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Etude De Rugosite De Surface Par Microscopie A Sonde Locale
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Book Synopsis Etude de rugosité de surface par microscopie à sonde locale by : Olivier Vatel
Download or read book Etude de rugosité de surface par microscopie à sonde locale written by Olivier Vatel and published by . This book was released on 1993 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: LA MINIATURISATION DES CIRCUITS INTEGRES IMPOSE UNE DIMINUTION CONSTANTE DE LA TAILLE DES COMPOSANTS ET DE L'EPAISSEUR DES DIFFERENTES COUCHES. CECI EXIGE UN CONTROLE ET UNE ANALYSE FINE DE LA RUGOSITE DE SURFACE. DANS LE DOMAINE NANOMETRIQUE, LES MICROSCOPIES A EFFET TUNNEL (STM) ET A FORCE ATOMIQUE (AFM) SONT DES OUTILS TOUT A FAIT ADAPTES A CE TYPE DE CARACTERISATION DANS UN ENVIRONNEMENT DE RECHERCHE ET DE DEVELOPPEMENT. DES ETUDES STATISTIQUES ONT ETE MENEES, LA MORPHOLOGIE DE SURFACE A ETE DETERMINEE EN DEVELOPPANT DES PROGRAMMES PERMETTANT D'ACCEDER A LA DENSITE SPECTRALE DE PUISSANCE. CETTE TECHNIQUE A ETE UTILISEE POUR CARACTERISER DIFFERENTES SURFACES: 1) DEPOT DE POLYSILICIUM A 620C: DIFFERENTS TEMPS DE DEPOT ONT ETE ETUDIES DANS UNE GAMME DE TEMPS COMPRISE ENTRE 10S ET 45MN. NOUS AVONS MIS EN EVIDENCE DEUX REGIMES DIFFERENTS CORRESPONDANTS A LA CROISSANCE DE GRAINS ISOLES ET LA CROISSANCE PAR COALESCENCE. POUR LE SECOND MODE CROISSANCE, LE CARACTERE AUTO-SIMILAIRE DE LA SURFACE NOUS A PERMIS DE DEDUIRE UNE LOI D'ECHELLE DYNAMIQUE. 2) ATTAQUE PAR PLASMA DE SF6 DE SILICIUM (100): NOUS AVONS ETUDIE LES MODIFICATIONS STRUCTURELLES DE LA SURFACE D'UN SUBSTRAT DE SILICIUM EXPOSE A UN PLASMA SF6. NOUS AVONS ANALYSE L'INFLUENCE DES DIFFERENTS PARAMETRES DE L'ATTAQUE PLASMA (PRESSION, PUISSANCE, FLUX, ENERGIE DES IONS OU ENCORE, TEMPS DE GRAVURE)
Book Synopsis ETUDES DE LA RUGOSITE DE SURFACE PAR SPECTROSCOPIE ESCA ET MICROSCOPIE STM/AFM by : PHILIPPE.. GOLLION
Download or read book ETUDES DE LA RUGOSITE DE SURFACE PAR SPECTROSCOPIE ESCA ET MICROSCOPIE STM/AFM written by PHILIPPE.. GOLLION and published by . This book was released on 1993 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'INFLUENCE DE LA RUGOSITE DE SURFACE SUR LES RESULTATS DES ANALYSES ESCA (ELECTRON SPECTROSCOPY FOR CHEMICAL ANALYSIS) A ETE ETUDIEE AU TRAVERS DE MODELES STRUCTURAUX A BASE DE CRENEAUX ET DE BILLES. LA MICROSCOPIE STM/AFM (SCANNING TUNNELING MICROSCOPY/ATOMIC FORCE MICROSCOPY) PAR SON PRINCIPE MEME PERMET UNE MESURE QUASI-DIRECTE DE LA RUGOSITE DE SURFACE, QUANTIFIABLE DANS UNE APPROCHE CLASSIQUE PAR LE PARAMETRE R#A, LA SURFACE DEVELOPPEE, LA DISTRIBUTION STATISTIQUE DES HAUTEURS OU DANS UNE APPROCHE NON-EUCLIDIENNE PAR LA DIMENSION FRACTALE. LES RESULTATS OBTENUS DANS UN MODELE DE CRENEAUX (EN TERMES DE TAUX DE RECOUVREMENT ET D'EPAISSEUR) SUR UN FAIBLE DEPOT D'OR SUR GRAPHITE HOPG EN ESCA ET EN AFM DANS UNE APPROCHE CLASSIQUE SONT