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One pot chemical vapor deposition of high optical quality large area monolayer Janus transition metal dichalcogenides
Ziyang Gan, Ioannis Paradisanos, Ana Estrada-Real +13
We report one-pot chemical vapor deposition (CVD) growth of large-area Janus SeMoS monolayers, with the asymmetric top (Se) and bottom (S) chalcogen atomic planes with respect to t…
Intervalley electron-hole exchange interaction and impurity-assisted recombination of indirect excitons in WS and WSe monolayers
Pengke Li, Cedric Robert, Dinh Van Tuan +3
The variety of excitonic states in tungsten-based dichalcogenide monolayers stems from unique interplay between the spin and valley degrees of freedom. One of the exciton species i…
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…
From the synthesis of hBN crystals to their use as nanosheets for optoelectronic devices
Camille Maestre, Yangdi Li, Vincent Garnier +11
In the wide world of 2D materials, hexagonal boron nitride (hBN) holds a special place due to its excellent characteristics. In addition to its thermal, chemical and mechanical sta…