Ultrafast XUV ARPES studies of electron and exciton dynamics in the transition-metal dichalcogenide MoSe2

Jan Heye Buss; Frederic Joucken; Julian Maklar; He Wang; Yiming Xu; Rohit Unni; Changhyun Ko; Sefaattin Tongay; Junqiao Wu; Robert A. Kaindl

doi:10.1364/CLEO_QELS.2017.FTh1F.6

Ultrafast XUV ARPES studies of electron and exciton dynamics in the transition-metal dichalcogenide MoSe₂

Jan Heye Buss, Frederic Joucken, Julian Maklar, He Wang, Yiming Xu, Rohit Unni, Changhyun Ko, Sefaattin Tongay, Junqiao Wu, Robert A. Kaindl

Engineering, Ira A. Fulton Schools of (IAFSE)

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We exploit ultrafast extreme-UV angle-resolved photoemission spectroscopy (XUV ARPES) for sensitive studies of non-equilibrium carrier dynamics in MoSe₂. The experiments reveal inter-valley scattering and provide first evidence for the observation of band-gap excitons in ARPES.

Original language	English (US)
Title of host publication	2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1-2
Number of pages	2
ISBN (Electronic)	9781943580279
DOIs	https://doi.org/10.1364/CLEO_QELS.2017.FTh1F.6
State	Published - Oct 25 2017
Event	2017 Conference on Lasers and Electro-Optics, CLEO 2017 - San Jose, United States Duration: May 14 2017 → May 19 2017

Publication series

Name	2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings
Volume	2017-January

Other

Other	2017 Conference on Lasers and Electro-Optics, CLEO 2017
Country/Territory	United States
City	San Jose
Period	5/14/17 → 5/19/17

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Electronic, Optical and Magnetic Materials
Instrumentation

Access to Document

10.1364/CLEO_QELS.2017.FTh1F.6

Cite this

Buss, J. H., Joucken, F., Maklar, J., Wang, H., Xu, Y., Unni, R., Ko, C., Tongay, S., Wu, J., & Kaindl, R. A. (2017). Ultrafast XUV ARPES studies of electron and exciton dynamics in the transition-metal dichalcogenide MoSe₂. In 2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings (pp. 1-2). (2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings; Vol. 2017-January). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1364/CLEO_QELS.2017.FTh1F.6

Ultrafast XUV ARPES studies of electron and exciton dynamics in the transition-metal dichalcogenide MoSe₂. / Buss, Jan Heye; Joucken, Frederic; Maklar, Julian et al.
2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017. p. 1-2 (2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings; Vol. 2017-January).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Buss, JH, Joucken, F, Maklar, J, Wang, H, Xu, Y, Unni, R, Ko, C, Tongay, S, Wu, J & Kaindl, RA 2017, Ultrafast XUV ARPES studies of electron and exciton dynamics in the transition-metal dichalcogenide MoSe₂. in 2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings. 2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings, vol. 2017-January, Institute of Electrical and Electronics Engineers Inc., pp. 1-2, 2017 Conference on Lasers and Electro-Optics, CLEO 2017, San Jose, United States, 5/14/17. https://doi.org/10.1364/CLEO_QELS.2017.FTh1F.6

Buss JH, Joucken F, Maklar J, Wang H, Xu Y, Unni R et al. Ultrafast XUV ARPES studies of electron and exciton dynamics in the transition-metal dichalcogenide MoSe₂. In 2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2017. p. 1-2. (2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings). doi: 10.1364/CLEO_QELS.2017.FTh1F.6

Buss, Jan Heye ; Joucken, Frederic ; Maklar, Julian et al. / Ultrafast XUV ARPES studies of electron and exciton dynamics in the transition-metal dichalcogenide MoSe₂. 2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017. pp. 1-2 (2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings).

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abstract = "We exploit ultrafast extreme-UV angle-resolved photoemission spectroscopy (XUV ARPES) for sensitive studies of non-equilibrium carrier dynamics in MoSe2. The experiments reveal inter-valley scattering and provide first evidence for the observation of band-gap excitons in ARPES.",

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AU - Buss, Jan Heye

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AU - Wang, He

AU - Xu, Yiming

AU - Unni, Rohit

AU - Ko, Changhyun

AU - Tongay, Sefaattin

AU - Wu, Junqiao

AU - Kaindl, Robert A.

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