Time-resolved ARPES makes it possible to directly visualize the band dispersion of photoexcited solids, as well as to study its time evolution on the femtosecond time scale. In this article, we show how this technique can be used to monitor the ultrafast hot carrier dynamics and the conduction band dispersion in two typical monochalcogenide semiconductors: direct band gap, -type indium selenide and indirect band gap, -type germanium selenide. With this approach, one can directly estimate the effective electron masses of these semiconductors. Moreover, the dynamics of hot electrons in the two semiconductors are analyzed and compared. Our findings provide valuable information for the use of monochalcogenide semiconductors in future optoelectronic devices.
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@article{CRPHYS_2021__22_S2_103_0,
author = {Zhesheng Chen and Jonathan Caillaux and Jiuxiang Zhang and Evangelos Papalazarou and Jingwei Dong and Jean-Pascal Rueff and Amina Taleb-Ibrahimi and Luca Perfetti and Marino Marsi},
title = {Ultrafast dynamics with time-resolved {ARPES:} photoexcited electrons in monochalcogenide semiconductors},
journal = {Comptes Rendus. Physique},
pages = {103--110},
publisher = {Acad\'emie des sciences, Paris},
volume = {22},
number = {S2},
year = {2021},
doi = {10.5802/crphys.57},
language = {en},
}
TY - JOUR AU - Zhesheng Chen AU - Jonathan Caillaux AU - Jiuxiang Zhang AU - Evangelos Papalazarou AU - Jingwei Dong AU - Jean-Pascal Rueff AU - Amina Taleb-Ibrahimi AU - Luca Perfetti AU - Marino Marsi TI - Ultrafast dynamics with time-resolved ARPES: photoexcited electrons in monochalcogenide semiconductors JO - Comptes Rendus. Physique PY - 2021 SP - 103 EP - 110 VL - 22 IS - S2 PB - Académie des sciences, Paris DO - 10.5802/crphys.57 LA - en ID - CRPHYS_2021__22_S2_103_0 ER -
%0 Journal Article %A Zhesheng Chen %A Jonathan Caillaux %A Jiuxiang Zhang %A Evangelos Papalazarou %A Jingwei Dong %A Jean-Pascal Rueff %A Amina Taleb-Ibrahimi %A Luca Perfetti %A Marino Marsi %T Ultrafast dynamics with time-resolved ARPES: photoexcited electrons in monochalcogenide semiconductors %J Comptes Rendus. Physique %D 2021 %P 103-110 %V 22 %N S2 %I Académie des sciences, Paris %R 10.5802/crphys.57 %G en %F CRPHYS_2021__22_S2_103_0
Zhesheng Chen; Jonathan Caillaux; Jiuxiang Zhang; Evangelos Papalazarou; Jingwei Dong; Jean-Pascal Rueff; Amina Taleb-Ibrahimi; Luca Perfetti; Marino Marsi. Ultrafast dynamics with time-resolved ARPES: photoexcited electrons in monochalcogenide semiconductors. Comptes Rendus. Physique, Volume 22 (2021) no. S2, pp. 103-110. doi : 10.5802/crphys.57. https://comptes-rendus.academie-sciences.fr/physique/articles/10.5802/crphys.57/
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