Time-resolved ARPES of excitons in a 2D semiconductor

Date Issued
2021-05-01
Author(s)
Madeo, Julien
Man, Michael K.L.
Sahoo, Chakradhar
Campbell, Marshall
Pareek, Vivek
Wong, E. Laine
Al-Mahboob, Abdullah
Chan, Nicholas S.
Karmakar, Arka
Mariserla, Bala Murali Krishna
Li, Xiaoqin
Heinz, Tony F.
Cao, Ting
Dani, Keshav M.
Abstract
We use a table-top time-resolved ARPES based on a MHz XUV source to directly observe direct and momentum-forbidden excitons in the full first Brillouin zone of WSe2 monolayer and measure their ultrafast dynamics.