Materials Literature
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There is currently no successful method for recovering data from a hard drive that has been severely damaged by biological or environmental elements. Creating a standard, repeatable, low-cost method for extracting data from a hard drive that has been severely damaged by smoke, freshwater, or saltwater would be benefic…
The coking of stainless steel 304H alloy (SS304H) has been investigated in ethane–steam mixtures in the presence/absence of a few ppm of H2S at 700°C. In this, first detailed study of the influence of H2S on carbon morphology on SS304H, we show that the addition of H2S greatly altered the carbon morphology, in the lon…
In this study, a novel method using Focus Ion Beam (FIB) technique was applied to scale down Si1-xGex wires (x=0.27-0.57) to 20 nm width. Originally, the wires were processed by using I-line lithography and dry etching of SiGe on oxide (SGOI) substrates. The SGOI wafers were processed through condensation method where…
Abstract The synthesis and properties of four new ruthenium dyes for TiO2‐based dye‐sensitized solar cells are presented. Bipyridine ligands with triarylamine or indoline moieties as donors, which differ both in the size of their conjugated π systems and in their hydrophobicity, have been introduced into thiocyanate (…
Abstract 1,2-Dilauroyl-sn-glycero-3-phosphocholine (DLPC) is one of the major lipids constituting cellular membranes. When DLPC itself is dispersed in aqueous solutions, multilamellar vesicles are formed, although the cellular membranes are made of single bilayers. We found that the addition of a calix[4]arene derivat…
Abstract The influence of processing parameters on injection-molded bottle caps consisting of 20 wt% of cellulose fibers and an ethylene-acrylic acid copolymer was studied. The study included three cylinder barrel temperatures and three mold temperatures. For each combination of temperatures, the holding pressure time…
We have investigated the effect of the uniaxial strain on the binding energy of valence band top, Si 1s and Ge 2p core level by Hard X-ray Photoemission Spectroscopy (HXPES) with the high spatial resolution. By combining HXPES with the high spatial resolution using K-B mirrors and uniaxially strained SiGe samples fabr…
Abstract Two coordination polymers were hydrothermally synthesized by reaction of 3‐(carboxymethoxy)benzene‐1,2‐dioic acid (H3L) with divalent zinc or cobalt salts in the presence of ancillary nitrogen ligand. Complex 1 features a three‐dimensional metal‐organic framework with (3,4,4)‐connected topology. Complex 2 exh…
Two macrocyclic bis(ureas) 1 and 2, both based on diphenylurea, have been synthesized. Compound 1 represents the smaller ring with two ethynylene groups as linkers and 2 the larger ring with two butadiynylene groups. On thermal treatment to 130 °C molecule 1 splits up into two dihydroindoloquinolinone (3) molecules. B…
In the title monomeric manganese(II) complex, [Mn(CH3COO)2(C10H8N2)(H2O)2], the metal ion is coordinated by a bidentate 2,2'-bi-pyridine (bpy) ligand, two water mol-ecules and two axial acetate anions, resulting in a highly distorted octa-hedral environment. The aqua ligands are stabilized by the formation of strong i…
This work involves the synthesis and characterization of a transition metal based one-dimensional coordination polymer, [Cd2(2-pc)4]n, (2-pc = pyridine-2-carboxylate), which is the first example of a Cd-pyridin-2-carboxylate solid state structure with no other ligands. 2-pc ligand was not originally included in the re…
The synthesis of graphene on dealloyed NiCu is reported. The existence, thickness, and quality of the graphene films are discussed based on their Raman spectra. The growth of graphene on dealloyed NiCu is affected by the amount of copper in the alloy: a transition from graphitic to graphenic layers is observed with in…
Effects of the polarization field distribution in the quantum well layer of InGaN light-emitting diodes (LEDs) on their photoelectric properties are numerically studied. Specifically, the polarization and built-in electricfield distributions, energy band diagrams, carrier concentrations, radiative recombination rate,…
In this work, (Fe, Cr) 7 C 3 -Fe/Hadfield steel composites were fabricated through in situ synthesis with infiltration casting and subsequent heat treatment. The microstructure, microhardness, impact toughness, and wear resistance of (Fe, Cr) 7 C 3 -Fe/Hadfield steel composites were studied through scanning electron m…
Self-aligned Si-quantum dots (QDs) with an areal density as high as ~1011 cm-2 were formed on ~1.0 nm thick SiO2/n-Si(100). For spatially-resolved characterization of electron emission from the aligned dots in a diode structure through Au top electrodes, current images were taken using atomic force microscopy in a non…
An electrochemical symmetric capacitor with a modest energy and power densities has been fabricated using a commercially prepared carbon nanotubes as electrode and hybrid solid polymer electrolyte. This integrated separator and electrolyte layer is made up of a filter paper, a polyvinyl alcohol (PVA) doped with phosph…
As a result of previous laboratory tests suggesting an effect of magnetic fields on the deposition of calcium carbonate, tunnel operators in Seoul, South Korea, assigned three tunnel sites, Namsan #3 tunnel and subway tunnel segments near stations 750 and 542, to evaluate the effectiveness of magnetic fields in inhibi…
This paper presents the results of an analysis on defect states changes following the irradiation of oxygen in CuInSe2 single crystals by using photoacoustic spectroscopy. CuInSe2 samples, n‐type conducting, of high quality grown by using the vertical Bridgman technique have been implanted at ambient temperature with…
A green-light-emitting diode device was fabricated based on a p-type Sb-doped ZnO segments/Cd-alloyed ZnO/n-type ZnO film/heteronanowires array structure. The structures and chemical components of the heteronanowire sample were studied by energy dispersive spectrometer, x-ray photoelectron spectrometer, etc, from whic…
We have investigated the electrical and microstructural properties of Cu-germanides formed on p-type Ge substrate as a function of rapid thermal annealing (RTA) temperature. As increasing RTA temperatures, Cu films reacted with Ge and formed Cu-germanides. The Cu3Ge phase appears to be the dominant phase along with Cu…