Materials Literature
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The role of Ca in the grain refinement of Mg–Ca binary alloys was studied. The alloys were prepared with pure Mg and pure Ca. The results showed that with the increase of the content of Ca, there is a sharp decrease of the grain size of Mg with Ca content in the range of 0–0·5% and then there is a slight decrease of g…
Valuable emissive properties of organic fluorophores have become indispensable analytical tools in biophotonics, but frequently suffer from low solubilities and radiationless deactivation in aqueous media, that is, in biological ambience as well. In this report, nanoscaled dye-clay hybrids based on laponite, Na0.7 {(L…
A method of predicting the residual breakdown electrical field strength of an epoxy-mica paper insulation system is described. This method was developed by using data on service-aged stator bars from generators as well as accelerated aging model bars. Thermal aging, mechanical aging, and combined thermal and mechanica…
This paper involved a phosphate conversion coating on magnesium alloy AZ91D. The formation of the phosphate conversion coating was studied with potential-time curve and electrochemical impedance spectroscopy (EIS), and the morphology and composition of the phosphate conversion coating were analyzed with scanning elect…
In this work, PA6/PA66/GNP thermal composites were prepared via a melt blending method. Mechanical properties, morphology and thermal properties of PA6/PA66/GNP composites were investigated. The thermal conductivity of composite containing 50 wt-% of graphene nanoplatelets was measured as 5·03 W m–1 K–1 at 30°C. When…
A tetragonally distorted FeCo structure is obtained in Fe/Co multilayers epitaxially grown on Au50Cu50 buffer using MgO single crystal substrates as a result of the lattice mismatch between the buffer and the FeCo ferromagnetic layer. The presence of large magnetic anisotropy energy (MAE) of the order of 1 MJ/m3 has b…
Typical morphology substrates can improve the efficiency of surface-enhanced Raman scattering; the need for SERS substrates of controlled morphology requires an extensive study. In this paper, one-dimensional ZnS:Al nanostructures with the width of approximately 300 nm and the length of tens um, and micro-scale struct…
Abstract We report an effective strategy for preparing robust precursors for the rational synthesis of helicity‐pure single‐walled carbon nanotubes (SWCNTs) by a surface‐assisted strategy. The approach presented allows simple access to large‐diameter SWCNT precursors. The efficiency of the strategy is demonstrated by…
The IR spectrum of a sample from a polymineral natural association of phyllosilicate minerals (clays from the Millerovskoe deposit, Russian Federation) has been analyzed. Calculations are performed by the method of density functional theory with allowance for the real crystallographic features of the compounds enterin…
Abstract Our study explores the use of porous carbon as anode catalyst support to improve borohydride utilization in a direct borohydride fuel cell. Pt catalysts supported by carbon aerogel (CA) and macroporous carbon (MPC) are synthesized by template method. The pores in porous carbon materials catch hydrogen bubbles…
A new class of homologous gelators, LG12 -(CH2 )n -BSA, composed of bipyridinyl groups, L-glutamic moieties having double dodecyl chains, and linked alkyl spacers with different lengths were synthesized. It was found that these gelators could immobilize medium-polarity solvents readily and the behaviors of these gels…
A three-dimensional cellular automata (CA) with rectilinear layout is used in this work to create and cleave polycrystalline microstructures. Each crystal is defined by a unique randomly generated orientation tensor. Separate states for grains, grain boundaries, crack flanks and crack fronts are created. Algorithms fo…
Nanodiscs are monodisperse, self-assembled discoidal particles that consist of a lipid bilayer encircled by membrane scaffold proteins (MSP). Nanodiscs have been used to solubilize membrane proteins for structural and functional studies and deliver therapeutic phospholipids. Herein, we report on tetramethylrhodamine (…
This paper aims at demonstrating the biocompatibility of recently developed 3D hydrogel scaffolds containing the same amount of collagen (COLL) and variable concentrations of sericin (SS) in order to find the most suitable formula for adipose tissue engineering (ATE) applications. These scaffolds were obtained by COLL…
Abstract This book offers an up-to-date overview of the growing trends in the field of solid state physics known as plasmonics. Initially, plasmonics was concerned with the study of resonant interactions of light with various metal structures. In recent years, however, the emphasis has shifted towards investigation of…
An ability to detect and quantify protein molecules, harbingers of specific pathologies, potentially underpins both early disease diagnosis and an assessment of treatment efficacy. However, the specific detection of a particular protein biomarker in a complex environment is by no means an easy task and requires a prog…
The objective of this work was to examine fuel cells as a possible alternative to the diesel fuel engines currently used in railway locomotives, thereby decreasing air emissions from the railway transportation sector. We have investigated the performance of a phosphoric acid fuel cell (PAFC) reactor, with n-hexadecane…
We study magnetism in simple models for rare earth quasicrystals by means of a two-step theoretical approach. First, we compute RKKY interactions from a tight-binding Hamiltonian defined on a two-dimensional quasiperiodic tiling. Second, we examine the statistical mechanics of Ising spins coupled via these interaction…
Abstract We describe a novel activatable probe for fluorine-19 NMR based on self-assembling amphiphilic dendrons. The dendron probe has been designed to be spectroscopically silent due to the formation of large aggregates. Upon exposure to the specific target enzyme, the aggregates disassemble to give rise to a sharp…
Monolayer transition metal dichalcogenides, a new class of atomically thin semiconductors, possess optically coupled 2D valley excitons. The nature of exciton relaxation in these systems is currently poorly understood. Here, we investigate exciton relaxation in monolayer MoSe_{2} using polarization-resolved coherent n…