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Nanoscience is one of the most exciting research fields of modern science due to the novel and unexpected properties that materials exhibit at the scale of individual atoms. In order to exploit these properties in future applications, a deep und[...]texto impreso
Saiz Bretín, Marta ; Medrano Sandonas, L. ; Gutierrez, R. ; Cuniberti, G. ; Domínguez-Adame Acosta, Francisco | American Physical Society | 2019-04-26Recent progress in nanostructuring of materials opens up possibilities to achieve more efficient thermoelectric devices. Nanofilms, nanowires, and nanorings may show increased phonon scattering while keeping good electron transport, two of the b[...]texto impreso
Clerico, V. ; Delgado Notario, J. A. ; Saiz Bretín, Marta ; Fuentevilla, C. H. ; Malyshev, A. V. ; Lejarreta, Lejarreta ; Díez, E. ; Domínguez Adame Acosta, Francisco | Wiley-V C H Verlag Gmbh | 2018-09-10Here, the quantization of Dirac fermions in lithographically defined grapheme nanoconstrictions is studied. Quantized conductance is observed in single nanoconstrictions fabricated on top of a thin hexamethyldisilazane layer over a Si/SiO? wafer[...]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[...]texto impreso
Saiz Bretín, Marta ; Domínguez-Adame Acosta, Francisco ; Malyshev, Andrey | Pergamon - Elsevier Science | 2019-08We argue that twisted graphene nanoribbons subjected to a transverse electric field can operate as a variety of nonlinear nanoelectronic devices with tunable current-voltage characteristics controlled by the transverse field. using the density-f[...]
