Author(s): Belayadi A; Vasilopoulos P;

We study spin transport through graphene-like substrates in the presence of one or several, locally induced spin-orbit coupling (SOC) terms resulting from periodically placed strips, on their top and decorated with a random distribution of impurities. Intrinsic SOC (ISOC), Rashba SOC (RSOC) and/or pseudo-spin-inversion-asymmetry coupling (PIAC) are consid ...

Article GUID: 37230067

Author(s): Bahrami M; Vasilopoulos P;

We study the influence of the phase-change material VO2 on transverse magnetic (TM) surface plasmon (SP) modes in metallic arm-chair graphene nanoribbon (AGNR) qubits in the Lindhard approximation. We assess the effects of temperature as a dynamic knob for the transition from the insulating to the metallic phase on the TM SP modes in single-band (SB) and ...

Article GUID: 36839087

Author(s): Belayadi A; Vasilopoulos P;

We investigate spin transport through graphene-like substrates stubbed vertically with transition-metal-dichalkogenides (TMDs). A tight-binding model is used based on a graphene-like Hamiltonian that includes di?erent types of spin-orbit coupling (SOC) terms permitted by the C3v symmetry group in TMDs/graphene-like heterostructures. The results show a spi ...

Article GUID: 36301679

Author(s): Bahrami M; Vasilopoulos P;

We study the effect of the phase-change material VO2 on plasmons in metallic arm-chair graphene nanoribbons (AGNRs) within the random-phase approximation (RPA) for intra- and inter-band transitions. We assess the influence of temperature as a knob for the transition from the insulating to the metallic phase of VO2 on localized and propagating plasmon mode ...

Article GUID: 36014730

Author(s): Bahrami M; Vasilopoulos P;

Within linear-response theory we derive a response function that thoroughly accounts for the in?uence of elastic scattering and is valid beyond the long-wavelength limit. We use the theory to evaluate the polarization function and the conductivity in metallic armchair graphene nanoribbons (AGNRs) in the Lindhard approximation for intra-band and inter-band ...

Article GUID: 35090140

Author(s): Vargiamidis V, Vasilopoulos P, Hai GQ

J Phys Condens Matter. 2014 Aug 27;26(34):345303 Authors: Vargiamidis V, Vasilopoulos P, Hai GQ

Article GUID: 25105319

Author(s): Tahir M, Vasilopoulos P

J Phys Condens Matter. 2015 Feb 25;27(7):075303 Authors: Tahir M, Vasilopoulos P

Article GUID: 25639935

Author(s): Tahir M, Vasilopoulos P, Schwingenschlögl U

J Phys Condens Matter. 2016 09 28;28(38):385302 Authors: Tahir M, Vasilopoulos P, Schwingenschlögl U

Article GUID: 27460419