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2D Janus Monolayers
In article number 2106222, Mete Atature, Sefaattin Tongay, and co‐workers use an in situ deterministic plasma technique to enable the synthesis of high‐quality excitonic grade 2D SWSe, SMoSe, and other 2D Janus layers. Integrated spectrometers allow for the collection of structural, optical, and phononic properties during the growth. Through time‐resolved studies, the team offers...
Named after the two‐faced Roman god of transitions, transition metal dichalcogenide (TMD) Janus monolayers have two different chalcogen surfaces, inherently breaking the out‐of‐plane mirror symmetry. The broken mirror symmetry and the resulting potential gradient lead to the emergence of quantum properties such as the Rashba effect and the formation of dipolar excitons. Experimental access to these...
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