Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Mouhafid, Abderrahim El"'
The electronic transport properties of two junctions (BGB, GBG) made of borophene (B) and graphene (G) are investigated. Using the transfer matrix method with Chebyshev polynomials, we have studied single and multiple barriers in a superlattice confi
Externí odkaz:
http://arxiv.org/abs/2403.19429
By studying the impact of a perpendicular magnetic field $B$ on AB-bilayer graphene (AB-BLG) under dual gating, we yield several key findings for the ballistic transport of gate $U_\infty$. Firstly, we discover that the presence of $B$ leads to a dec
Externí odkaz:
http://arxiv.org/abs/2402.18399
Publikováno v:
Applied Physics A (2024) 130:347
We study the transport properties of Dirac fermions in ABC trilayer graphene (ABC-TLG) superlattices. More specifically, we analyze the impact of varying the physical parameters -- the number of cells, barrier/well width, and barrier heights -- on el
Externí odkaz:
http://arxiv.org/abs/2312.14704
Trilayer graphene {(TLG)} consists of three layers of graphene arranged in a particular stacking order. In the case of ABC-ABA-ABC stacking, the layers are arranged in an A-B-C sequence, followed by an A-B-A sequence, and again an A-B-C sequence. Thi
Externí odkaz:
http://arxiv.org/abs/2312.08046
Publikováno v:
Annalen der Physik (2024)
We investigate the transmissions of fermions through gapped graphene structures by employing a combination of double barrier tilting and a time-oscillating potential. The latter introduces additional sidebands into the transmission probability, which
Externí odkaz:
http://arxiv.org/abs/2304.10332
Autor:
Mouhafid, Abderrahim El, Jellal, Ahmed
The effect of a parallel magnetic field $B$ and a potential substrate on the transmission, conductivity, and Fano factor of a biased ABC-stacked $pn$ and $pnp$ trilayer graphene junction (ABC-TLG) is investigated theoretically at low energy. We disco
Externí odkaz:
http://arxiv.org/abs/2208.14969
We investigate the transport properties of charge carriers in AB bilayer graphene through a triple electrostatic barrier. We calculate the transmission and reflection using the continuity conditions at the interfaces of the triple barrier together wi
Externí odkaz:
http://arxiv.org/abs/2206.15446
Klein tunneling and conductance for Dirac fermions in ABC-stacked trilayer graphene (ABC-TLG) through symmetric and asymmetric double potential barriers are investigated using the two and six-band continuum model. Numerical results for our system sho
Externí odkaz:
http://arxiv.org/abs/2109.15100
We investigate transport properties through a rectangular potential barrier in AB-stacked bilayer graphene (AB-BLG) gapped by dielectric layers. Using the Dirac-like Hamiltonian with a transfer matrix approach we obtain transmission and reflection pr
Externí odkaz:
http://arxiv.org/abs/2101.09473
Autor:
Mouhafid, Abderrahim El, Jellal, Ahmed
We investigate the band structure of ABCA-tetralayer graphene (ABCA-TTLG) subjected to an external potential $V$ applied between top and bottom layers. Using the tight-binding model, including the nearest $t$ and next-nearest-neighbor $t'$ hopping, l
Externí odkaz:
http://arxiv.org/abs/1903.05676