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Conferences > UP > 2020 > M4A > M4A.23

Ultrafast Dynamics in Ge2Sb2Te5 Thin Films during Laser-Induced Successive Surface Modification

M. Kobayashi, Y. Arashida, K. Asakawa, K. Konishi, J. Yumoto, M. Kuwata-Gonokami, J. Takeda, and I. Katayama

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Abstract

Laser-induced multi-timescale surface modification of Ge2Sb2Te5 thin films was investigated using high-repetition-rate single-shot pump-probe spectroscopy. The successive measurement of ultrafast dynamics during formation of laser-induced periodic surface structure reveals pulse-to-pulse reduction of the relaxation time. ©2020 The Authors

© 2020 The Author(s)

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