Plasmon characteristics in a monolayer of 2H-TiS2 in the presence of strain are carefully analyzed by employing the density functional theory along with random phase approximation. The anisotropic properties of 2H-TiS2 are carefully analyzed under biaxial strains. An anisotropic semi-Dirac cone in the electronic band-structure is observed at a specific biaxial strain configuration. This unique characteristic can be explained by the hybridization of orbitals at the conduction band minimum and valence band maximum which can be effectively tuned by applying strain. The effect of anisotropic electronic band-structure on the properties of plasmons is investigated by utilizing the electron energy loss spectrum analysis. A q dispersion along the Γ−K direction and a linear dispersion along the Γ − M ′ were found. The linear dispersion characterizes an extrinsic acoustic plasmon mode that can be tuned by the carrier concentration.

In this paper, the impact of correlation between two line-edge roughnesses (LERs) on electronic transport in armchair graphene nanoribbons (AGNRs) is investigated, employing an atomistic model based on the non-equilibrium Greens function formalism. For demonstrating the influence of this correlation, crucial transport properties like mean free path and localization lengths corresponding to different sets of roughnesses and geometrical parameters are extracted. The results indicate the substantial role of the degree of crosscorrelation in transport characteristics. Besides, for showing its importance in practice, some parameters in an AGNR-based field effect transistor relating to diverse correlations are provided. Additionally, an analytical compact model is developed to formulate conductance as a function of cross-correlation coefficient. The presented results offer novel insights into electronic transport in GNRs casting light on how the correlation of LERs should be regarded as the decisive factor in choosing an experimental approach for fabrication of GNRs.

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