Materials Literature
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In order to avoid using polyvinyl alcohol (PVA), an eco-friendly sizing technology with atmospheric pressure plasma treatment and green sizing recipes has been developed and evaluated with respect to sizing properties and desizing efficiency. The results show that the eco-friendly sizing technology can endow cotton ya…
Curauá fibers were used with success as a reinforcing agent in polyamide‐6, however, for several applications, an antistatic dissipation property is also desirable and the incorporation of an intrinsically conducting polymer is a suitable way to promote this. The novelty of this work is the simultaneous introduction o…
Abstract A new kind of corrosion inhibitor (LOBI) based on linseed oil has been synthesized. The molecular structure of LOBI was investigated using Fourier transform infrared spectroscopy and nuclear magnetic resonance spectrometer. Its inhibiting behavior on mild steel in 1.0 M HCl was studied by electrochemical pote…
Electron beam (e-beam)-induced changes of surface profile morphology in As c Se 1-c (0.2 < c < 0.5) thin films are investigated as a function of the film composition.It is shown that the extent and value of local surface alterations follow the composition-related changes of glass parameters such as softening temperatu…
The intrinsic thermal conductivity of monolayer graphene monoxide is determined via first-principles calculations. The phonon transport in graphene monoxide is anisotropic, with the lattice thermal conductivity along the armchair direction (…C-2O-C…) about five times higher than that along the zigzag (…C-C…) direction…
Here, we report four new homologous series of azo-functionalised achiral bent-core compounds. The paper deals with the design, synthesis and liquid crystalline properties of four new homologous series of photochromic materials. In this study, we have investigated the effect of the presence of –N=N– linkage at differen…
The high pressure behavior of aluminum nitride (AlN) and zinc oxide (ZnO) nanocrystals was studied up to 30 GPa using second harmonic generation. ZnO (10 nm) crystals transform to the high pressure B1 phase at 16.6 GPa, ≈5 GPa higher than the corresponding value for a bulk sample. The transition of AlN (20 nm) and AlN…
Polyaniline (PANI)/multiwalled carbon nanotube (MWNT) composites with a uniform tubular structure were prepared from in situ polymerization by dissolving amino‐functionalized MWNT (a‐MWNT) in aniline monomer. For this the oxidized multiwalled nanotube was functionalized with ethylenediamine, which provided ethylenedia…
Transient absorption (TA) and photoluminescence excitation (PLE) anisotropy measurements were used to investigate the polarization of band-edge and above-band-edge excitonic states in ensembles of CdSe nanocrystals with aspect ratios of 1:1, 3:1, and 10:1, dispersed in hexanes. The 1:1 nanocrystals (quantum dots) are…
Pb0.97Ln0.02(Zr0.63Sn0.26Ti0.11)O3 ceramics with large electrically induced strain were fabricated by doping the base composition with rare earth ions. The enhancement of strain was because the substitution of rare earth ions for Pb2+ could decrease the tolerance factor of the ceramics and improve the stability of ant…
A surfactant-assisted ball milling technique was employed to synthesize NdFeB nanoparticles and nanoflakes from melt-spun nanocrystalline powders. The microstructure evolution during ball milling and the particle size dependent magnetic properties were investigated. The formation mechanism of submicrometre flakes and…
We investigated the thermoelectric properties of the InSe, InSe/In4Se3 composite, and SrTiO3 (STO) nano-particles dispersed InSe/In4Se3 bulk composites. The electrical conductivity of the InSe/In4Se3 composite with self-assembled phase separation is significantly increased compared with those of InSe and In4Se3–δ impl…
The influence of dispersoids on tensile deformation behaviour has been studied by comparison of aluminium alloys containing different dispersoid densities. It was found that a fine dispersion of non-shearable particles led to an increased work hardening at the initial plastic deformation, but the effect was opposite a…
Abstract Understanding the dynamic evolution of structural changes in catalysts at the atomic level under controlled reaction conditions is one of the most challenging areas in heterogeneous catalysis. Here we present aberration‐corrected environmental TEM at the atomic level and electron diffraction of the reduction…
The surface science approach of using model catalysts in conjunction with the development of in situ spectroscopic tools, such as ambient pressure X-ray photoelectron spectroscopy (AP-XPS), offers a synergistic strategy for obtaining a substantially better understanding of deactivation phenomena. In this study, we inv…
We have theoretically investigated the magnetic response of two-dimensional (2D) arrays of superconducting and soft magnetic strips, which are regarded as models of dc magnetic metamaterials. The anisotropy of the macroscopic permeabilities depends on whether the applied magnetic field is parallel to the wide surface…
Diarylcarbenes have been shown to be suitable for the surface modification of a diverse range of polymers, including low surface energy materials, and this allows the modification of surface macroscopic effects, exemplified by changes in wetting behaviour, pH sensing, and bactericidal activity.
Fabrication of one-dimensional arrays of crystalline nanoparticles with tunable particle size and spacing (down to 20 nm) is demonstrated. The individual nanocrystals are pentagonal prisms, and the arrays are up to 11 μm in length, with some arrays containing >50 nanocrystals. Precise particle morphology and interpart…
A comparison set of mono-/biradical TEMPO derivatives was prepared, novel compounds were fully characterized, and their physicochemical properties were determined. Cyclic voltammetry revealed reversible redox behavior for all studied nitroxides. Moreover, the electron-withdrawing substituents increased the oxidation p…
The temperature and concentration dependencies of viscosity (v) of liquid alloys of binary Al–Ni and Al–Co systems, with the Al content of more than 90 at.% have been studied (from here on the alloying element concentration is given in at.%). It has been found that the viscosity polytherms of the melts containing 2.7%…