Materials Literature
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plasmonic 结构的实现通常要求昂贵的制造技术，例如电子横梁和集中的离子横梁平版印刷术，允许低维的结构的自顶向下的制造。以一种自底向上的方式做 plasmonic 结构的另一条途径是胶体的合成，它对液体状态应用或聚集问题是重要挑战的很薄的稳固的电影方便。用这些方法准备的体系结构典型地不为容易的处理和方便集成是足够柔韧的。因此，开发没有不利地影响 plasmonic，有大规模尺寸的柔韧的站台展示的新 plasmonic 在高需求。作为一个答案，这里我们在场合成结构由金 nanoparticles (Au NP ) 组成在大规模上合并了到蔗糖 macrocrystals 的新 plasmonic，当保存 Au NP 的 plas…
The effect of subcritical annealing temperature on microstructure and mechanical properties of SCM435 steel was investigated through changing the heating and soaking temperature as 660 °C, 680 °C, 700 °C, 720 °C and 745 °C. The microstructure and mechanical properties of intercritically annealed specimens were analyze…
The mechanical properties of a material are closely related to its internal micro-structure. Enhancing shock plasticity by designing appropriate micro-structure will help to slow down or delay shock failure of brittle material. In this paper, we put forward a method of designing and improving shock plasticity of britt…
Barium promoter is widely used in the secondary ammonia synthesis catalysis, which could greatly improve the performance of a catalyst. Although barium oxide is confirmed as the main component of barium promoter, the existence of metallic barium has been argued. In order to theoretically clarify this issue, the first…
It is of great significance to research on methods for obtaining the initial magnetization curve, the important magnetic property of ferromagnetic materials. In the existing methods, a time-varying magnetic field is adopted as the excitation field. To obtain the initial magnetization curve, magnetic field and induced…
Using the linear response method based on the density functional perturbation theory, we simulate the effect of intense laser irradiation on the zinc-blende structural stability of silicon carbide crystal. By calculating the phonon dispersion curves for the 3C-SiC crystal of the zinc-blende structure at different elec…
Due to their unusual electrical conductivity, carbon nanotubes as the ideal candidates for making future electronic components have extensive application potentiality. In order to meet the requirements in space electronic components for carbon nanotubes, effect of 170 keV proton irradiation on structure and electrical…
Residual stress conditions in GaN-based LEDs will have a significant influence on device performance and reliability. In this paper, GaN-based vertical LEDs under different stress conditions are fabricated by bonding with three types of submounts (Al2O3 submount, CuW submount and Si submount), changing the soak temper…
In this paper, we study the thermomagnetic power generation performances of compound series Mn1.2Fe0.8P1-xSix in a strong magnetic field of permanent magnet. The compounds are synthesized by using the high-energy ball milling and solid state reaction method. The crystalline structures, magnetic properties, and the the…
The paper presents the results of modeling and measuring verification of the nonlinear inductor model. A nonlinear \ninductor physical model based on a simplified theory was proposed and used in the computations. In the assumption it has to be easy \nto adapt in a far more complex static and dynamic circuit simulation…
Hybrid polymer-based solar cells (HPSCs) that use conjugate polymers as electron donor (D) and inorganic semiconductor nanocrystals as electron acceptor (A) are novel photovoltaic devices. HPSCs integrate the properties of organic polymer (flexibility, ease of film formation, high absorption coefficient) and inorganic…
International audience
ВПЛИВ ГIДРОСТАТИЧНОГО ТИСКУ p h I НАПРУГИ ЗСУВУ σ 5 НА ФАЗОВI ПЕРЕХОДИ ТА ТЕРМОДИНАМIЧНI ХАРАКТЕРИСТИКИ СЕҐНЕТОЕЛЕКТРИКА RbHSO 4 I. Р. Зачек 1 , Р. Р. Левицький 2 , А. С
The phase and crystal structure of the Na₂Y₂B₂O₇:Tm³⁺–Yb³⁺ inorganic phosphor prepared by solution combustion method have been identified by powder X-ray diffraction technique. Surface morphology and particle size have been examined using field emission scanning electron microscopy and high resolution transmission ele…
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The stiffness or resistance to bending of individual hair fibres is likely to be one of the basic factors determining the firmness of a tress made up of an assemblage of all same fibres. Our interest was in exploring whether a useful relationship exists between physical measures of individual hairs and the bending sti…
In this paper we review the discrete symmetries of the Dirac equation using elementary tools, but in a comparative order: the usual 3 + 1 dimensional case and the 2+1 dimensional case. Motivated by new applications of the 2d Dirac equation in condensed matter (e.g. graphene), we further analyze the discrete symmetries…
Nanostructured Ti with enhanced static and fatigue strengths is a promising material for medical implants. The use of a combined Severe Plastic Deformation (SPD) processing, including the new Equal Channel Angular Pressing (ECAP)-Conform technique, leads to significant strengthening of Grade 4 titanium rods, due to ma…
Ionoprinting has been used to create 3D polygons and origami shapes from flat homogeneous hydrogels; morphing trianglar based pyramid, a cube, an octahedron and an umbrella have all been created.
We present a systematic analysis on the basis of ab initio calculations and many-body perturbation theory for clarifying the dominant fluctuation in complex charge-spin-orbital coupled systems. For a tight-binding multiband model obtained from the maximally-localized Wannier function analysis of the band structure by…