Materials Literature
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Effect of stress on lattice defect concentration and thermoelectric properties of Bi–Te based thin films is investigated. Both Bi–Sb–Te and Bi–Se–Te films were individually sputtered on a stretched polyimide (PI) substrate and annealed at elevated temperature. With the PI strain varying from 0% to 10%, the carrier con…
Depleting timber resources has generated interest in bamboo, a traditional sustainable building material of the tropics. However, dearth of strength data has been a major hindrance in its engineered application. The present paper reports experimentally verified compressive and cleavage strengths of an Indian bamboo sp…
Local distortions on pipeline wall in the form of dents or buckles may constitute a threat for the structural integrity of the steel pipeline. In the present paper, experimental research supported by numerical simulation is reported to investigate the structural integrity of smoothly dented steel pipes. A series of si…
In this study, a new polyethylene glycol (PEG)-assisted hydrothermal method was proposed to prepare nano/micro structured porous Li4Ti5O12 for high rate lithium-ion batteries. The fabrication process involves a modified hydrothermal synthesis using PEG as a structure directing agent and a subsequent calcination proced…
The effect of dithiodimorpholine (DTDM) and tetraethyl thiuram disulfide (TETD) on the properties of styrene‐butadiene‐styrene triblock copolymer (SBS) modified asphalts were investigated via rheological measurements. In the presence of DTDM and TETD, the rheological properties were pronouncedly elevated, especially w…
State-of-the-art linepipe steels are microalloyed low-carbon steels that combine high strength and fracture toughness with good weldability. During welding of pipe sections the heat affected zone (HAZ) experiences rapid thermal cycles resulting in a graded microstructure that can be significantly different from that o…
Pipeline is the common mode for transporting oil, gas, and various petroleum products. Buried linepipe can be exposed to various external interferences and corrosive environment and as a result, damage in the form of dent or corrosion or crack or gouge or combination of any of these damages can form in the pipe wall.…
Abstract Photoinitiated polymerization in aerosols is employed for the preparation of spherical polymer particles via cationic polymerization. The UV irradiation of aerosol monomer droplets starts the cationic curing process without the employment of any solvent or additives such as stabilizers, resulting in highly pu…
We have examined the adsorption of the weakly bound species N2, O2, CO, and Kr on the (√37×√37)R25.3° water monolayer on Pt(111) using a combination of molecular beam dosing, infrared reflection absorption spectroscopy, and temperature programmed desorption. In contrast to multilayer crystalline ice, the adsorbate-fre…
$^{59}\mathrm{Co}$ NMR experiments have been performed on single crystals of the layered cobaltate ${\mathrm{Na}}_{x}{\mathrm{CoO}}_{2}$ with $x=0.77$, which is an antiferromagnet with N\'eel temperature ${T}_{N}=22$ K. In this metallic phase, six Co sites are resolved in the NMR spectra, with distinct quadrupole freq…
Zinc oxide (ZnO) films are widely used as front transparent conductive oxide films in thin-film silicon solar cells. Double-textured B-doped zinc oxide (W-textured ZnO:B) substrates, which are formed by reactive ion etching (RIE) and metal-organic chemical vapor deposition, have a high haze ratio over a wide wavelengt…
Seven novel divalent transition metal chelate polymer complexes commonly known as coordination polymers or chelate polymers or coordination complexes such as [Mn (pbpmpc) (H2O)2]n (1), {[Co(pbpmpc)...
Using metal plasmonic waveguides as transmission lines for optical signals and an electrical bias is shown to be feasible in Si-based devices with a separation gap formed between the waveguide and Au/Si Schottky-barrier diode (SBD). Optical signal transmission is confirmed by calculating the radiation pattern from the…
We report a more accurate method to determine the density of trap states in a polymer field-effect transistor. In the approach, we describe in this letter, we take into consideration the sub-threshold behavior in the calculation of the density of trap states. This is very important since the sub-threshold regime of op…
Abstract. Developed in the 1960s for use in high-performance ring-core fluxgate sensors, 6–81.3 Mo permalloy remains the state of the art for permalloy-cored fluxgate magnetometers. The magnetic properties of 6–81.3, namely magnetocrystalline and magnetoelastic anisotropies and saturation induction, are all optimum in…
This work presents an extended X-ray absorption fine structure (EXAFS) characterization of ternary Fe–Pt–Cu alloys with different Cu content. The EXAFS measurements have been carried out at the CuKα and PtLIIIedges in order to describe the local environment around these elements in the Fe–Pt–Cu samples and to compare…
Research in color science includes studies on the spectral properties of light and the perception of color by the human eye and the brain. Color spaces allow the description of the position of a color by using three basic attributes, namely lightness, chroma and hue. Photochromic pigments used as a component of ultrav…
3,6-Bis(N,N-dianisylamino)-fluoren-9-ylidene malononitrile (FMBDAA36) was used as an electron donor material in solution-processed organic photovoltaic devices with configuration ITO/PEDOT:PSS/(1:3[w/w] FMBDAA36:PC71BM)/LiF/Al to give power conversion efficiencies up to 4.1% with open circuit voltage VOC = 0.89 V, sho…
Abstract We demonstrate that the electrochemical signatures of graphene screen‐printed electrodes towards hydrazine are not due to the reported benefits of graphene per se but rather it is the metallic impurities which can.
PURPOSE: Volume selection in (1) H MR spectroscopic imaging (MRSI) of the prostate is commonly performed with low-bandwidth refocusing pulses. However, their large chemical shift displacement error (CSDE) causes lipid signal contamination in the spectral range of interest. Application of high-bandwidth adiabatic pulse…