Materials Literature
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We investigate thermoelectric transport properties of ferromagnetic graphene with CT-invariant quantum spin Hall (CT-QSH) effect. Considering a strong magnetic field, we calculate the charge Seebeck coefficient ${S}_{c}$, spin Seebeck coefficient ${S}_{s}$, charge Nernst coefficient ${N}_{c}$, and spin Nernst coeffici…
Propulsion R&D for “new space” companies requires solutions capable of fast iteration at an affordable price. Masten’s new “plastic” rocket engine is a revolutionary workhorse chamber for cryogenic and gaseous injector testing. The engine utilizes a plastic, ceramic, and copper design with 850-1000 psi chamber pressur…
Ammonium perchlorate (AP) is an extensively used oxidizer in solid composite propellants and its combustion behavior can be tailored by the presence of catalytic additives, such as metal oxides. Nano-sized metal oxides have outperformed their micro-sized counterparts in some composite ammonium perchlorate/hydroxyl-ter…
Abstract In order to retrieve analogous designs for design-by-analogy, computational systems require the calculation of similarity between the target design and a repository of source designs. Representing designs as functional abstractions can support designers in practicing design-by-analogy by minimizing fixation o…
The increasing use of silver nanoparticles (AgNPs) due to its excellent antimicrobial activity in commercial products prompting concerns about their fate in the environment. The toxicity of AgNPs is mainly the result of Ag+ ions. In this study, soil was experimentally contaminated with 100 mg kg-1 of AgNO3 to investig…
Abstract An experimental procedure to determine the elastic modulus and tensile strength of kevlar reinforced nylon composites is discussed. Thermal Gravimetric Analysis (TGA), has been performed to determine the volume fraction of fiber and matrix components. TGA is a robust method to determine the volume fraction. I…
Purpose: Reducing the undesirable systemic effect of photodynamic therapy (PDT) can be achieved by incorporating a photosensitizer in microparticles (MPs). This study is devoted to the preparation of biocompatible biodegradable MPs with the inclusion of the natural photosensitizer Radachlorin (RС) and an assessment of…
Abstract As for the dynamics of a photovoltaic device, persistent photovoltage, generally implying long-lived charge carriers, is expected. Although in the observation of open-circuit photovoltage decay in perovskite devices an ultraslow process is often reported, the understandings and discussions are never short of…
Mo2FeB2 ceramics-reinforced Fe-based cladding with various rare earth (RE) concentrations were prepared by the carbon arc surfacing process. The effects of RE content on the microstructure, phase composition, hardness and wear resistance of the cladding were systematically discussed. Meanwhile, the area fraction and g…
Abstract The sputtering deposition commonly adopted in the photoelectrochemical water splitting device usually causes structure damage and accordingly performance degradation. Taking the Si-based photoanode as a model system, we propose a facile strategy to enable sputtering deposition of the film without damaging the…
Abstract Synchrotron radiation X-ray powder diffraction has visualized the charge order of Bi 3+ and Bi 5+ ions and the nature of chemical bonds in BaBiO 3 in electron charge density distribution maps. The Bi 3+ –O bond is considerably more ionic than the Bi 5+ –O bond in all four phases. BaBiO 3 can be regarded as an…
A static solution to dynamic aberrations for conformal aircraft windows with a large range of look angles is reported. The solution uses the inner window surface and a fixed lens array near the image plane to correct the dynamic window aberrations at different look angles. The inner window surface is first used to bal…
Abstract Rising atmospheric CO2 levels from significant imbalance between carbon emissions from fossil fuel utilization, especially for energy and chemicals, and natural carbon sequestration rates is known to drive-up the global temperatures and associated catastrophic climate changes, such as rising mean sea level, g…
First-principle computations are crucial for the understanding of the oxygen redox mechanism in lithium-excess transition metal oxide materials. An important tool for the assignment of the redox-active species is the projected density of states (PDOS). A topological analysis of the charge density, on the other hand, s…
The present study has investigated the role of nano-SiC on microstructure and tribological properties of SiC/Cu nano-composite. The nano-composite powders have been cold compacted under a constant pressure of 480 MPa and sintered at 8600 C under argon gas for 2 h. SEM-EDS and XRD diffraction were performed for microst…
Elastic stiffness constants, Cijs, of single crystal of NaCl B1 phase have been determined at pressure up to 20 GPa using inelastic x-ray scattering to measure elastic wave velocities and x-ray diffraction to measure densities in the same experimental setup. The Voigt-Reuss-Hill average velocities calculated from the…
Past studies of diode laser ignition for hybrid rockets has identified a promising ignition mechanism based on laser-heated char particles. However, many suitable thermoplastic fuel materials, such as Poly(methyl methacrylate), do not produce a char layer that is substantial enough to enable this process. This paper p…
In complex flight conditions, due to the large amount of unusable heat generated by aerodynamic heating, the thermal protection system of an aircraft needs to withstand a large temperature shock, which brings great challenges to the design of the structure. In order to effectively utilize the irregular aerodynamic hea…
Rapid industrialization and population growth have generated a worldwide interest in renewable energy resourcesto meet. In this context, microbial fuel cells serve the dual purpose of electricity generation and wastewater treatment in a sustainable way. Here, we conducted a set of experiments in two-chambered microbia…
We propose a modified quantum annealing protocol, i. e., pulsed quantum annealing} (PQA), in order to increase the success probability by a pulse application during the quantum annealing process. It is well known that the success probability of the conventional quantum annealing is reduced due to the Landau-Zener tran…