Materials Literature
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New green emitting compounds based on tris(N-methylindolo)benzene (NMT), anthracene and pyrene were synthesized. NMT-An and NMT-Py were used as an emitting layer in OLED device to examine emitting property. OLED device containing NMT-An emitting layer and conventional hole transporting layer (HTL) of NPB was found to…
BACKGROUND: Protein sequence alignment is essential for a variety of tasks such as homology modeling and active site prediction. Alignment errors remain the main cause of low-quality structure models. A bioinformatics tool to refine alignments is needed to make protein alignments more accurate. RESULTS: We developed t…
Thin Zr-doped lanthanum niobium oxide (LaNb1-xZrxO4) films were formed on the optical quartz (SiO2) substrates using magnetron sputtering technique. Formed LaNb1-xZrxO4 thin films were characterized using different techniques: X-ray diffraction (XRD), scanning electron microscope (SEM) and impedance spectroscopy. Elec…
The focus of research in this article is the reflection, transmission and absorption of microwave radiation by nanometer metal films under oblique incidence of two counter-propagating coherent waves on the opposite surfaces of the film. We demonstrate that at certain values of the angle of incidence and of film thickn…
Thermoelectric minerals have been found at Loei Province, in the northeastern part of Thailand. Local mineral specimens were prepared in the powders and bulk solids form by crushing, calcination and annealing, pressure and sintering, cutting and polishing. Mineral samples were used to analyze the composition and phase…
By using oblique deposition technique to fabricate FeCo/MnIr/[Pb(Mg1/3Nb2/3)O3]0.68-[PbTiO3]0.32 (011) multiferroic heterostructures, we experimentally demonstrate that it is feasible to dually control the ferromagnetic resonance frequency by changing an oblique deposition angle and an applied electrical field. In par…
Heterostructures of NiFe/NiO/[Co/Pt] with mutually orthogonal easy axes allow for isothermal tuning of the magnetic coercivity at room temperature with no associated shift in the hysteresis loop along the applied field axis. This is in contrast to what is typically seen in exchange biased heterostructures. The NiFe co…
In many high energy experiments, the physics quantities are obtained by measuring the cross-sections at a few energy points over an energy region. This was referred to as scan experiment. The optimal design of the scan experiment (how many energy points, what the energies are, and what is the luminosity at each energy…
Systemic administration of anticancer drugs is associated with a number of side effects. Therefore, it needs some targeted drug delivery system to deliver the drug which would ensure relief from side effects along with the direct delivery of drug to the site of action in a controlled manner. Keeping in view the import…
A low-stress, polishable, silicon (Si) cladding process for lightweight mirrors is presented. The cladding process is based on the thermal evaporation of silicon in the presence of low-energy argon ions. The process utilizes an ion bombardment technique whereby the coating stress of a silicon film is manipulated perio…
Mechanoluminescence (ML) is the emission of light from materials due to mechanical stimulation.Commercially available zinc sulfide phosphors exhibit intense ML during elastic deformations and are a natural fit for applications requiring repeatability and reliability.The motivation for this work is to utilize the inten…
We developed a novel process for synthesizing Si solar cells with improved efficiencies. The process involved the formation of pyramid-like structures on the Si substrate and the deposition and subsequent thermal annealing of an antireflection coating. The process consisted of three main stages. First, pyramid-like st…
Flavonoids have recently attracted significant interest as potential reducing agents, hydrogen-donating antioxidants, and singlet oxygen-quenchers. Quercetin, in particular, induces the expression of a gene, known to be associated with cell protection, in dose- and time-dependent manners. Therefore, quercetin may be u…
Hydroxyapatite (HA) is widely used as a bioactive ceramics as it forms a chemical bond with bone. However, the drawback to using this material is its inferior mechanical properties. In this research, surface corrosion and disintegration of nanoscaled HA in a dog were studied, and the mechanism by which phase-pure HA d…
Nanowire of nickel molybdate hydrate, being recognized as an emerging supercapacitor material, was synthesized from the intercrystal self-assembly process (commonly referred to as oriented aggregation or attachment). The detailed lattice image of a NiMoO4·0.75H2O nanowire and the intermediate nanostructure before reac…
In this study, we prepared solution-based In-Ga-ZnO thin film transistors (IGZO TFTs) having a multistacked active layer. The solution was prepared using an In:Zn = 1:1 mole ratio with variation in Ga content, and the TFTs were fabricated by stacking layers from the prepared solutions. After we measured the mobility o…
The influence of lattice strain on the refractive index and optical band gap of NaNbO 3 thin films, deposited by the liquid-delivery spin metalorganic chemical vapor deposition method, was investigated by spectroscopic ellipsometry. Epitaxial growth of coherently strained NaNbO 3 films was confirmed by high-resolution…
This paper presents an implementation and analysis of producing electricity by thermoelectric principle. The paper describes an experimental thermoelectric prototype to investigate the electric generation. Firstly, the appropriated design of the thermoelectric unit is constructed as a laboratory prototype to measure p…
For the next-generation nonvolatile memory material, the most promising candidate is resistive random access memory (RRAM) which is nonvolatile memory with high density, high speed, and low power consumption. Resistive switching (RS) behavior had been reported in various films including transition metal oxides, perovs…
Chemical vapor deposition (CVD) of two-dimensional (2D) tungsten dichalcogenide crystals requires steady flow of tungsten source in the vapor phase. This often requires high temperature and low pressure due to the high sublimation point of tungsten oxide precursors. We demonstrate atmospheric pressure CVD of WSe2 and…