Materials Literature
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The new ! -Fe(Te,Se) superconductors share the common iron building block and ferminology with the LaFeAsO and BaFe2As2 families of superconductors. In contrast with the predicted commensurate spindensity-wave order at the nesting wave vector ( , 0), a completely different magnetic order with a composition tunable pro…
The thermal and moisture sensations are widely recognised as the most important factors contributing to the discomfort of subjects during exercise. The aim of this work is to find a new method of assembling different kinds of fabrics in clothing to achieve maximum thermal-wet comfort during exercise. The thermal-wet c…
Tetragonal alkali metal tungsten bronze and hexagonal alkali metaltungstate nanorods have been synthesized by sub-ambient reduction by alkalide solutions and subsequent oxidation. Tetragonal potassium tungsten bronze, K0.4WO3, nanorods result after post-reduction annealing at 250 °C for 3 h followed by 600 °C for 4 h…
We describe herein a novel, selective and sensitive biosensing system based on the dissolution and aggregation of single-walled carbon nanotubes directed by the aptamer-protein interaction for the clinical assays of proteins.
A method has been developed to determine cathodic reaction rates and the corrosion kinetics at individual substrate grains on the micrometer scale using scanning electrochemical microscopy measurements. By fitting experimental probe approach curves to numerically simulated curves, "standard" rate constants for the cat…
Abstract At high temperatures above 200 K, significant increase in thermal conductivity ( κ ) was observed for the Al-based icosahedral quasicrystals and their corresponding approximants. By comparing the measured κ of the Al—Re—Si 1/1-cubic approximants with their electronic density of states at the Fermi level ( ε F…
The shape evolution from uniform triangular boron nitride nanoplates of rhombohedral phase (r-BN) to hexagonal r-BN nanoplates was achieved through a simple calcination process in flowing N2 at 1000 °C for 8 h. The average thickness of the triangular and hexagonal r-BN nanoplates is similar (∼50 nm), while their avera…
Two oligo(phenylenevinylene)s with cyanobiphenyl terminates were synthesized as non-covalent modifiers of single walled carbon nanotubes (SWNTs). The wrapping of SWNTs with synthesized oligomers enhanced the dispersibility in CHCl3 by the dissociation of SWNT bundle structures. It was found that the addition of oligom…
The surface oxygen exchange kinetics occurring on dense ( thick) and ( thick) thin films were investigated by electrochemical impedance spectroscopy (EIS). Rutherford backscattering spectroscopy revealed that the bulk film compositions were consistent with the nominal stoichiometry, with having a slight Fe deficiency.…
A polycarbonate (PC) microchannel network supporting gold nanowires was developed to be a SERS-active microchip. Observations of large increases in a Raman cross-section, allowed us to collect vibrational signatures which are not easily detectable by Raman techniques due to the high fluorescence level of bare PC. Comp…
Hybrid titanium dioxide (TiO2) nanostructures with engineered morphologies were produced by a simple synthetic approach based on cooperative sol-gel chemistry and self-assembly of amphiphilic poly(styrene-block-ethylene oxide) (PS-b-PEO) block copolymer (BCP) viaspin-coating common solutions of BCP and inorganic precu…
Collagen was isolated from the skin of soft-shelled turtle (Pelodiscus sinensis) by acid solubilization with pepsin. The yield of soft-shelled turtle collagen (STC) was 12.1% on a dry weight basis. The electrophoresis assay showed that STC consisted of a alpha(1)alpha(2) heterodimer similar to porcine collagen (PC). A…
First Order Reversal Curves (FORC) are polarization-field dependences described between saturation field Esat and a variable reversal field E,?(-Esat, Esat). The FORC diagrams were proposed to describe some characteristics of the switching process in ferroelectrics. The approach is related to the Preisach model which…
The derivative of the voltabsommetric scans, together with previous nano-electrogravimetric and X-ray diffraction results, allow different electrochemical processes to be distinguished during the Prussian blue (PB) voltammetric scan. Potassium, proton, and hydrated proton counterions involved in PB electrochemistry ar…
This paper specifically examines control of the residual stress in thin films by design of the stacking structure. For this study, we prepared highly a-, c- oriented PZT(30/70) (: PZT30) thin films using chemical solution deposition (CSD). A PZT30 thin film was deposited on LaNiO3 (LNO)/Pt/Ti/SiO2/Si and LNO/SiO2/Si w…
Sintering of (1 mol%Ni2+-1 mol%Er3+) or (1 mol%Mn2+-1 mol%Er3+) -doped Y2O3 polycrystal was investigated by conventional sintering at the sintering temperature in a range from 1200 to 1600°C. The sintering temperature required for full-densification decreased from 1600 to 1300°C by the doping. The average grain size i…
The value of a supramolecular assembly to enforce a closer interaction between a chiral auxiliary and a reaction center has been established using photoreactions of tropolone and cyclohexadienone derivatives. Two probe molecules utilized to establish the concept undergo 4 e- electrocyclization and oxa-di-pi-methane re…
In this study, n-ZnO/p-CuO heterojunction have been fabricated by sol-gel dip-coating technique which is simple and inexpensive. The structure of the p-CuO/n-ZnO was analyzed by X-ray diffraction spectroscopy and UV-VIS spectroscopy. The electrical junction properties were characterised by temperature dependent curren…
Herein is reported the synthesis of three new borinates (2a–2c) derived from bidentate imine ligands (1a–1c), which were prepared from the corresponding cinnamaldehyde derivatives. All compounds were characterized by MS, IR and NMR spectroscopy. The nonlinear optical (NLO) characterization of these molecules having pu…
Since the publication of the paper of [ V. Lehmann , F. Hofmann , F. Moeller , and U. Gruening , Thin Solid Films , 255 , 20 (1995) ], a great deal of effort has been produced to understand the basic mechanisms ruling the electron transport in Si mesostructures and how these phenomena are affected by the external envi…