Materials Literature
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We describe a novel crystal growth instability that enhances the development of thin edges, promoting the formation of plate-like or hollow columnar morphologies. This instability arises when diffusion-limited growth is coupled with structure-depdendent attachment kinetics, specifically when the nucleation barrier on…
The experimental research on the nature of diffusion by the Mo substrate atoms into the Ti and Cr deposited thin films is completed by the secondary ion-ion emission method. In [1], the initial stage of the Ti thin film on the Mo substrate deposition process, using the Ti evaporation technique in the vacuum, is resear…
Aromatic hydrocarbon fuels, such as toluene, are important components in real jet fuels. In this work, reactive molecular dynamics (MD) simulations employing the ReaxFF reactive force field have been performed to study the high-temperature oxidation mechanisms of toluene at different temperatures and densities with eq…
We report hot filament thermal CVD (HFTCVD) as a new hybrid of hot filament and thermal CVD and demonstrate its feasibility by producing high quality large area strictly monolayer graphene films on Cu substrates. Gradient in gas composition and flow rate that arises due to smart placement of the substrate inside the T…
Mesoporous silica nanoparticles (MSNPs) are receiving growing attention by the scientific community for their groundbreaking potential in nanomedicine. It is possible to load huge amounts of cargo into the mesopore voids and capping the pore entrances with different nanogates. Different internal or external stimuli ca…
Enzyme responsive materials (ERMs) are a class of stimuli responsive materials with broad application potential in biological settings. This review highlights current and potential future design strategies for ERMs and provides an overview of the present state of the art in the area.
We study \ensuremath{\alpha}, \ensuremath{\beta}, and \ensuremath{\gamma} graphyne, a class of graphene allotropes with carbon triple bonds, using a first-principles density-functional method and tight-binding calculation. We find that graphyne has versatile Dirac cones and it is due to remarkable roles of the carbon…
Because of their unique physical, chemical, electrical, and mechanical properties, carbon nanotubes (CNTs) have attracted a great deal of research interest and have many potential applications. As large-scale production and application of CNTs increases, the general population is more likely to be exposed to CNTs eith…
The objective of this work was the preparation of nanoparticles for intratumoral administration.Important characteristic was dual functionality of these nanoparticles that they can be used for diagnosis andtherapy so the resulting nanoparticles will serve as theranostic agents. For this purpose iron oxide was chosen a…
Elaboration de nanoparticules pour application thérapeutiques : Imagerie in vivo et vectorisation de médicaments L’objectif de ce travail a été la préparation de nanoparticules pour l’administration intratumorale. Ladouble functionalisation de ces nanoparticules est rapidement approuve comme extrement intéressant, car…
Dans la présente étude, la conductivité thermique et le module d'élasticité de revêtementsd’YPSZ élaborés par projection plasma ont été prédits par modélisations numériques 2D et3D de type différences finies et éléments finis.L'influence de la résolution d'image, de la taille et de la valeur du seuil sur les propriété…
Synthèse, caractérisation et polymérisation par ouverture de cycle par métathèse de macromonomères cyclobuténiques obtenus par chimie « click » et polymérisation RAFT Ce travail de thèse porte sur la synthèse de copolymères greffés à squelette 1,4-polybutadiène (PBu) et polyoxanorbornène par combinaison de ROMP et chi…
Dans un contexte industriel en évolution permanente, les aciers austénitiques Fe-Mn-C sont développés afin d’obtenir une résistance mécanique élevée tout en conservant une ductilité considérable. Cependant, ces aciers présentent une sensibilité à différentes formes d'endommagement par l'hydrogène, notamment la corrosi…
peer reviewed
In this doctoral thesis we investigate several experiments exploring the light orbital angular momentum and the Fraunhofer diffraction of light. Our investigations goes from coherent propagation, continue through incoherent propagation, arriving at semiclassical states used to explore one fundamental problem in quantu…
Abstract : High mobility and ambient stable, processable pi-conjugated and electroactive polymers for optoelectronic and redox charge storage applications were developed. Dithienogermole (DTG) was developed as a new electron donor and isoindigo (iI) as a new electron acceptor. By alternating electron donor (D) and acc…
Cette étude concerne la physique des écoulements convectifs résultant d’une instabilité d’évaporation de fluides binaires. Ce problème a de nombreuses applications, l’enrobage par centrifugation, le dépôt de films, les caloducs, etc, pour lesquels le changement de phase et la convection jouent un rôle prépondérant dan…
La diffraction des rayons X apparait comme une modalité prometteuse pour l'inspection non invasive de bagages. Par comparaison aux techniques traditionnelles d'imagerie par transmission, cette technique permet de révéler davantage d'informations caractéristiques sur les matériaux, comme les distances inter-réticulaire…
This study deals with the analysis of possibilities of removing of undesirable sticky liquid droplets contained in process waste gas (PWG) stream before entering o tubes of a tube bank heat exchanger (gas preheater), which is a part of gaseous wastes incineration unit. PWG is being preheated by high-temperature flue g…
Numerical study on optical properties of Ag/SiO2SiO2/Ag sandwich nanocrescents substrate Ji Luo, Xuye Zhuang, Wei Xiong and Jun Yao [Journal of Modern Optics, Vol. 59, No. 15, pp. 1316–1321, DOI: 1...