Electron dynamics in transition metal dichalcogenides utilizing attosecond transient absorption spectroscopy

Alexander Guggenmos; Hung-Tzu Chang; Michael Zürch; Diana Y. Qiu; Diana Y. Qiu; Romain Geneaux; Yen-Chang Chen; Yen-Chang Chen; Xuan Wei; Chang-Ming Jiang; Chang-Ming Jiang; Yufeng Liang; Felipe H. da Jornada; Felipe H. da Jornada; Adam Schwartzberg; David Prendergast; Vincent C. Tung; Steven G. Louie; Steven G. Louie; Daniel M. Neumark; Daniel M. Neumark; Stephen R. Leone; Stephen R. Leone; Stephen R. Leone; Stephen R. Leone

doi:10.1364/CLEO_QELS.2018.FF1P.4

Conference on Lasers and Electro-Optics
OSA Terchnical Digest (online) (Optica Publishing Group, 2018),
paper FF1P.4
•https://doi.org/10.1364/CLEO_QELS.2018.FF1P.4

Electron dynamics in transition metal dichalcogenides utilizing attosecond transient absorption spectroscopy

Alexander Guggenmos, Hung-Tzu Chang, Michael Zürch, Diana Y. Qiu, Romain Geneaux, Yen-Chang Chen, Xuan Wei, Chang-Ming Jiang, Yufeng Liang, Felipe H. da Jornada, Adam Schwartzberg, David Prendergast, Vincent C. Tung, Steven G. Louie, Daniel M. Neumark, and Stephen R. Leone

CLEO: QELS_Fundamental Science 2018

San Jose, California United States
13–18 May 2018
ISBN: 978-1-943580-42-2

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Attosecond and X-Ray Spectroscopy (FF1P)

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A. Guggenmos, H. Chang, M. Zürch, D. Y. Qiu, R. Geneaux, Y. Chen, X. Wei, C. Jiang, Y. Liang, F. H. da Jornada, A. Schwartzberg, D. Prendergast, V. C. Tung, S. G. Louie, D. M. Neumark, and S. R. Leone, "Electron dynamics in transition metal dichalcogenides utilizing attosecond transient absorption spectroscopy," in Conference on Lasers and Electro-Optics, OSA Terchnical Digest (online) (Optica Publishing Group, 2018), paper FF1P.4.

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Abstract

Strong enhancement of exciton binding has been observed in valence-excitons in the optical regime of 2D materials. We report direct observation of long-lived core-exciton states in transition metal dichalcogenides by attosecond transient absorption spectroscopy in the XUV.

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