Materials Literature
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In this presentation, we will discuss device physics of Mott transistors, with emphasis on the following: device-quality correlated materials synthesis that requires reversible phase transitions; transistor fabrication with both solid state (e.g. hafnia) and ionic liquid gates; small signal device response and high fr…
Perfect light confinement in hollow, high-aspect-ratio, plasmonic U-shaped cavities is demonstrated by J.-J. Delaunay and co-workers on page 522 through the coupling of the cavity ridge hot spots with scalable mirrored surface plasmon U-cavity resonances. Light is fully trapped in intense optical vortices and confined…
It is known from literature that addition of small wt% of nanofillers into pure polypropylene matrix improves the electrical characteristics by many folds. This study is intended to compare the effect of natural and synthetic nanocomposites on the PD resistance when introduced in small concentrations in the base PP ma…
Organic solar cells as a new photoelectric conversion device have great potentiality, and it has attracted more and more attention. This paper briefly reviews operating principle, structure and classification of organic solar cells, and analyzes some factors affecting photoelectric conversion efficiency of organic sol…
Molybdenum disulphide (MoS2), a layered metal dichalcogenide material, has attracted significant attention recently for potential application in next-generation electronics, light detection and emission, and chemical sensing due to its unique electrical and optical properties. The intrinsic 2-dimensional nature of car…
In this work, the yttrium rich rare earth concentrate (Re2(CO3)3) was used as additive aiming stabilization of cubic an tetragonal phases at commercial zirconium oxide with 3% mol of yttrium oxide. The use of high purity rare earth oxide as additive is being commercially used and this work aims to demonstrate the pote…
Tin (II) sulfide is a promising earth-abundant thin-film solar absorber material due to its strong absorption and near-optimal bandgap. We demonstrate phase-pure evaporation of SnS in a CdTe-like manufacturing process, achieving phase-pure SnS thin-films through thermal evaporation of SnS powder. We investigate the ef…
In this paper we investigate starlikeness of double integral operators by using second-order differential inequalities. We shall give some interesting conditions for f (z) defined by double integral operators to be starlike of order .
Titanium alloy Ti-1023 is difficult to machine because of its high strength, chemical reactivity and low thermal conductivity. And it have tool wear and chipping due to its poor machinability. The relationship between milling force, tool life and milling parameters by adopting single-factor experimentation method is s…
A bending resonance magnetoelectric (ME) sensor with maximum generated response voltage is theoretically described. Based on the proposed model, the frequency dependence of the ME coefficient is determined. The optimum thickness of a piezoceramic layer is proposed, which provides a twofold increase in the response vol…
Partial Discharge (PD) is the most important issue that arise when testing service aged and non-aged cables. For long time, High Voltage Direct Current (HVDC) was used to detect the occurrence of PD activity in cables. Due to technical reasons, the HVDC was replaced by the Very Low Frequency (VLF). Wide range of frequ…
Light trapping induced by plasmonic metal nanoparticles is of extensive interest for photovoltaics. In this paper, plasmonic effect of silver nanoparticles embedded in dielectric layers hybrid structures on c-Si photoactive absorbing material is presented. Dielectric SiNxand SiO2layers were considered and deposited by…
The microstructure and mechanical properties of the four spring steels with different Si content treated by Q-I-Q-T process were studied by metallographic microscope, MTS, impact testing machine and X-ray stress analyzer. The results show that the tensile strength and yield strength is first increased and then decreas…
Fractional calculus is used for theoretical description of a nondestructive diagnosis method for quality assessment of electric insulation in capacitors, transformers and other devices. The new analytical approach is based on deviation of the relaxation law from the exponential (Debye) one clearly observed in experime…
Membrane gas separation is a forthcoming technology that advertised a great commercial potential in diverse industrial applications. Consequently, membrane-based natural gas processing has been among the fastest growing segments of the economic growth. The turbostratic structure of carbon membranes has been affirmed t…
Based on the FEM software simufact.forming, a finite element model of the radial-axial ring rolling for one ring product was constructed and the rolling process under different drum-shaped blanks were simulated in this paper, which revealed the variation of drum-shaped blank in the rolling process, analyzed the format…
Many successful applications for the online monitoring of the insulation condition for electric power transformers have been reported over last thirty years. However, false or unsolved alarms have been quite frequently generated by those condition monitoring systems. Failures and some occasionally catastrophic acciden…
High quality Ge and SixGe1-xfilms grown on Si substrates are attractive for a wide range of applications in optics, optoelectronics, and high efficiency solar cells. In this study, heteroepitaxial growth of Ge on nanostructured Si surfaces has been investigated. Thermally evaporated amorphous Ge films are vacuum-depos…
In Germany, the concept of dry interim storage of spent fuel in dual purpose metal casks is implemented, currently for periods of up to 40 years. The casks being used have an approved package design in accordance with the international transport regulations. The license for dry storage is granted on the German Atomic…
Abstract We optimized the emission spectrum of a quantum dot (QD) backlight and achieved ∼140% color gamut in CIE 1976 color space. The QD‐based LCD not only exhibits a wide color gamut but also improves the optical efficiency. Our systematic photometric analysis provides useful guidelines to further optimize the QD b…