نتایج جستجو برای: bi metallic
تعداد نتایج: 84894 فیلتر نتایج به سال:
In an ideal 3D topological insulator (TI), the bulk is insulating and the surface conducting due to the existence of metallic states that are localized on the surface; these are the topological surface states. Quaternary Bi-based compounds of Bi(2-x)Sb(x)Te(3-y)Se(y) with finely-tuned bulk stoichiometries are good candidates for realizing ideal 3D TI behavior due to their bulk insulating charac...
Topological insulators are electronic materials with an insulating bulk and conducting surface. However, due to free carriers in the bulk, the properties of the metallic surface are difficult to detect and characterize in most topological insulator materials. Recently, a new topological insulator Bi₁.₅Sb₀.₅Te₁.₇Se₁.₃ (BSTS) was found, showing high bulk resistivities of 1-10 Ω.cm and greater con...
The quality of metallic additive manufacturing outputs is heavily dependent on the employed processing parameters. Hence, assessment and definition input variables appropriate to material in question vital importance, order optimise attainable properties minimise wasted feed stock failed trials. In this work, optimal parameters for 18Ni300 Maraging steel are found deposition an H13 substrate. A...
Recently, topological insulators (Bi2Se3, Bi2Te3 and Sb2Te3) have attracted much attention because of their bulk band gap (0.3 eV) and spin-polarized surface states with conductive massless Dirac Fermions [1]. Interestingly, Bi2Se3 has rhombohedral crystal structure which consists of Se or Bi lattices in stacked manner with the sequence of Se-Bi-Se-Bi-Se. This forms a sheet-like structure in wh...
39 Abstract—We describe a novel plasmonic hybrid nanostructure based on a silver island film covered with a dielectric silica layer. The thickness of the silica layer is varied from 0 to approximately 46 nm on a single sample, thus allowing for continuous variation of the interaction strength between plasmon excitations in the metallic film and the excited states of pigments comprising photosyn...
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