نتایج جستجو برای: silicene
تعداد نتایج: 704 فیلتر نتایج به سال:
The analytical electrical transport model of the Silicene, a single layer of sp3 bonded silicon atoms in the honeycomb lattice structure as a channel in the field effect transistor configuration is presented in this paper. Although the carrier concentration of the Silicene shows similar behavior to Graphene, there are some differences in the conductance behavior. Presented model shows increment...
We theoretically study electrically tunable magnetoplasmons in a monolayer of silicene or germanene. We derive the dynamical response function and take into account the effects of strong spin-orbit coupling (SOC) and of an external electric filed E(z) perpendicular to the plane of the buckled silicene/germanene. Employing the random-phase approximation we analyze the magnetoplasmon spectrum. Th...
We study characteristic electronic structures in an extended martini lattice model and propose its materialization $\pi$-electron networks constructed by designated chemisorption on graphene silicene. By investigating the minimal tight-binding model, we reveal rich tuned ratio of hopping parameters, ranging from band insulator to unconventional gapless semiconductor. Remarkably, semiconductor i...
Application of silicene, germanene and stanene for Na or Li ion storage: A theoretical investigation
Silicene, germanene and stanene likely to graphene are atomic thick material with interesting properties. We employed first-principles density functional theory (DFT) calculations to investigate and compare the interaction of Na or Li ions on these films. We first identified the most stable binding sites and their corresponding binding energies for a single Na or Li adatom on the considered mem...
In this work we analyze the effects of application an external electric field in formation a local magnetic moment silicene. By adding impurity top site host lattice and computing real imaginary part self-energy energy level, polarized density states is used order to obtain occupation number up down spin considering mean approximation. Unequal numbers precursor depends critically on Hubbard par...
The use of deoxyribonucleic acid (DNA) hybridization to detect disease-related gene expression is a valuable diagnostic tool. An ion-sensitive field-effect transistor (ISFET) with graphene layer has been utilized for detecting DNA hybridization. Silicene two-dimensional silicon allotrope structural properties similar graphene. Thus, it recently experienced intensive scientific research interest...
We propose a sequential Al2O3 encapsulation of silicene as solution to degradation, that can be extended the general case epitaxial Xenes on substrates.
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