SENSIBLEMENT DIFFERENTS. LA RAISON EN EST LE RAPPORT ENTRE LES AIRES ANALYSEES PAR LES DEUX TECHNIQUES RESPECTIVEMENT. LE SUIVI IN-SITU PAR ESCA DE L'EVOLUTION DE DEPOTS AU/HOPG, REALISES RESPECTIVEMENT PAR EVAPORATION THERMIQUE ET PAR PULVERISATION IONIQUE DU METAL, MET EN EVIDENCE UN RECOUVREMENT PLUS RAPIDE DU SUBSTRAT PAR PULVERISATION. SI LES PROFILS RUGOSIMETRIQUES SONT MODELISES PAR LES FONCTIONS FRACTALES AUTO-AFFINES DE WEIERSTRASS-MANDELBROT, DE BONS RESULTATS SONT OBTENUS PAR LA METHODE NUMERIQUE DES VARIATIONS POUR L'ESTIMATION DE LEUR DIMENSION FRACTALE. CEPENDANT, SI L'ECHANTILLONNAGE EST FAIBLE, L'ETUDE DE L'EVOLUTION DU PARAMETRE R#A AVEC LA TAILLE D'ANALYSE SE REVELE ETRE UNE APPROCHE PLUS FIABLE. DES SURFACES D'ACIER FRACTURE ETUDIEES PAR AFM APPARAISSENT AINSI PRESENTER UN CARACTERE FRACTAL AVEC UNE DIMENSION DES PROFILS DE 1.120.06
Book Synopsis RUGOSITE DE SURFACE ET D'INTERFACE by : BERTRAND.. HIRRIEN
Download or read book RUGOSITE DE SURFACE ET D'INTERFACE written by BERTRAND.. HIRRIEN and published by . This book was released on 1997 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: FACE A LA DIMINUTION CONTINUE DES DIMENSIONS DES COMPOSANTS, LA RUGOSITE AUX INTERFACES DES SYSTEMES MICRO-ELECTRONIQUES ET OPTRONIQUES DEVIENT UN FACTEUR LIMITANT. IL CONVIENT DONC DE SAVOIR CARACTERISER LA RUGOSITE LE PLUS COMPLETEMENT POSSIBLE, AFIN D'EN QUANTIFIER ET COMPRENDRE LES EFFETS. CE TRAVAIL DE THESE MONTRE L'INTERET, DANS LE CAS D'UNE TOPOGRAPHIE RUGUEUSE, DE SEPARER LES CARACTERISTIQUES DE REPARTITION HORIZONTALE DE MATIERE, DE SES CARACTERISTIQUES VERTICALES. L'ETUDE MATHEMATIQUE ET LA PROGRAMMATION D'UNE METHODE BASEE SUR LE FORMALISME DES DENSITES SPECTRALES DE PUISSANCE (DSP), ONT PERMIS LA CARACTERISATION ET LA COMPARAISON QUANTITATIVE - AVEC RECOUPEMENT DES DIFFERENTES GAMMES SPECTRALES - DES MESURES DE RUGOSITES PROVENANT DE DEUX TYPES D'APPAREILS : INTERFEROMETRE HETERODYNE ET MICROSCOPE A FORCE ATOMIQUE (AFM). CETTE TECHNIQUE A ETE ILLUSTREE EXPERIMENTALEMENT SUR DES COUCHES MINCES D'ALUMINIUM OU ENCORE DE NITRURE DE TITANE. NOUS METTONS EN EVIDENCE UNE FORME DE SPECTRE QUI SEMBLE ASSEZ TYPIQUE DU PROCEDE DE DEPOT, AVEC, POUR L'EVAPORATION D'ALUMINIUM, UN CREUX DANS LA DSP AUTOUR DE 5*10-4 NM-1 SUIVIE D'UN LARGE MAXIMUM AUTOUR DE 5*10-3 NM-1. PAR AILLEURS, NOUS ETENDONS LE CONCEPT DE DSP DE TOPOGRAPHIE A CELUI DE DENSITE SPECTRALE DE PUISSANCE DE RUGOSITE ELECTRIQUE. D'AUTRE PART, LA MODELISATION ET LA SIMULATION DES EFFETS D'UN GRADIENT VERTICAL DE COMPOSITION DANS UN SUBSTRAT, ONT ETE APPLIQUEES A SA DETECTION PAR REFLECTIVITE SPECULAIRE DE RAYONS X RASANTS NOTAMMENT SUR VERRE B16. ENFIN, L'ETUDE DE FILMS DE TIO2 DEPOSES PAR PULVERISATION PAR FAISCEAU D'IONS (IBS), A MONTRE QUE LEUR SURFACE TRES FAIBLEMENT RUGUEUSE PERMET UN ETALONNAGE VERTICAL ABSOLU POUR MICROSCOPE DE FORCE ATOMIQUE, UTILISANT LA MESURE DE HAUTEUR DE MARCHES PAR REFLECTIVITE DE RAYONS X-RASANTS.
