Materials Literature
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Stainless steels containing more than 16 mass% of Cr show slow oxidation after protective Cr2O3 film has covered the surface at high temperature. For longer exposure, however, oxidation accelerates after non-protective Fe oxide formed. It is important to explain the cause of the transition from protective to non-prote…
The equation of state of warm dense ethane is obtained using quantum molecular dynamics simulations based on finite-temperature density functional theory for densities from 0.1 g/cm3 to 3.1 g/cm3 and temperatures from 0.1 eV to 5.17 eV. The calculated pressure and internal energy are fitted with cubic polynomials in t…
Ni-Ti alloy is one of the most investigated alloys as a biomaterial due to its favorable mechanical properties such as superelasticity and shape memory effect. Due to the toxicity of nickel, the dissolution of nickel is one of the most severe problems when Ni-Ti alloy is used in the body. Protective passive films main…
One of the major phenomena to shorten SOFC durability is the formation of insulated phases, such as SrZrO3, between the cathode and the electrolyte. It is known that SrZrO3 is formed and grown during sintering processes as well as during long-term operation. A systematical study is therefore desired to clarify the SrZ…
Polymer electrolyte membrane (PEM) fuel cells have been demonstrated as a promising technology in meeting some of the challenges faced with shifting towards a clean and renewable energy economy. High Temperature PEM (HTPEM) fuel cells provide an attractive alternative to low temperature PEM fuel cells with respect to…
In this work, a novel numerical approach for the simulation of electrochemical and power performance of Microbial Fuel Cells (LBM) for waste-water treatment is proposed. Our model is based on the accurate description of the MFC internal phenomena by means of the Lattice Boltzmann Method, a numerical approach based on…
I review recent work focussing on whether thermodynamics can be extended to nonequilibrium steady states (NESS), in particular, the possibility of consistent definitions of temperature T and chemical potential μ for NESS. The testing-grounds are simple lattice models with stochastic dynamics. Each model includes a dri…
Inhibition effect of some hydroxytriazenes on copper in nitric acid medium has been studied using weight loss technique at temperature range between 303 to 343 K. The used hydroxytriazene compounds are 3-Hydroxy-3-phenyl-1-(4-sulphonato(sodium salt) phenyl) triazene(HPST), 3-Hydroxy-3-(3-methylphenyl)- 1-(4-sulphonato…
Magnetic random access memory (MRAM) consisting of magnetic tunnel junctions (MTJs) is a fascinating candidate for high-density nonvolatile memory. An MTJ has two ferromagnetic metals called free and pinned layers separated by nonmagnetic spacer. The free layer in the MTJ shows two energetically stable states correspo…
A composite plating method is very useful to add new function in plated films. However, the composite plating method has serious problems due to particles in the bath, deterioration of bath stability and difficulty of filtering to maintain quality of plated films. Oue et. al.1) reported a composite films, Zn-Al2O3, pl…
Abstract The end market for transparent flexible barrier films is larger than for metallized films. Presently, the market is still dominated by polymeric barrier layers but the used chemicals may be harmful for the environment. An alternative would be transparent thin layers deposited by vacuum deposition techniques u…
The application of germanium (Ge) as a promising material for complementary metal-oxide semiconductors (CMOS) technology is attracting attention due to its narrow band gap, high carrier mobility and low voltage operations. Recent experimental and theoretical studies revealed that dopants in Ge cluster with vacancies f…
Two-dimensional (2D) materials are a new material system with interesting and extraordinary physical properties. These characteristics make them have many applications including field-effect transistor (FET), flexible electronics, and optoelectronic devices [ 1,2,3 ]. Transition Metal Dichalcogenides (TMDs), such as M…
On page 7626, G. Zheng and co-workers report a new design strategy of aqueous lithium-ion batteries with an excellent energy-storage capability. The surface of carbon nanotubes is functionalized with polyimides (the molecule structure shown), in which water molecules have a low binding affinity. The intrinsic sluggish…
Due to the widely applications of giant magnetoresistance (GMR) phenomenon in magnetic recording, biosensing, and biochip systems, and the unique physical and chemical properties of polyaniline (PANI), the MR behavior of conjugated conductive PANI nanoparticles is widely studied in recent years to widen its applicatio…
IR analysis and the plasma deposition of silicon-containing hydroxyapatite powder have been carried out. It has been shown that the coating exhibits developed morphology and consists of molten powder (including nanosize) particles uniformly distributed over the entire surface. The adhesion characteristics have been ca…
Rechargeable batteries in general and sodium-ion batteries in particular are widely pursued for economic implementation of grid-scale power storage. Sodium-ion batteries are viable for micro-to-medium scale grid-storage owing to the abundance of sodium-resource. Similar to the Li-ion batteries, cathodes form the key c…
A facile and cost-effective strategy for foldable and flexible electronics is solution process, such as inkjet printing, of graphene-based materials, which will be also useful for application with large area or ultra-thin form factor. In this presentation, graphene ink and graphene/silver nanowire (AgNW) paste were fo…
ABSTRACT: Li4Ti5O12 nanosheets (LTO NSs)/carbon nanotubes (CNTs) composites are synthesized using a facile, reproducible, and scalable strategy. In the hydrothermal process, the introduction of CNTs significantly improves the rate performance of LTO NSs. The incorporation of CNTs into the LTO NSs forms a delicate cond…
High temperature PEM fuel cell based on phosphoric acid doped polybenzimidazole have reached a quite mature state of development. However, durability is still a critical issue and the key to improving it is a better understanding of the degradation mechanisms. It can be expected that the cells have most, if not all, d…