Electrostatic field tensities near irregularities of porous silicon surface
Equilibrium spatial structure of the Si89(OH)43 H36 cluster model simulated for a pyramid-like formation on porous silicon surface has been calculated within the frameworks of density functional. Distribution of electronic charge and static field is got.
Подобные документы
Microporous structure of outgoing and thermally modified plant-extracted carbon material. Porous system characteristics by different methods on low temperature adsorption-desorption. Сharacteristic of most effective thermal modifications form nanopores.
статья, добавлен 24.02.2016The interaction of CO molecules with clean and oxygen-modified Mo(110) surface has been investigated by means of density functional calculations. That on both clean and oxygencovered Mo(110) surfaces CO molecules are tilted with respect to the normal.
автореферат, добавлен 02.04.2014- 3. Growth of zinc oxide porous films via electrochemical anodization using glycerol based electrolyte
Formation of the porous structure of zinc oxide. Morphological properties of anodized films. Methods of diffraction of X-rays and scanning electron microscopy. Analysis of electrochemical anodizing of zinc oxide in electrolyte based on glycerol.
статья, добавлен 30.08.2016 Using of solid carbon in industrial branches. Analyzes of the unity of composition, molecular and supermolecular structure of shungite concentrate and silicon-carbon from rice hulls which provides their effective practical use in the same engineering.
статья, добавлен 02.04.2014Research and characterization of the most common used solar cells which are based on silicon technology. Determining width of the space charge region and quantum yield of solar cells. Influence and analysis of recombination losses on efficiency.
статья, добавлен 30.07.2016Main calculation of activation volumes for interstitials and vacancie. Diffusion equations for point defects. Surface generation and recombination of point defects. Simulation of stacking fault growth. Simulation of stress-nediated dopant diffusion.
статья, добавлен 29.04.2017It has been shown that well crystallized cobalt- and iron-containing spinel ferrites are formed at neutral pH value of aqueous medium. The contact of steel surface with alkaline medium results in formation of weakly crystallized iron oxyhydroxides.
статья, добавлен 04.04.2014Obtaining via hydrolysis of tetraethylorthosilicate in presence of template agent Pluronic P123 Ag/Au bimetallic nanoparticles in porous sol-gel silica films on glass. Definite amounts of AgNO3 and HAuCl4 by dip-coating procedure by a thermal treatment.
статья, добавлен 01.04.2014Investigations concerning the processes of plugging stone structure formation, using X-ray diffraction, electronic microscopy were implemented. Influence of active mineral additives of metakaolin on the properties of plugging mortar were established.
статья, добавлен 21.12.2016An ion-pair model has been proposed explaining the origin of acidic sites at the silica surface–aqueous solution interface. Importance of role of the dissociated water is shown in the hydrolysis of the saccharose adsorbed on the surface of silica.
автореферат, добавлен 02.04.2014