Book Synopsis ETUDE DE RUGOSITE DE SURFACE PAR ANALYSE MICRODENSITOMETRIQUE DE MICROGRAPHIES DE REPLIQUES OMBREES by : Françoise Varnier
Download or read book ETUDE DE RUGOSITE DE SURFACE PAR ANALYSE MICRODENSITOMETRIQUE DE MICROGRAPHIES DE REPLIQUES OMBREES written by Françoise Varnier and published by . This book was released on 1983 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: ETUDE DE LA RUGOSITE DE SURFACES METALLIQUES PAR DENSITOMETRIE DES REPLIQUES DE MICROSCOPIE ELECTRONIQUE. RECONSTITUTION DU RELIEF SUR DES REVETEMENTS RUGUEUX D'ARGENT, D'OR ET DE CUIVRE ET SUR DU MAGNESIUM
Book Synopsis Scanning Probe Microscopy Characterization of Charge Transfer on Biomaterial Surfaces by : Mustafa Kerem Unal
Download or read book Scanning Probe Microscopy Characterization of Charge Transfer on Biomaterial Surfaces written by Mustafa Kerem Unal and published by . This book was released on 2003 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'étude des propriétés de surface des biomatériaux à l'échelle nanométrique est cruciale à la compréhension de leur biocompatibilité. Le travail présenté dans cette thèse concerne la caractérisation des propriétés de transfert de charges à la surface des biomatériaux et notamment du Titane par des méthodes de microscopie à balayage à sonde locale (SMP). Dans ce but, l'oxydation de films de Titane avec une rugosité à l'échelle atomique a été effectuée au moyen de la pointe d'un microscope à force atomique (AFM). Il a été montré que les charges d'espace ont un effet primordial dan la cinétique d'oxydation du Titane. Ensuite, le travail de sortie électronique de biomatériaux recouverts de films de carbone a été mesuré à l'aide d'un microscope à force électrostatique (EFM). Finalement, nous avons analysé des films Langmuir-Blodgett modélisant la structure de la peau ainsi que des molécules d'acide Galacturonique composant des membranes cellulaires à l'aide d'un AFM.
Book Synopsis Etude des surfaces par sonde et microscope électronique by : Jean-François Gautheron
Download or read book Etude des surfaces par sonde et microscope électronique written by Jean-François Gautheron and published by . This book was released on with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Etude des surfaces par sonde et microscope électronique by : Jean-François Gautheron
Download or read book Etude des surfaces par sonde et microscope électronique written by Jean-François Gautheron and published by . This book was released on 1968 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Etude des surfaces par sonde et microscopie électronique by : Jean-François Gautheron
Download or read book Etude des surfaces par sonde et microscopie électronique written by Jean-François Gautheron and published by . This book was released on 1968 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evolution of Thin Film Morphology by : Matthew Pelliccione
Download or read book Evolution of Thin Film Morphology written by Matthew Pelliccione and published by Springer Science & Business Media. This book was released on 2008-01-29 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: The focus of this book is on modeling and simulations used in research on the morphological evolution during film growth. The authors emphasize the detailed mathematical formulation of the problem. The book will enable readers themselves to set up a computational program to investigate specific topics of interest in thin film deposition. It will benefit those working in any discipline that requires an understanding of thin film growth processes.
