Rhombellanes are mathematical structures existing in various environments, in crystal or quasicrystal networks, or even in their homeomorphs, further possible becoming real molecules. Rhombellanes originate in the K2.3 complete bipartite graph, a tile found in the linear polymeric staffanes. In close analogy, a rod-like polymer derived from hexahydroxy-cyclohexane was imagined. Further, the ide...

Herein, the mid-infrared (7.7–13.7 ?m) diamond-based phase shifter was designed and optimized by finite-element analysis. The ridge-shaped diamond waveguide is doped to form internal p–n structure, carrier distribution changed applying forward reverse voltages change effective refractive index achieve effect of ?-phase shift. results show that when p-doping concentration 4 × 1017 cm?3 n doping ...

the price of single point diamond tools with a sharp tip is very high due to complex machining process and highly expensive machining equipments. yet, the performance is not quite satisfactory. in this paper, we have presented a very simple and cost effective machining process for the sharpening and polishing of diamond stylus using low energy reactive ion beam machining (ribm). in our method, ...

Single crystals and polycrystalline diamond films of several thicknesses were deposited using oxygen/acetylene combustion flame technique. The substrate used was pure polycrystalline molybdenum subjected to mechanical polishing. Quality and microstructural characteristic of diamond produced were investigated using X-Ray diffraction, Raman Spectroscopy, Scanning and Transmission Electron Microsc...

The conundrum of how to balance economic growth with transportation carbon abatement has never been more vital for the Belt and Road countries. This study analyzes Transport-Environmental Kuznets Curve nexus explores heterogeneity using fixed-effect estimation panel data from 1981 2020 in 64 findings indicate that there is an N-shaped between transport emissions growth. environmental rebound ef...