Layer-dependent band alignment of few layers of blue phosphorus and their van der Waals heterostructures with graphene

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dc.creatorPontes, Renato Borges
dc.creatorMiwa, Roberto Hiroki
dc.creatorSilva, Antônio José Roque da
dc.creatorFazzio, Adalberto
dc.creatorSousa, José Eduardo Padilha de
dc.date.accessioned2024-07-11T13:06:32Z
dc.date.available2024-07-11T13:06:32Z
dc.date.issued2018
dc.description.abstractThe structural and electronic properties of few layers of blue phosphorus and their van der Waals heterostructures with graphene were investigated by means of first-principles electronic structure calculations. We study the four energetically most stable stacking configurations for multilayers of blue phosphorus. For all of them, the indirect band-gap semiconductor character, are preserved. We show that the properties of monolayer graphene and single-layer (bilayer) blue phosphorus are preserved in the van der Waals heterostructures. Further, our results reveal that under a perpendicular applied electric field, the position of the band structure of blue phosphorus with respect to that of graphene is tunable, enabling the effective control of the Schottky barrier height. Indeed, for the bilayer blue phosphorene on top of graphene, it is possible to even move the system into an Ohmic contact and induce a doping level of the blue phosphorene. All of these features are fundamental for the design of new nanodevices based on van der Waals heterostructures.
dc.identifier.citationPONTES, Renato B. et al. Layer-dependent band alignment of few layers of blue phosphorus and their van der Waals heterostructures with graphene. Physical Review B, College Park, v. 97, e 235419, 2018. DOI: 10.1103/PhysRevB.97.235419. Disponível em: https://journals.aps.org/prb/abstract/10.1103/PhysRevB.97.235419. Acesso em: 9 jul. 2024.
dc.identifier.doi10.1103/PhysRevB.97.235419
dc.identifier.issn2469-9950
dc.identifier.issne- 2469-9969
dc.identifier.urihttps://journals.aps.org/prb/abstract/10.1103/PhysRevB.97.235419
dc.language.isoeng
dc.publisher.countryEstados unidos
dc.publisher.departmentInstituto de Física - IF (RMG)
dc.rightsAcesso Restrito
dc.titleLayer-dependent band alignment of few layers of blue phosphorus and their van der Waals heterostructures with graphene
dc.typeArtigo

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