Book Synopsis Etude du comportement optique des dépots granulaires et rugueux de Li, In et Mg en liaison avec la caractérisation de leurs surfaces par microscopie électronique by : Monique Rasigni
Download or read book Etude du comportement optique des dépots granulaires et rugueux de Li, In et Mg en liaison avec la caractérisation de leurs surfaces par microscopie électronique written by Monique Rasigni and published by . This book was released on 1977 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ETAT DE SURFACE DES LIMES ULTRASONORES by : ERIC.. BONNEL
Download or read book ETAT DE SURFACE DES LIMES ULTRASONORES written by ERIC.. BONNEL and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Journal de physique written by and published by . This book was released on 2006 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Adhesion between polymers and concrete / Adhésion entre polymères et béton by : H. R. Sasse
Download or read book Adhesion between polymers and concrete / Adhésion entre polymères et béton written by H. R. Sasse and published by Springer. This book was released on 2013-11-27 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Preface Adhesion is a phenomenon architects and civil engineers are not very familiar with. In other disciplines knowledge about surface properties and the background of bonding energies is also far from satisfactory; nevertheless there are many important· applications in concrete engineering, where adhesion is necessary for success and durability. These include: - coating and painting - repair of concrete surfaces - bonding of fresh to old concrete - crack injection - glueing of precast elements - glueing of steel to concrete, etc. In 1981 RILEM established the technical committee 52-RAC 'Resin Adherence to Concrete'. The main aims of the committee's work were - to collect research results and practical experiences - to initiate and coordinate research programs - to develop, on a scientific base, test methods for field and for laboratory purposes. One of the results of the committee's work is a state-of-the-art report, which will be presented orally as a General Report at the International Symposium ISAP '86, and will be printed either in the RILEM journal Materials and Structures or separately. Several test recommendations have been elaborated and will be prepared as drafts for the participants ofISAP '86. These are: - direct tensile test - pull-off test - direct shear test - slant shear test - four-point bending test - dynamic loading test - thermal compatibility test (two versions) - injectibility test.
Book Synopsis Multifunctional Oxide Heterostructures by : Evgeny Y. Tsymbal
Download or read book Multifunctional Oxide Heterostructures written by Evgeny Y. Tsymbal and published by OUP Oxford. This book was released on 2012-08-30 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is devoted to the rapidly developing field of oxide thin-films and heterostructures. Oxide materials combined with atomic-scale precision in a heterostructure exhibit an abundance of macroscopic physical properties involving the strong coupling between the electronic, spin, and structural degrees of freedom, and the interplay between magnetism, ferroelectricity, and conductivity. Recent advances in thin-film deposition and characterization techniques made possible the experimental realization of such oxide heterostructures, promising novel functionalities and device concepts. The book consists of chapters on some of the key innovations in the field over recent years, including strongly correlated oxide heterostructures, magnetoelectric coupling and multiferroic materials, thermoelectric phenomena, and two-dimensional electron gases at oxide interfaces. The book covers the core principles, describes experimental approaches to fabricate and characterize oxide heterostructures, demonstrates new functional properties of these materials, and provides an overview of novel applications.
Download or read book Terra 2008 written by Leslie Rainer and published by Getty Publications. This book was released on 2011-06-14 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earthen architecture constitutes one of the most diverse forms of cultural heritage and one of the most challenging to preserve. It dates from all periods and is found on all continents but is particularly prevalent in Africa, where it has been a building tradition for centuries. Sites range from ancestral cities in Mali to the palaces of Abomey in Benin, from monuments and mosques in Iran and Buddhist temples on the Silk Road to Spanish missions in California. This volume's sixty-four papers address such themes as earthen architecture in Mali, the conservation of living sites, local knowledge systems and intangible aspects, seismic and other natural forces, the conservation and management of archaeological sites, research advances, and training.
Book Synopsis Thermodynamics, Diffusion and the Kirkendall Effect in Solids by : Aloke Paul
Download or read book Thermodynamics, Diffusion and the Kirkendall Effect in Solids written by Aloke Paul and published by Springer. This book was released on 2014-07-16 with total page 543 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book basic and some more advanced thermodynamics and phase as well as stability diagrams relevant for diffusion studies are introduced. Following, Fick’s laws of diffusion, atomic mechanisms, interdiffusion, intrinsic diffusion, tracer diffusion and the Kirkendall effect are discussed. Short circuit diffusion is explained in detail with an emphasis on grain boundary diffusion. Recent advances in the area of interdiffusion will be introduced. Interdiffusion in multi-component systems is also explained. Many practical examples will be given, such that researches working in this area can learn the practical evaluation of various diffusion parameters from experimental results. Large number of illustrations and experimental results are used to explain the subject. This book will be appealing for students, academicians, engineers and researchers in academic institutions, industry research and development laboratories.
Book Synopsis Model Cellulosic Surfaces by : Maren Roman
Download or read book Model Cellulosic Surfaces written by Maren Roman and published by OUP USA. This book was released on 2010-04-08 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview of the different methods of model cellulosic surface preparation and presents recent studies on the properties of these surfaces. The topics covered are considered relatively new and would serve as the launch pad for further research in this area.
