Materials Literature
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根据固体与分子经验电子理论（EET）,采用键距差法（BLD）,分析并计算了C11b型金属间化合物MoSi2的价电子结构与理论键能;采用合金元素Al部分取代MoSi2晶格中的Si原子,依据固体与分子经验电子理论在代位式固溶体中的平均原子模型,分析并计算了C11b型Mo（Si0.95,Al0.05）2的价电子结构与理论键能。结果表明：Al微合金化改变了Mo原子和Si原子的杂化状态,从而使相应的价电子结构参数发生变化。与MoSi2相比,Mo（Si0.95,Al0.05）2固溶体中共价电子数在总价电子数中所占的比例（η）由65.87%降至64.28%,因而Al微合金化不利于MoSi2强度的提高;但是晶格电子数由4.7141增至4.9202…
Orientador: Prof. Dr. Fábio Souza Nunes
When exposed to acid and heat, insulin is known to self into fibril-like structures known as amyloid. These nanowires can be used as templates in materials science applications. We have developed m ...
Colloque avec actes et comité de lecture. Internationale.
Se fabricaron sondas plasmónicas basadas en microesferas de silica decoradas con nanopartículas metálicas, que confinan e intensifican el campo eléctrico en su interacción con la muestra. Se las utilizó en un microscopio óptico por intensificación de campo (FESOM), obteniendo contraste óptico de altísima resolución en…
Ce travail, est une contribution à l’étude théorique de l’efficacité du blindage électromagnétique à base de polymères conducteurs composites en champ proche. Dans ce cadre, nous réalisons une étude comparative entre les blindages obtenus à l’aide de matériaux classiques tels que l’aluminium, le zinc, le trioxyde de v…
Pure- and cyclic-torsional studies were conducted on a Fe{sub 75}Mo{sub 5}P{sub 10}C{sub 7.5}B{sub 2.5} (atomic percent, at.%) bulk-metallic glass at room temperature for an understanding of its damage and fracture mechanisms. Under pure-torsional loading, the metallic glass exhibited very little plastic strain before…
Reference EPFL-CONF-171249View record in Web of Science Record created on 2011-12-16, modified on 2017-05-10
В данной работе исследована радикальная полимеризация метилметакрилата, инициированная пероксидом бензоила, в присутствии трехъядерного пивалатного комплекса FeIII - [Fe3O(Piv)6(H2O)3]+(Piv)-•3EtOH (1, Piv- -анион пивалиновой кислоты). Показано, что введение в полимеризацию метилметакрилата комплекса 1 позволяет увели…
This report presents work that was performed to analyze the behaviour of traffic traversing Powerline adapters. Powerline adapters are networking equipment which modulate network traffic onto electrical wiring to transfer data. These adapters can provide up to 200 Mbps of bandwidth. In our tests, the adapters synchron…
The results of experimental synthesis of free carbon phases from calcite melt under high temperature and pressure with use of laser heated diamond anvil cell and «in situ» observations are discussed. Probable mechanism of experimentally observed thermal emission is proposed, the last can arise local temperature up to…
Byla připravena skla systému ZnO-P2O5-WO3 \nv kompoziční řadě (100-x)(0,5ZnO-0,5P2O5)-xWO3. U \nskel byly zjišťovány jejich základní fyzikálně-chemické \nvlastnosti (měrná hmotnost, molární objem, chemická \nodolnost) v závislosti na obsahu WO3. Termické \nvlastnosti skel byly studovány metodou DSC, \ntermodilatometri…
Nuclear magnetic resonance spectroscopy (NMR) is one of the most powerful biophysical techniques for studying biomacromolecules. The advances of NMR techniques are often facilitated by the development of computational methods for the purpose of data interpretation and analyses. In this way, more information is extract…
In article the experimental substantiation of possibility of plastic deformation of warm preparations from steel Р6М5 in not isothermal mode is given at technology realization preliminary thermo-machining for increase of firmness of tools from the specified steel. It is established that increase of firmness of steel Р…
Micro-optical systems are becoming essential components in imaging, sensing, communications, computing, and other applications. Optically based designs are replacing electronic, chemical and mechanical systems for a variety of reasons, including low power consumption, reduced maintenance, and faster operation. However…
Introduction: Laser anti-reflection coatings (LAR) are designed for the most effective anti-reflection results at a specifically defined wavelength. As such, they are ideal for applications involving lasers or other monochromatic light sources. Composite MgF2 (low refractive index) and TiO2 (high refractive index) fil…
The mathematical models of isothermal deformation of the sheet structure elements of cylindrical and rectangular profiles under the short duration creep mode are provided. The results of theoretical investigations of power modes and limiting abilities of forming are given.
Keywords: Nanophotonics, Plasmonics Reference EPFL-CONF-175416 Record created on 2012-03-06, modified on 2017-05-10
A determinação das principais propriedades magnéticas de um ímã permanente geralmente requer sistemas de medição sofisticados e custosos. Este trabalho analisa e propõe um sistema de caracterização de ímãs permanentes de Terras Raras e Cerâmicos à temperatura ambiente de baixo custo e de implementação mais simples. Pa…
Gold nanoshells are tunable plasmonic nanostructures consisting of spherical silica cores wrapped with thin layer of Au. Based on the size of the Au layer with respect to the silica core, gold nanoshells can resonantly absorb or scatter light at any wavelength on the visible or infrared. On resonance, gold nanoshells…