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. 2017 Nov 8;7:15093. doi: 10.1038/s41598-017-15559-3

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© The Author(s) 2017

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(a) The SEM image of the nanowelding by laser irradiation at the junction of two nanowires, the TEM images of (b) Cu NWs crossing before laser irradiation and (c) a fused Cu NWs junction after laser irradiation.