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Conferences > CLEO_SI > 2019 > SM3H > SM3H.4

Femtosecond-laser ablation of monolayer molybdenum disulfide (MoS2) on sapphire

Joel M. Solomon, Hsin-Yu Yao, Li-Syuan Lu, Wen-Hao Chang, and Tsing-Hua Her

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Abstract

Single-shot femtosecond laser ablation of monolayer molybdenum disulfide is demonstrated. An ablation threshold was found 0.9 nJ/μm2, which is too low for two-photon photoionization alone. We show that surface defects and avalanche ionization are important.

© 2019 The Author(s)

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