Materials Literature
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Thermoelectric behavior involving coupled electron and phonon transport properties of monolayer blue phosphorene is studied using the Boltzmann transport equation and first-principles calculations based on the density functional perturbation theory and Wannier interpolation. We find that the maximum figure of merit, Z…
Monolayer (ML) tungsten ditelluride (WTe 2 ) is a well-known quantum spin Hall (QSH) insulator with topologically protected gapless edge states, thus promising dissipationless electronic devices. However, experimental findings exhibit the fast oxidation of ML WTe 2 in ambient conditions. To reveal the changes of topol…
Graphene-semiconducting single-wall carbon nanotubes' (graphene-s-SWCNTs) thin-film photodetector based on a double-layer stacked heterostructure was fabricated. The carbon-based heterostructure exhibits excellent long-range van der Waals interactions. The as-fabricated device was demonstrated with an ultra-broadband…
Density functional theory calculations of magnetically induced current densities have revealed high diatropic ring currents in unsubstituted isocorrole consistent with homoaromatic character. An examination of the Kohn-Sham molecular orbitals showed clear evidence of homoconjugative interactions in four occupied π-typ…
Marrying a randomly distributed network of wood fibers with sodium carboxymethyl cellulose (CMC-Na) by impregnation is a scalable method to prepare highly transparent and hazy (TH) paper with superior mechanical properties. However, the poor water resistance of this TH paper is a hindrance for its practical applicatio…
The solubility of para -methoxyphenylacetic acid in different solvents is of critical significance for the design and optimization of its purification process via crystallization. The present study illustrates new solid–liquid phase equilibrium data of para -methoxy phenyl acetic acid in water, acetonitrile, propan-2-…
Naval ships are constructed with mild steel. Corrosion is a major concern in a marine environment. This particular type of material degradation has recently received more attention by the marine industry. Effort is make my researchers to combat this problem. In this work, co-deposition of Zn-ZnO-Ant hill powder compos…
In this paper, we have performed the filling of single‐walled carbon nanotubes (SWCNTs) with mean diameters of 1.4 and 1.9 nm synthesized by the arc‐discharge and chemical vapor deposition (CVD) methods, respectively, with silver chloride. The doping effect of the encapsulated compound on SWCNTs is studied by Raman sp…
For the sake of gaining a clear idea of the adsorption mechanism involved with an oil emulsion-membrane system, Daqing crude oil emulsion and two types of polyvinylidene fluoride (PVDF) ultrafiltration membranes made in our laboratory were used as the objects to pursue the adsorption characteristics in this system. Se…
A method for the simultaneous determination of the thermal conductivity λ and the shear viscosity η of fluids by non-equilibrium molecular dynamics simulations is presented and tested using the Lennard-Jones truncated and shifted fluid as example. The fluid is studied under the simultaneous influence of a temperature…
Abstract We investigated native oxides on GaN(0001) using high-resolution scanning transmission electron microscopy (STEM) and ultraviolet photoemission spectroscopy (UPS). As a result, it was confirmed that the native oxides on both n-type and p-type GaN(0001) with a thickness of ∼1 nm were not amorphous but crystall…
Metal-to-insulator transition (MIT) in vanadium dioxide (VO2) was investigated by electrical and thermal transport measurements. We report an order-of-magnitude enhancement of thermal conductivity across the MIT region in the VO2 single crystal. The magnetic field dependent measurement reveals that the thermal conduct…
One‐dimensional (1D) atomically thin crystals have attracted considerable interests due to their unique properties and potential applications. For example, reducing graphene physical size down to nanoscale to nanoribbons opens up band gaps, which makes graphene useful in electronic devices. Here, a facile approach to…
In the present work, MCNPX and Geant4 have been used to calculate the mass attenuation coefficient of 26.66 B 2 O 3 –16GeO 2 –4Bi 2 O 3 –(53.33–x) PbO–xPbF 2 (x = 0, 15, 30, 40 mol %) glasses at 0.122, 0.356, 0.511, 0.662, 0.84, 1.17, 1.275 and 1.33 MeV photon energies. The obtained results have been compared with the…
This manuscript deals with graphene oxide (GO) and GO–metal oxide composite for heavy metal adsorption. Metal oxide–GO composites e.g. Fe3O4–GO and Mn3O4–GO have been prepared and explored for heavy metals e.g. lead, chromium, nickel, cadmium etc. adsorption from the water. Metal oxide–GO composites have been prepared…
In situ vascular tissue engineering aims to regenerate vessels "at the target site" using synthetic scaffolds that are capable of inducing endogenous regeneration. Critical to the success of this approach is a fine balance between functional neo-tissue formation and scaffold degradation. Circulating immune cells are i…
Abstract A series of ESIPT (excited state intramolecular proton transfer) active systems ( HQz1 – HQz6 ) derived from quinazoline have been reported. The ESIPT emission for these derivatives gets completely quenched in solvents with diverse polarities which have been restored via aggregation‐induced emission (AIE) wit…
Successful assembly of suspended nanoscale rod-like particles depends on fundamental phenomena controlling rotational and translational diffusion. Despite the significant developments in fluidic fabrication of nanostructured materials, the ability to quantify the dynamics in processing systems remains challenging. Her…
Abstract Heterojunctions are at the heart of many modern semiconductor devices with tremendous societal impact: Light‐emitting diodes shape the future of energy‐efficient lighting, solar cells are promising for renewable energy, and photoelectrochemistry seeks to optimize efficiency of the water‐splitting reaction. De…
ADVERTISEMENT RETURN TO ISSUEPREVCommunicationNEXTObservation of High Seebeck Coefficient and Low Thermal Conductivity in [SrO]-Intercalated CuSbSe2 CompoundKejun BuKejun BuState Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shang…