Materials Literature
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Several emerging spintronic devices have recently been proposed, performing computation by (a) generating spin currents based on input magnet states to switch an output magnet state using Spin-Transfer Torque (STT) [1,2], (b) using multiple nanopillars to drive a domain wall (DW) that switches an output nanopillar usi…
As a first attempt, a series of composite materials of general formula (Bi4Ti3O12)X – (CaCu3Ti4O12)1–X (BTOX – CCTO1–X) (X = 0–1.0) is synthesized by a sol‐gel combustion method. The phase changes, including their formation and evolution during the gradual substitution of BTO into CCTO are analyzed from the X‐ray diff…
Flexible electronic devices are necessary for applications involving unconventional interfaces, such as soft and curved biological systems, in which traditional silicon-based electronics confront a mechanical mismatch. Silk offers exquisite mechanical, optical, and electrical properties that are advantageous toward th…
G. Meng, N. Wu, and co-workers develop a hierarchically ordered array of silver nanorod bundles for surface-enhanced Raman scattering (SERS) detection. As described on page 4871, in each bundle, small gaps are formed between adjacent silver nanorods upon solution evaporation. At these sites, "hot spots" are generated…
This paper presents the results of the first experimental thermochemical investigation of two natural trioctahedral chlorites (clinochlores). The study was performed with the help of a high-temperature heat-flux Tian-Calvet microcalorimeter. The samples were characterized by X ray spectroscopy analysis, X ray powder d…
Borhan Mansouri, Raouf Rahmani, Nammam Ali Azadi, Seyed Ali Johari Student Research Committee, Kurdistan University of Medical Sciences, Sanandaj, Iran Environmental Health Research Center, Kurdistan University of Medical Sciences, Sanandaj, Iran Biostatistics Department, Iran University of Medical Sciences, Tehran, I…
We propose a physical model of formation of broken dislocation boundaries (partial disclinations of deformation origin) at the joints of large-angle grain boundaries. The model explains why and how rotational-type defects are necessarily formed in polycrystals in which plastic deformation at the microscopic level occu…
In this study, silver nanoparticles (Ag NPs) were successfully synthesized by plant-mediated green route. The leaf extracts of locally sourced Canna indica and Senna occidentalis acted as the reducing agents/capping agents instead of toxic chemicals leading to unprecedented bioreduction which promoted nucleation and p…
Nano and micro-structured ZnO coatings onto various substrates were grown by chemical methods and optimized with respect to their photocatalytic activity against in-doors common air pollutants. Excellent quality coatings with high stability and photocatalytic efficiency were obtained with the scope to be integrated in…
Using the parabolic model of the electronic spectrum of the substrate and the low-energy approximation of the dispersion law for two-dimensional hexagonal compounds A N B 8‒N , the density of states of an epitaxial layer has been investigated as a function of the band gap of the substrate, the band gap of the graphene…
Pressure pipes are widely used in modern industry with some in potentially dangerous situations of explosion and impact. The security problems of these pipes when subjected to impact have attracted a lot of attention. A non-linear numerical model has therefore been developed to investigate the dynamic behavior of pres…
An efficient multipaction suppression method in microwave components for space application* , Cui, Wan-Zhao, Li, Yun, Yang, Jing, Hu, Tian-Cun, Wang, Xin-Bo, Wang, Rui, Zhang, Na, Zhang, Hong-Tai, He, Yong-Ning
Abstract The effects of increasing nickel contamination of soil on the update of selected microelements byBrassica junceaL. in the presence of raw halloysite (RH) and halloysite modified by thermal treatment (calcination) at 650°C (MH) were investigated experimentally. Such treatment causes partial dehydroxylation and…
Abstract In this paper, ionic gelation method was adopted to produce nanocapsules (CNs) encapsulated tuberose fragrance with chitosan (CS) and sodium tripolyphosphate (TPP) as wall materials. The effects of CS/TPP mass ratio, pH value of CS solution, molecular mass of CS and tuberose fragrance (TF) concentration on pa…
A parallel algorithm for large-scale three-dimensional phase-field simulations of phase coarsening is developed and implemented on high-performance architectures. From the large-scale simulations, a new kinetics in phase coarsening in the region of ultrahigh volume fraction is found. The parallel implementation is cap…
The gas phase hydration of glyoxal (HCOCHO) in the presence of sulfuric acid (H2SO4) were studied by the high-level quantum chemical calculations with M06-2X and CCSD(T) theoretical methods and the conventional transition state theory (CTST). The mechanism and rate constant of the five different reaction paths are con…
Zirconia (ZrO 2 ) as a ceramic biomaterial facilitates the osteoconductivity in new bone formation around implant. In order to improve the degradation and the surface properties, it is necessary to apply a surface film to satisfy multiple clinical requirements such as mechanical strength, biocompatibility, and degrada…
In order to detect the ultra-high-frequency (UHF) signals generated from partial discharges (PDs) in high voltage switchgear, a microstrip antenna sensor is designed. Influences of geometric parameters on the capability of the proposed antenna sensor are researched by numerical simulation. Measured characteristic resu…
Simulation of processes in an electromagnetic converter with energy loss in the massive magnetic core is necessary for improvement of converter dynamical models with respect to the energy loss caused by eddy currents and hysteresis. An electromagnet with fixed core position is used as a test model. The energy loss mat…
The information given here is provided by the IMA Commission on New Minerals, Nomenclature and Classification for comparative purposes and as a service to mineralogists