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Article Dans Une Revue Physics Letters A Année : 2023

Glancing angle deposition for tuning electronic transport properties of Si thin films

Résumé

In this work, we developed a one-dimensional tight-binding model to study conductivity in solid-state superlattices. We investigated the localization properties of a tight-binding equation where the on-site potential is replaced by both quasiperiodic and periodic functions. We compared the metal–insulator transitions obtained using a periodic potential with an external electric field and an Aubry–André potential, which is the only known case of a 1D model with a mobility edge. For the case of a periodic potential, we found the existence of a similar mobility edge if the applied electric field is small enough. In such a case, the extended and localized states in the superlattice can be controlled by an external source.
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Dates et versions

hal-04224355 , version 1 (02-10-2023)

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Stefania Oliveri, Jean-Marc Cote, Marina Raschetti, Pierre Roux, Nicolas Martin. Glancing angle deposition for tuning electronic transport properties of Si thin films. Physics Letters A, 2023, 480, pp.128955 (4). ⟨10.1016/j.physleta.2023.128955⟩. ⟨hal-04224355⟩
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