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Browsing by Author "Chen, Yu-Ling"

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    Femtosecond-Laser Ablation of Monolayer Tungsten Diselenide (WSe2) on Sapphire
    (2018-01-01)
    Chen, Yu-Ling
    ;
    Tseng, Ya-Hsin
    ;
    Chen, Yen-Chun
    ;
    Chang, Wen-Hao
    ;
    Her, Tsing-Hua
    Near-IR femtosecond laser ablation of monolayer tungsten diselenide WSe2 on sapphire is demonstrated. The ablation threshold is found low (below 10 mJ/cm(2)), due to its low dimensionality and weak coupling to substrates. Substrate-dependent ablation threshold is predicted and will be discussed.