Optical rectennas consist of nano-antennas and nano-scale rectifying diodes, providing extensive prospects for thermal radiation energy harvesting applications. To achieve this, high current density asymmetry must be simultaneously obtained in diodes with ultra-high-speed responses to optical frequencies. In this study, we report a metal-insulator-metal (MIM) diode strongly enhanced electric fi...

objective: maintaining the health of oral tissues is a major goal in dentistry. however, limitations in dental materials, instruments, procedures and medications prevent achievement of this goal. advances in nanotechnology have paved the way to approach this goal. this study reviews the advances on nanotechnology in dentistry. review of literatures: in this review study, google scholar, pubmed,...

In this work, we report a nano-fluorophore prepared by polymerization-induced self-assembly (PISA) method based on reversible addition-fragmentation chain transfer polymerization. The macromolecular agent was polyethylene glycol-based trithiocarbonate, and the monomer chalcone derivative terminated with ethylene group. reaction/assembly conducted in dioxane, where nanoparticles extremely unifor...

in this article, by using chebyshev’s polynomials and chebyshev’s expansion, we obtain the best uniform polynomial approximation out of p2n to a class of rational functions of the form (ax2+c)-1 on any non symmetric interval [d,e]. using the obtained approximation, we provide the best uniform polynomial approximation to a class of rational functions of the form (ax2+bx+c)-1 for both cases b2-4a...

The melting heat transfer of CuO—coconut oil embedded in a non-uniform copper metal foam—was addressed. Copper foam is placed channel-shaped Thermal Energy Storage (TES) unit heated from one side. with linear porosity gradient direction perpendicular to the surface. finite element method was applied simulate natural convection flow and phase change TES unit. results showed that could significan...

Abstract Oscillator-based data-classification schemes have been proposed recently using the Kuramoto model, which tries to capture synchronization behavior of coupled oscillators without considering underlying physics oscillation and coupling. In this paper, we propose hardware implementation a Kuramoto-model-based scheme through an array dipole-coupled uniform-mode spin Hall nano-oscillators (...