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Conferences > CLEO_QELS > 2018 > JTu2A > JTu2A.4

Femtosecond-Laser Ablation of Monolayer Tungsten Diselenide (WSe2) on Sapphire

Yu-Ling Chen, Ya-Hsin Tseng, Yen-Chun Chen, Wen-Hao Chang, Tsing-Hua Her, and Chih-Wei Luo

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Abstract

Near-IR femtosecond laser ablation of monolayer tungsten diselenide WSe2 on sapphire is demonstrated. The ablation threshold is found low (below 10 mJ/cm2), due to its low dimensionality and weak coupling to substrates. Substrate-dependent ablation threshold is predicted and will be discussed.

© 2018 The Author(s)

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