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Vaquero, Daniel ; Clericò, Vito ; Salvador Sánchez, Juan ; Martín Ramos, Adrián ; Díaz García, Elena ; Domínguez-Adame Acosta, Francisco ; Meziani, Yahya M ; Díez, Enrique ; Quereda, Jorge | Nature | 2020-10-30Exciton physics in two-dimensional semiconductors are typically studied by photoluminescence spectroscopy. However, this technique does not allow for direct observation of non-radiating excitonic transitions. Here, we use low-temperature photocu[...]texto impreso
Clericò, Vito ; Delgado Notario, J. A. ; Saiz Bretín, Marta ; Malyshev, Andrey ; Meziani, Y. M. ; Hidalgo Alcalde, Pedro ; Méndez Martín, Bianchi ; Amado, M. ; Domínguez Adame Acosta, Francisco ; Díaz Fernández, Enrique | Nature Publishing Group | 2019-09-19We report on a novel implementation of the cryo-etching method, which enabled us to fabricate low-roughness hBN-encapsulated graphene nanoconstrictions with unprecedented control of the structure edges; the typical edge roughness is on the order[...]
