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Issue 24, 2018
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Resonant silicon nanoparticles with controllable crystalline states and nonlinear optical responses

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Abstract

High-throughput laser printing of resonant silicon nanoparticles has emerged as a novel tool for the fabrication of deeply subwavelength objects with various functionalities. The applications of resonant silicon nanoparticles crucially depend on their crystalline state. However, the ways to control the crystalline structure during laser printing remain unstudied. Here we demonstrate, both experimentally and theoretically, how the crystalline structure of silicon nanoparticles fabricated by a laser printing technique can be varied from almost amorphous to a polycrystalline state. In particular, we propose a method of crystalline structure control via changing the distance between the irradiated silicon film and the receiving substrate. This study allows the most optimal conditions for second harmonic generation to be revealed. We believe that the proposed method opens the door to fully controllable laser printing of functional nanoparticles and nanostructures.

Graphical abstract: Resonant silicon nanoparticles with controllable crystalline states and nonlinear optical responses

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Publication details

The article was received on 12 Mar 2018, accepted on 28 May 2018 and first published on 28 May 2018


Article type: Paper
DOI: 10.1039/C8NR02057D
Citation: Nanoscale, 2018,10, 11403-11409
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    Resonant silicon nanoparticles with controllable crystalline states and nonlinear optical responses

    S. Makarov, L. Kolotova, S. Starikov, U. Zywietz and B. Chichkov, Nanoscale, 2018, 10, 11403
    DOI: 10.1039/C8NR02057D

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