Materials Literature
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Abstract Polybutyrolactam (PBL), known as polyamide 4 with high performance, was synthesized using CO2 by combining organic promoters in suspension to overcome the limitations of traditional bulk polymerization and improve the thermal stability. Upon increasing the amount of paraffin oil or sodium dodecyl sulfate, whi…
Abstract The knowledge of the structural and compositional details of Si/BaSi2/Si heterostructure annealed at high temperature is a prerequisite for BaSi2 application in heterojunction thin‐film solar cells. For this purpose, Si/BaSi2/Si heterostructures deposited by magnetron sputtering with different Si layer thickn…
This paper reports the epitaxial growth of EuH 2 thin films with an ω-scan full width at half-maximum of 0.07°, the smallest value for metal hydride thin films reported so far. The thin films were deposited on yttria-stabilized ZrO 2 (111) substrates using reactive magnetron sputtering. The magnetization measurement s…
Abstract As-deposited [Co/Pt] multilayers show strong perpendicular magnetic anisotropy (PMA) and spin-orbit torque (SOT). However, such structures require properly textured Pt (111) seed layers and optimized interlayer Pt thicknesses in order to maximise both PMA and SOT efficiency. In this work, the interplay of see…
This work investigates the optical and interfacial properties of epitaxially fused direct GaInP/Si heterojunctions realized by the corrugated epitaxial lateral overgrowth (CELOG) approach. To provide a broad analysis of the above heterojunction, photoluminescence (PL), cathodoluminescence (CL), Raman, and high-resolut…
The presence of a confining boundary can modify the local structure of a liquid markedly. In addition, small samples of finite size are known to exhibit systematic deviations of thermodynamic quantities relative to their bulk values. Here, we consider the static structure factor of a liquid sample in slab geometry wit…
The production of long-chain carbon compounds (C9-C21) from biomass derivatives to alternate traditional fossil diesel is sustainable, eco-friendly, and potentially economic for modern industry. In this work, phosphotungstic acid heterogenized by 3-bromopyridine was achieved using a solvothermal method, which was demo…
Abstract Structural analysis of spin frustrated Ho 2 Ge x Ti 2− x O 7 ( x = 0, 0.1, 0.15 & 0.25) pyrochlore oxides has been performed using high resolution x-ray diffraction pattern and low temperature synchrotron x-ray diffraction pattern. The effect of positive chemical pressure on the spin dynamics of Ho 2 Ge x Ti…
Monolayer transition metal dichalcogenides (TMDCs) under the application of a magnetic exchange field carry the nontrivial optical Hall conductivity and thus exhibit the nonzero Faraday rotation (FR) angle. However, the tradeoff between the FR angle and transmission hinders their possible applications in magnetic-opti…
Sup35p is a protein from Saccharomyces cerevisiae. It can propagate using a prion-like mechanism, which means that it can recruit non-prion soluble Sup35p into insoluble fibrils.Sup35p is a large protein showing three distinct domains, N, M and an extended globular domain. We have previously studied the conformations…
Cr3C2-Ni cermet is a kind of promising material especially for wear applications due to its excellent wear resistance. However, researches were mainly concentrated on the experiment condition of room temperature, besides high-temperature wear mechanism of the cermet would be utilized much potential applications and al…
Continuous cooling transformation (CCT) diagrams of undeformed and 40% compressively deformed pearlite heat-resistant steels at 950°C were obtained by a combined method of dilatometry and metallography. The microstructure and hardness of the steel under these two experimental conditions were compared and analysed. The…
Abstract Aluminum powder compaction was studied using both test and simulation. Cold compaction, hot compaction, and vibration-assisted (cold) compaction tests were conducted to achieve different density ratios. First, the hot compaction test (at 300 °C, compression pressure 140 MPa) improved about 6% compared with co…
The effect of P/S-wave on the solidification feeding and the mechanism of vibration promoting the solidification feeding in the low-pressure casting are discussed in the paper. The casting defects were analysed by X-ray non-destructive testing and the buoyancy method. It can be found that the compactness of casting is…
A helyváltoztatás leggyorsabb és legpraktikusabb formája a repülés, amely évezredek óta foglalkoztatja az embert. Napjainkra kulcsfontosságúvá növekedett a légi forgalom, az energiaválság, a környezetvédelem együttes hatására - a repülőgépek fedélzetén használt energiaforrás. A repülésbiztonság fontossága mellett mana…
The rise and fall of the superconducting transition temperature ${T}_{c}$ upon tuning carrier density or external parameters, such as pressure or magnetic field, is ubiquitously observed in a wide range of quantum materials. In order to investigate such domes of ${T}_{c}$, we go beyond the prototypical attractive Hubb…
The current metallic biomaterial still presents failures associated with the bulk alloy and the interface of material/human body. In previous studies, titanium alloy with tantalum showed the elastic modulus decrease in comparison with that of commercially pure (cp) titanium. In this study, surface modification on Ti-3…
Industrial activity is associated with the appearance of emergency situations, which are one of the common types of fires. In accordance with the existing legislation an independent fire risk assessment has been introduced and applied. However, a great number of fires makes it relevant to find solutions for use differ…
The nonlinear coefficient γ is central to the study of cubically nonlinear optical guided-wave structures. It is well understood for lossless waveguides, but less so for lossy systems. A number of methods for calculating γ in lossy systems have been proposed, each resulting in different expressions. Here we identify t…
Tensile strength analysis of polymer composite materials (PCMs) fiberglass-reinforced is important for fiber boat manufacturing. It is one of mechanical properties can be determined by carrying out tensile testing. Tensile testing is very important for fiber boat. In this research each test was carried out on variatio…