Materials Literature
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Hydroxyapatite (HAP) nanoparticles (NPs), which interfaces temporarily or permanently with viable tissues and cells, are in current use covering a wide range of medical applications, hence, it is indispensable to study the potential side effect acting on living organism, and to figure out the biocompatibility evaluati…
Abstract Various experimental techniques have revealed that the predominant intrinsic point defects in BaF2 are anion Frenkel defects. Their formation, enthalpy and entropy, as well as the corresponding parameters for the fluorine vacancy and fluorine interstitial motion have been determined. In addition, low temperat…
Solidification of the electrolyte in a dye-sensitized solar cell (DSSC) is important to improve safety and reliability by lowering the risk of electrolyte loss from the cell. The hole transport material is a promising candidate for the solid electrolyte, although the optimized structure between the photoanode and the…
The moving contact line is the line of intersection between two immiscible fluids as one displaces the other along a solid boundary (i.e. dynamic wetting). The displacement process has been the subject of a large amount of theoretical, numerical, and experimental research throughout the twentieth century [1], yet the…
Liquid mercury target system for spallation neutron source is installed at Materials and Life Science Experimental Facility in Japan Proton Accelerator Research Complex (J-PARC), which will promote innovative science. Austenitic stainless steel SUS316 for a structural material of the target vessel is contact with merc…
Two types of high-index coated lensed fibers are numerically investigated for optical coupling from Si-based nanowire waveguides to the lensed fibers. One is with a layer of high-index film coated on tip of conventional lensed single-mode fiber (SMF) and the other is with an additional coreless fiber section inserted…
Dye–Sensitized Solar Cells (DSSCs), which are one of the promising molecular photovoltaics, have been attracting considerable attention because the unconventional solar cells exhibit high performance and have the potential for low–cost production. The photosensitizer is one of the most important components influencing…
We propose the use of titanium dioxide as cladding material to reduce the temperature sensitivity of silicon-based microresonators. The advantages of using titanium dioxide over the conventional alternatives are discussed, and experimental results are presented.
Nanocomposites of natural rubber (NR)/organo ZnAl layered double hydroxide (ZnAl LDH-DS) were successfully synthesized and characterized. A hydrophilic Zn-Al layered double hydroxide (ZnAl LDH-NO3-) was converted into the organophilic form by replacing the nitrate ion in between the ZnAl LDH-NO3- with dodecylsulfate i…
Expanded graphite (EG) shows higher adsorption capacity for oils such as salad oil and SD300 oil than polyethylene glycol (PEG) with different MW (4000, 10000, 20000). To illustrate their different adsorption mechanism, adsorption capacities of EG for these pollutants are firstly detected. And then stepwise adsorption…
We present the magnetic properties of silica-supported metal (Fe,catalyst) nanoparticles synthesized by precipitation of metal nitrate in ammonia-based medium. Our goal is the study of possible metal-support interactions in the nanoporous catalyst. The temperature dependence of the magnetization for all samples displa…
Nanospheres containing a crystalline silicon core covered with thin silica shell were prepared by super high-frequency plasmochemical technique and studied in aqueous solutions by capillary zone electrophoresis (CZE). The nanospheres dispersed in phosphate buffer solutions by ultrasonication were found to be a mixture…
In this paper, conceptual design study of Small Long‐life Gas Cooled Fast Reactors with Natural Uranium as Fuel Cycle Input has been performed. In this study Gas Cooled Fast Reactor is slightly modified by employing modified CANDLE burn‐up scheme so that it can use Natural Uranium as fuel cycle input. Due to their har…
This paper shows the wear characteristics of carbon nanotube films made by surface decomposition of SiC. By this method, one can obtain remarkably high density of CNTs with well vertical alignment. For the purpose of measuring the wear characteristics of CNT films with submicrometer thickness, we carried out nanoscrat…
We report a top-down fabrication method that involves the combination of superionic-solid-state-stamping (S4) patterning with metal-assisted-chemical-etching (MacEtch), to produce silicon nanowire arrays with defined geometry and optical properties in a manufacturable fashion.
In this paper, the authors present and discuss a model for Cu-Se nano resonant tunneling diodes (RTDs) fabricated by negative template assisted electrodeposition technique and formulate the mathematical equations for it. The model successfully explains the experimental findings.
A methodology is presented to evaluate the oxidative degradation of compression-molded samples made from high-density polyethylene corrugated pipe resin. The test samples contained 2.5 wt% of carbon black and an antioxidant (AO) package that consisted of 0.05% Irganox 1010 and 0.1% Irgafox 168. Samples were incubated…
Microstructure and mechanical properties of martensitic steels after ultrafine-crystallized drilling were investigated. Nano- (at top surface) and submicron-crystalline structures (UFG structure) were formed near drill-hole surface at more than Ac1 by ultrafine-crystallized drilling. The nanocrystalline structure has…
Plastic recycling is a recovery process of waste plastics to make new products into different forms. Plastics are usually sorted based on their resin identification codes before the recycling and melting processes. Although the recycling rate of plastics is significantly high, properties and economical value of the re…
Pure phase TbMnO 3 manganite thin films with hexagonal ( h -TMO) and orthorhombic ( o - TMO) crystal structures were prepared by pulsed laser deposition. The distinctive orientation alignments between film and substrate obtained here have allowed us to perform the x-ray absorption near edge spectroscopy (XANES) measur…