Materials Literature
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A lengthwise crack in a rod that exhibits smooth (continuous) material inhomogeneity in the transverse direction is studied. The rod has a circular cross-section. The lengthwise crack is located arbitrarily along the thickness of the rod. A solution to the strain energy release rate is derived assuming that the moduli…
A técnica de extrusão reativa tem se mostrado eficiente na incorporação de compostos bioativos para a aplicação em filmes com propriedades ativas. A curcumina apresenta reconhecido potencial antioxidante e antimicrobiano e sua aplicação em embalagens ativas tem sido investigada. Entretanto, devido à sua insolubilidade…
The C-C and C-H bonds have high bond strength and low polarization, which make many small hydrocarbons too inert to react with other molecules under ambient pressure and temperature conditions. Therefore, activation of these bonds is required to convert such small molecules into other value-added chemicals. Among vari…
In the present study, we have demonstrated recovery of metastable Fe-Mo alloy with bcc structure through novel hydride formation above 6 GPa and structural change from hcp to bcc with dehydrogenation reaction during depressurization at room temperature (RT).
Abstract The absence of a long-term solution for the storage of spent nuclear fuel prompts utilities in the United States to establish on-site storage for used fuel. The challenges associated with placement of spent fuel in dry cask storage on the power plant’s Independent Spent Fuel Storage Installations (ISFSI’s) in…
Synchrotron X-ray powder diffraction data indicate that La_{0.5}Sr_{0.5}Mn_{0.5}Rh_{0.5}O_{3} and La_{0.5}Sr_{0.5}Fe_{0.5}Rh_{0.5}O_{3} adopt distorted perovskite structures (space group Pnma) with A-site and B-site cation disorder. A combination of XPS and {57}^Fe Mössbauer data indicate the transition metal cations…
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Abstract Synthetic polymers are indispensable in many different applications, but there is a growing need for green processes and natural surfactants for emulsion polymerization. The use of solid particles to stabilize Pickering emulsions is a particularly attractive avenue, but oxygen sensitivity has remained a formi…
Fluorescent organic dots are emerging as promising bioimaging reagents because of their high brightness, good photostability, excellent biocompatibility, and facile surface functionalization. Organic dots with large two-photon absorption (TPA) cross sections are highly desired for two-photon fluorescence microscopy. I…
Abstract Present study is focused on the computational analysis of melting of PCM inside the spherical capsule. Both unconstrained and constrained melting is analyzed for the constant PCM volume and similar initial and boundary conditions. RT27 is chosen as the PCM for this study. Air is considered at the top of PCM i…
Abstract To support the 1F decommissioning project, the Institute of Applied Energy has been analyzing the course of the accident using the SAMPSON code with an aim to grasp radionuclide distribution in 1F NPP. The present study has mainly focused on molybdenum release from a fuel pellet and chemical forms of iodine d…
Abstract Due to the intermittent nature of the renewable power plants and the rigid operation of existing plans, the need for flexible power production is eminent. Hybrid energy systems have shown potential for flexible power production capable to fulfill the power demands and maintain the efficiency. This work studie…
Empirical fitting of parameters in approximate density functionals is common. Such fits conflate errors in the self-consistent density with errors in the energy functional, but density-corrected DFT (DC-DFT) separates these two. We illustrate with catastrophic failures of a toy functional applied to $H_2^+$ at varying…
Recently, the emerging field of two-dimensional materials is known to be promising due to their unique structure, special optical and electrical properties, and their applications in optoelectronic devices. In this paper, for the first time, we are reporting on new MoS2samples with slightly different structures to tha…
In this work, the Method of Lines (MoL) is proposed for the analysis of anisotropic graphene-based periodic structures for the first time. This method is based on the Floquet's theorem and stable impedance/admittance transformation. Using Floquet's theorem, we equivalent the periodic structure with a transmission line…
In this paper, we propose a methodology for characterization and homogenization of substrated metasurfaces by considering the behavior of the constituting scatterers and the interactions between them, independently. Then the proposed method is used to calculate the characteristic parameters of two different cases. At…
This paper demonstrates far field, trapping of a single dielectric nanoparticle using a Plasmonic Zone Plate Lens. This is achieved by beaming a linearly polarized light through series of concentric annular slit-rings formed in Gold, leading to creation of a sub-diffraction focal spot in the far field which can be use…
Mid-infrared modulators based on tunable metasurface enable us to design modulators with high modulation depth (MD) at the desired wavelengths. Regarding the combination of numerous variable parameters affecting the modulator operation, a multi-objective optimization approach was proposed and employed to achieve high…
Multi-layer graphene nanoribbons are one of the most probable successive materials for replacing Cu interconnects in very large scale integrated circuit. In this work the crosstalk induced noise and delay in MLGNR and Cu based interconnects are analytically calculated and compared. It is shown that MLGNR interconnects…
A thin film of visible light absorber is proposed. We adopt a transmission grating to focus light on a vertical gold film under the amorphous silicon(a-Si) surface. The higher intensity plasmons are produced at the interface between gold and a-Si by focusing. The thickness of the a-Si absorber is about 170nm, but can…