Dépôt de Films Carbonés Par Des Plasmas CVD Argon/Méthane PDF Download

Author: Paola Bruno
Publisher:
ISBN:
Category :
Languages : en
Pages : 252

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Raman spectroscopy [1,2] is a standard nondestructive technique for the characterization of crystalline, nanocrystalline and amorphous carbons and it's generally used to derive the structural information of carbon materials. Raman scattering is an interacton between a photon (generally in the visible range) and the electronic cloud of the molecules or the crystal. he difference in energy between the incoming and the outgoing photons corresponds to an energy of vibrations (phonon for a crystal) of the studied materials. In other words, when a substance is passed through a monochromatic electromagnetic wave, four phenomena generally occur : the reflection, transmision, the absorption and diffusion of the radiation considered. The diffused intensity, dependent on the dispersion of incident energy in all the directions, is generally rather low, about 10̄̄̄̄̄̄ ... to 10 ... times the incident intensity. The major part of the diffused intensity is due to the elastic scattering of the photons on the molecules i.e. without change of requency and is called diffusion Rayleigh (1871) ...

Author: Paola Bruno
Publisher:
ISBN:
Category :
Languages : en
Pages : 245

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Author: Ahmed Belasri
Publisher: Springer Nature
ISBN: 9811554447
Category : Technology & Engineering
Languages : en
Pages : 659

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This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.

Author: Philippe Serp
Publisher: John Wiley & Sons
ISBN: 0470403691
Category : Science
Languages : en
Pages : 603

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This is the first comprehensive book covering all aspects of the use of carbonaceous materials in heterogeneous catalysis. It covers the preparation and characterization of carbon supports and carbon-supported catalysts; carbon surface chemistry in catalysis; the description of catalytic, photo-catalytic, or electro-catalytic reactions, including the development of new carbon materials such as carbon xerogels, aerogels, or carbon nanotubes; and new carbon-based materials in catalytic or adsorption processes. This is a premier reference for carbon, inorganic, and physical chemists, materials scientists and engineers, chemical engineers, and others.

Author: Wonbong Choi
Publisher: CRC Press
ISBN: 1439861889
Category : Science
Languages : en
Pages : 374

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Since the late 20th century, graphene-a one-atom-thick planar sheet of sp2-bonded carbon atoms densely packed in a honeycomb crystal lattice-has garnered appreciable attention as a potential next-generation electronic material due to its exceptional properties. These properties include high current density, ballistic transport, chemical inertness,

Author: P. Misaelides
Publisher: Springer Science & Business Media
ISBN: 9780792333241
Category : Science
Languages : en
Pages : 702

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Book Description
The development of advanced materials with preselected properties is one of the main goals of materials research. Of especial interest are electronics, high-temperature and superhard materials for various applications, as well as alloys with improved wear, corrosion and mechanical resistance properties. The technical challenge connected with the production of these materials is not only associated with the development of new specialised preparation techniques but also with quality control. The energetic charged particle, electron and photon beams offer the possibility of modifying the properties of the near-surface regions of materials without seriously affecting their bulk, and provide unique analytical tools for testing their quality. Application of Particle and Laser Beams in Materials Technology provides an overview of this rapidly expanding field. Fundamental aspects concerning the interactions and collisions on atomic, nuclear and solid state scale are presented in a didactic way, along with the application of a variety of techniques for the solution of problems ranging from the development of electronics materials to corrosion research and from archaeometry to environmental protection. The book is divided into six thematic units: Fundamentals, Surface Analysis Techniques, Laser Beams in Materials Technology, Accelerator-Based Techniques in Materials Technology, Materials Modification and Synchrotron Radiation.

Author: International Atomic Energy Agency
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 632

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Soil-plant animal relations regarding minerals; Trace elements in animal nutrition; Trace elements in animal nutrition; Calcium; Phosphorus and magnesium metabolism; Protein (nitrogen) metabolism - ruminants; Protein (nitrogen) metabolism - non-ruminants; Nuclear techniques in the control of parasitic infections; Animal endocrinology with special emphasis on radioimmunoassays.

Author: Hugh O. Pierson
Publisher: William Andrew
ISBN: 081551770X
Category : Technology & Engineering
Languages : en
Pages : 363

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Book Description
Refractory carbides and nitrides are useful materials with numerous industrial applications and a promising future, in addition to being materials of great interest to the scientific community. Although most of their applications are recent, the refractory carbides and nitrides have been known for over one hundred years. The industrial importance of the refractory carbides and nitrides is growing rapidly, not only in the traditional and well-established applications based on the strength and refractory nature of these materials such as cutting tools and abrasives, but also in new and promising fields such as electronics and optoelectronics.

Author: Mark A. Prelas
Publisher: Springer Science & Business Media
ISBN: 9401155925
Category : Technology & Engineering
Languages : en
Pages : 378

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Diamond-based composites, with their advantages of hardness, high Young's modulus and the like, have demonstrated new and unusual features, such as stability to high temperatures and pressure shocks and a large internal surface that can be controlled to offer customised electrical, magnetic and optical properties, leading to efficient filters, absorbents, sensors and other tools for environmental control and monitoring. The current book covers the synthesis of materials, their characterization and properties, trends in high pressure and high temperature technologies, low pressure technologies, basic principles of DBC material science, and future developments in electronics, optics, industrial tools and components, biotechnology, and medicine. Wide band-gap materials are considered, ranging from molecular clusters, nanophase materials, growth, processing and synthesis. The processing of composite based materials can be classified into six basic methods: in situ growth, high pressure/high temperature catalytic conversion; mix and sinter (c-BN plus metal-ceramic polymer mix); direct sintering; direct polymorphic conversion; shock detonation; and SHS sintering.

Author: Igor Bezverkhyy
Publisher: Trans Tech Publications Ltd
ISBN: 3038137030
Category : Technology & Engineering
Languages : en
Pages : 600

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Book Description
The International Conference on Diffusion in Materials (DIMAT) is the benchmark conference series for diffusion in solids. DIMAT 2011 was organized by the University of Bourgogne in association with CNRS, Dijon (France). The conference showcased new results concerning theoretical tools as well as applied research approaches. Diffusion processes affect all types of materials: nanomaterials, materials for energy, metallurgy, glasses and ceramics, but each requires its own numerical tools. Volume is indexed by Thomson Reuters CPCI-S (WoS). This volume comprises most of the contributions presented at DIMAT 2011: 4 plenary lectures delivered by famous high-level scientists plus 88 contributions in the form of keynote lectures, talks and posters.