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Efficient Electron Spin Relaxation by Chiral Phonons in WSe Monolayers
D. Lagarde, M. Glazov, V. Jindal +9
In transition metal dichalcogenide semiconductor monolayers the spin dynamics of electrons is controlled by the original spin-valley locking effect resulting from the interplay bet…
Brightened emission of dark trions in transition-metal dichalcogenide monolayers
V. Jindal, K. Mourzidis, A. Balocchi +10
The optical emission spectra of semiconducting transition-metal dichalcogenide monolayers highlight fascinating recombination processes of charged excitons (trions). When charge tu…
Kapitza-resistance-like exciton dynamics in atomically flat MoSe-WSe lateral heterojunction
Hassan Lamsaadi, Dorian Beret, Ioannis Paradisanos +13
Being able to control the neutral excitonic flux is a mandatory step for the development of future room-temperature two-dimensional excitonic devices. Semiconducting Monolayer Tran…
Interface engineering of charge-transfer excitons in 2D lateral heterostructures
Roberto Rosati, Ioannis Paradisanos, Libai Huang +9
The existence of bound charge transfer (CT) excitons at the interface of monolayer lateral heterojunctions has been debated in literature, but contrary to the case of interlayer ex…
Optical detection of long electron spin transport lengths in a monolayer semiconductor
Lei Ren, Laurent Lombez, Cedric Robert +8
Using a spatially-resolved optical pump-probe experiment, we measure the lateral transport of spin/valley polarized electrons over very long distances (tens of micrometers) in a si…
Second harmonic generation control in twisted bilayers of transition metal dichalcogenides
Ioannis Paradisanos, Andres Manuel Saiz Raven, Thierry Amand +7
The twist angle in transition metal dichalcogenide (TMD) heterobilayers is a compelling degree of freedom that determines electron correlations and the period of lateral confinemen…