Materials Literature
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Carbon nanofibers were used for the first time as substrates for the immobilization of photocatalytically active iron phthalocyanines by combining electrospinning and ‘click’ chemistry. The hybrid nanofibers exhibited high photocatalytic activity.
Continuous crystallization plays a key role in the drive to deliver consistent crystal properties while minimizing solvent waste and undesired crystals. Plug flow crystallizers such as the continuous oscillatory baffled crystallizer (COBC) have been investigated. Kinetics studies are often carried out in batch OBCs wh…
We have used spatial atomic layer deposition (SALD) to fabricate metal oxide thin-film devices with unusually simple processes. Selective area deposition allows us to fabricate transistors and circuits additively and with digital design variations when used in combination with an inkjet-printed inhibitor. In a second…
The adsorption and photocatalytic degradation of gaseous benzene were investigated considering the operating variables and kinetic mechanism using nano-titania agglomerates in an annular fluidized bed photocatalytic reactor (AFBPR) designed. The special adsorption equilibrium constant, adsorption active sites, and app…
Aluminosilicate mineral, imogolite, with chemical composition [(OH)3Al2O3SiOH] has high monodispersity of diameter originated by the arrangements of inner hydroxyl (OH) groups that induced the strain energy minimum due to hydrogen bond networks. We have successfully synthesized substituted imogolite with methyl groups…
In this work, we have investigated size, doping and strain effect on the electrical properties of n-type and p-type MoS2 monolayer, one of the most interesting two-dimensional layered materials. We found that the bandgap of the MoS2 will reduce from 1.8 eV to 1.2 eV as the infinite lattice being shrunk into 10×10 nano…
Rod-like oligomers consisting of thiophene and phenylene rings have proven to be highly interesting building blocks for the preparation of self-assembled, well-defined nanoaggregates via vapor deposition on solid supports. Changing the molecules’ chain length and substitution pattern allows to tailor the aggregates’ o…
Millimeter-wave imaging diagnostics identify phase-locking and the satisfaction of 3-wave coupling selection criteria among multiple magnetic island chains by providing a localized, internal measurement of the 2D power spectral density, S(ω, kpol). In high-confinement tokamak discharges, these interactions impact both…
A fundamental scheme is utilized to reformulate the full-vectorial beam-propagation methods (BPMs). First, the fundamental scheme is introduced into the Fresnel equations which are discretized using the Crank-Nicolson method (FCN-BPM). The present FCN-BPM has the advantage that the total number of arithmetic operation…
Intrinsically tunable bulk acoustic wave resonators, based on sol-gel 0.70Pb(Mg1/3Nb2/3)O3-0.30PbTiO3 (PMN-PT) thin films, with high effective electromechanical coupling coefficient of 13% and tunability of the series resonance frequency up to 4.0% are fabricated and characterized. The enhanced electroacoustic propert…
Aiming at the serious crack phenomenon of automobile rim butt welding in a domestic wheel plant, means of analysis such as chemical analysis, tensile test, bending test, macrocosmic and microcosmic examination were used to find out the formation mechanism. Results showed that the chemical compositions and mechanical p…
Abstract MgSrP3N5O2 was synthesized at 6 GPa and 1000 °C starting from Mg3N2, Sr(N3)2, PON, and P3N5 utilizing the multianvil technique. By applying NH4Cl as mineralizer, single crystals were obtained. MgSrP3N5O2 exhibits a novel structure type [P21/c (no. 14), a = 6.9404(8), b = 6.6103(7), c = 13.9317(12) Å, β = 118.…
A gas-fed capillary plasma source has been developed to study plasma-surface interactions under pulsed high pressure arc conditions, without the use of an exploding fuse wire or ablative liner. A nonintrusive preionization source has been developed to break down relatively large interelectrode gaps at low charge volta…
Introducing carbonyl nickel’s fine particles into a thermo-resistant polyamide phenylone can significantly improve thermo-physical characteristics of the CM and extend the operational temperature range of products made from these materials. Introducing carbonyl nickel in the amount of 5 – 20 mass %, thermo-resistance…
For more aggressive photo-decomposition of polyimide, the photoreactions employing triplet mechanism and the double fragmentation reactions were carried out. The polyimide was synthesized with cyclobutane-1, 2, 3, 4-tetracarboxylic dianhydride (CBDA) and 4, 4′-diaminobenzophenone (DABP) by condensation reaction. The b…
We investigate the mesoscopic resistor-capacitor circuit consisting of a quantum dot coupled to spatially separated Majorana fermion modes in a chiral topological superconductor. We find substantially enhanced relaxation resistance due to the nature of Majorana fermions, which are their own antiparticles and are compo…
In this work, it is shown that the analysis by Wei et al. [Wei et al., J. Mater. Chem. A, 2014, 2, 1128–1136] is inappropriate for studying the effect of dislocation mechanics on diffusion-induced stresses. Using the theories of dislocation mechanics and plasticity, a set of equations for analyzing the effect of dislo…
Topological insulator is characterized as a new class of materials which have an insulating band gap in the bulk and gapless surface state which is protected by its intrinsic time-reversal symmetry. Here, we report high-performance topological insulator nanowire field effect transistors (FETs) with sharp turn-on, clea…
ABSTRACT Analysis of the oxygen isotope composition (δ18O) of diatom silica is a commonly used tool for palaeoclimate reconstruction that recent studies have demonstrated may be complicated by the presence of non‐diatom detrital material. Such contamination can mask any true climate‐driven signal, leading to spurious…
We have investigated the novel optical behavior of Ag metal deposited via plasma enhanced atomic layer deposition (PEALD). This material exhibits unexpected plasmonic properties and the plasmonic enhancement is dependent on the unique microstructure of the Ag film. Electromagnetic field simulations indicate that this…