investigation of thermal annealing (TA) effect on structural and optical properties of crystalline silicon nanowires produced by metal-assisted chemical etching approach. In particular, the impact of TA on nanowire length, relative volume and size distribution of voids is described in terms of Lifshitz-Slyozov-Wagner theory considering the TA induced Oswald ripening in the SiNW arrays. It was also found that TA leads to a decrease of the SiNWs total reflection in the wide UV–VIS-IR spectral range. The reported effects can be used for tuning of crystalline SiNWs arrays in view of their further applications in photonics related fields. © 2020 The Authors