Tuning Gap in Corrugated Graphene with Spin Dependence
arXiv:2107.00409 · doi:10.1016/j.physe.2022.115227
Abstract
We study transmission in a system consisting of a curved graphene surface as an arc (ripple) of circle connected to two flat graphene sheets on the left and right sides. We introduce a mass term in the curved part and study the effect of a generated band gap in spectrum on transport properties for spin-up/-down. The tunneling analysis allows us to find all transmission and reflections channels modeled by the band gap. This later acts by decreasing the transmissions with spin-up/-down but increasing with spin opposite, which exhibit some behaviors look like bell-shaped curve. We find resonances appearing in reflection with the same spin, thus backscattering with a spin-up/-down is not null in ripple. We observe huge spatial shifts for the total conduction in our model and the magnitudes of these shifts can be efficiently controlled by adjusting the band gap. This high order tunability of the tunneling effect can be used to design highly accurate devises based on graphene.
arXiv comment17 pages, 10 figures. Clarifications and references added
References in corpus (19)
- The electronic properties of graphene
- Two-Dimensional Gas of Massless Dirac Fermions in Graphene
- Experimental Observation of Quantum Hall Effect and Berry's Phase in Graphene
- Substrate-induced band gap opening in epitaxial graphene
- Intrinsic ripples in graphene
- Ripple Texturing of Suspended Graphene Atomic Membranes
- Coherent control of a single electron spin with electric fields
- Coupling of Spin and Orbital Motion of Electrons in Carbon Nanotubes
- Electronic and optical properties of strained graphene and other strained 2D materials: a review
- Electron scattering on microscopic corrugations in graphene
- Gaps tunable by electrostatic gates in strained graphene
- Growth and Electronic Structure of Boron-Doped Graphene
- Graphene nano ribbons subjected to axial stress
- Gauge fields, ripples and wrinkles in graphene layers
- Electron-Phonon interaction and electronic decoherence in molecular conductors
- Cooperative phenomenon in a rippled graphene: Chiral spin guide
- Spin Conductance of Diffusive Graphene Nanoribbons: a Probe of Zigzag Edge Magnetization
- Spin-dependent electron transmission across the corrugated graphene
- Landau-Zener and Rabi oscillations in the spin-dependent conductance