Materials Literature
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Abstract : Quasi-two-dimensional electron gas (Q-2D-EG) forms at the interface between two perovskite band insulators; LaAlO3 (LAO) and SrTiO3 (STO). Electrical properties of the interface strongly depend on the film thickness. The insulating interface becomes conductive when the film thickness exceeds a critical thic…
افیولیتهای نایین و عشین در شمال شرقی استان اصفهان و در غرب خرده قاره شرق - ایران مرکزی قرار گرفتهاند. گدازههای بالشی از مهمترین واحدهای تشکیلدهنده آنها با سن کرتاسه هستند. درجه ذوببخشی کمتر پریدوتیتهای گوشته در افیولیت عشین و مذاب حاصل از ذوب کلینوپیروکسن آنها موجب بازیکتر و غنیتر شدن گدازههای بالشی عشین و د…
Este trabalho compreendeu os estudos de sntese qumica de ps por via mida, de processamento cermico e de reduo do xido de nquel contido nos compsitos de cria dopada com samria e gadolnia, aplicados
We have measured the transport spin polarization in the itinerant ferromagnet CuFeSb by spin-resolved Andreev reflection spectroscopy. From the analysis of the Andreev reflection spectra within a modified Blonder-Tinkham-Klapwijk (BTK) formalism that includes Fermi-level spin polarization and the spectral broadening d…
La mejora de la eficiencia de las centrales térmicas mediante el aumento \nde la temperatura y la presión de trabajo permite reducir el consumo de \ncombustibles fósiles y las emisiones de CO2, pero requiere el desarrollo de \nnuevos materiales capaces de soportar estas condiciones más extremas. \nEn el presente traba…
Particle boards were prepared from saw dust wastes obtained from Gmelina aborea using polyethylene as binder. The boards were produced under three different compositional variables, namely: particles sizes (1 µm, 1.5 µm and 2 µm), densities (450kg/m3, 550 kg/m3 and 650 kg/m3) and mixing ratios ofsaw dust to polyethyle…
Electron injection from the tip of a scanning tunneling microscope into a p-type GaAs(110) surface have been used to induce luminescence in the bulk. Atomically-resolved photon maps revealed significant reduction of luminescence intensity at surface states localized near Ga atoms. Quantitative analysis based on the fi…
We have experimentally investigated the expansion mechanism induced by laser irradiation of H2SO4 intercalated graphite. Intercalated graphite materials irradiated by laser allows to study reactions occurring in confined chemical conditions. We find that the laser-assisted reaction process is characterized by a thresh…
Au-Ni nanowires very weakly activate the classical and the alternative complement pathways compared to the CMC-and RNA-MWNTs . . . . . . . . .5.3.2Cell lines expressing complement receptors (U937 and Raji cells) show enhanced uptake of CNTs in the presence of serum . . . . . . . . . . . . . . . . . . . .5.3.3Complemen…
Soft, disordered, micro-structured materials are ubiquitous in nature and industry, and are different from ordinary fluids or solids, with unusual, interesting static and flow properties. The transition from fluid to solid -at the so-called jamming density- features a multitude of complex mechanisms, but there is no u…
All material exposed to interplanetary space conditions are subject to degradation processes. For obvious reasons there is a great interest to study these processes for materials that are used in satellite construction. However, also the influence of particle and electromagnetic radiation on the weathering of extrater…
Hidroksiapatit disintesis dari batu kapur dan diammonium hidrogen fosfat \ndengan proses sol gel pada perbandingan Ca/P 1,67. Sol hidroksiapatit \ndicampurkan dengan serbuk TiO2 dengan rasio 1, 4, 10, 20, dan 30% (w/w) \nuntuk menghasilkan HA/TiO2. HA/TiO2 yang terbentuk dikalsinasi pada suhu \n600oC selama 2 jam kemu…
ADVERTISEMENT RETURN TO ISSUEEditorialNEXTPreface: Forum on New Materials and Approaches for Electrochemical StorageYiying Wu and Brent C. MelotCite this: ACS Appl. Mater. Interfaces 2014, 6, 14, 10831Publication Date (Web):July 23, 2014Publication History Published online23 July 2014Published inissue 23 July 2014http…
Microstructural analysis of a Mg-Zn alloy deformed at room temperature by high-pressure torsion (HPT) indicates that fine-scale precipitation occurs even without post-deformation heat treatment. Small-angle X-ray scattering detects precipitates with radii between 2.5-20 nm after one rotation, with little increase in p…
Wastewater recycle and reuse is limited in many cases by high concentrations of dissolved solids. The majority of dissolved solids can be removed by precipitation. However, chloride is among ionic species that is difficult to remove due to its high solubility. Chloride can be removed from water and wastewater by preci…
Ferroelectric field effect transistor (FeFET) memories based on a new type of ferroelectric material (silicon doped hafnium oxide) were studied within the scope of the present work. Utilisation of silicon doped hafnium oxide (Si:HfO2) thin films instead of conventional perovskite ferroelectrics as a functional layer i…
The Schottky electron emitter is a predominant electron-emitting source in today's electron beam equipment. This book comprehensively covers the Schottky emitter, dealing with its theoretical as well as practical aspects. The main questions that are addressed in this book are: what is the Schottky electron emitter? Ho…
Deterministic control of domain walls orthogonal to the direction of current flow is demonstrated by exploiting spin orbit torque in a perpendicularly polarized Ta/CoFeB/MgO multilayer in presence of an in-plane magnetic field. Notably, such orthogonal motion with respect to current flow is not possible from tradition…
The characteristic transition of the NV- centre at 637 nm is between ${}^3\mathrm{A}_2$ and ${}^3\mathrm{E}$ triplet states. There are also intermediate ${}^1\mathrm{A}_1$ and ${}^1\mathrm{E}$ singlet states, and the infrared transition at 1042 nm between these singlets is studied here using uniaxial stress. The stres…
Recent developments in nanoparticle and microparticle delivery systems are revolutionizing delivery systems in the food industry. These developments have the potential to solve many of the technical challenges involved in creating encapsulation, protection, and delivery of active ingredients, such as colors, flavors,…