Chemisorption
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Chemisorption
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Author : B. M. W. Trapnell
language : en
Publisher:
Release Date : 1964
Chemisorption written by B. M. W. Trapnell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Adsorption categories.
Chemisorption
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Author : Gerd Wedler
language : en
Publisher: Butterworth-Heinemann
Release Date : 1976
Chemisorption written by Gerd Wedler and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Science categories.
Chemisorption Of Gases On Metals
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Author : Frederick Clifford Tompkins
language : en
Publisher:
Release Date : 1978
Chemisorption Of Gases On Metals written by Frederick Clifford Tompkins and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Science categories.
Chemisorption And Magnetization
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Author : P. W. Selwood
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Chemisorption And Magnetization written by P. W. Selwood and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
Chemisorption and Magnetization focuses on particle size determination and on the number of adsorbent atoms affected when any molecule is adsorbed on a surface. This book examines the adsorption of a molecule on the surface of a ferromagnetic solid that produces a change in the magnetization of the solid. Organized into 12 chapters, this book starts with an overview of the experimental methods used for studying chemisorption and magnetization, which are applicable in granulometry. This text then discusses the measurement of saturation magnetization in a ferromagnetic substance in the form of small particles. Other chapters consider the conditions in a typical nickel–silica hydrogenation catalyst. This text examines as well the magnetization at moderate fields and near room temperature. The final chapter deals with the properties and complexities of palladium, platinum, and nickel. Students and researchers interested in heterogeneous catalysis and related areas will find this book extremely useful.
Chemisorption And Reactivity On Supported Clusters And Thin Films
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Author : R.M. Lambert
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-17
Chemisorption And Reactivity On Supported Clusters And Thin Films written by R.M. Lambert and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-17 with Science categories.
Heterogeneous catalysis provides the backbone of the world's chemical and oil industries. The innate complexity of practical catalytic systems suggests that useful progress should be achievable by investigating key aspects of catalysis by experimental studies on idealised model systems. Thin films and supported clusters are two promising types of model system that can be used for this purpose, since they mimic important aspects of the properties of practical dispersed catalysts. Similarly, appropriate theoretical studies of chemisorption and surface reaction clusters or extended slab systems can provide valuable information on the factors that underlie bonding and catalytic activity. This volume describes such experimental and theoretical approaches to the surface chemistry and catalytic behaviour of metals, metal oxides and metal/metal oxide systems. An introduction to the principles and main themes of heterogeneous catalysis is followed by detailed accounts of the application of modern experimental and theoretical techniques to fundamental problems. The application of advanced experimental methods is complemented by a full description of theoretical procedures, including Hartree-Fock, density functional and similar techniques. The relative merits of the various approaches are considered and directions for future progress are indicated.
Theory Of Chemisorption
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Author : J. R. Smith
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-08
Theory Of Chemisorption written by J. R. Smith and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-08 with Technology & Engineering categories.
The theory of the chemical interaction of molecules with surfaces has advanced handsomely in the last few years. This is due in part to the application of the entire arsenal of bulk solid-state theory and molecular quantum chemistry methods. This considerable activity was stimulated by an outpouring of experimental data, particularly of photoemission spectra. In many cases the theoretical techniques are now such that accurate, atomistic pictures of chemisorption phenomena are computed from first principles. This level of capability has been reached only recently, and has not been described anywhere in a comprehensive manner. The purpose of this monograph is to review these recent advances and, at the same time, to indicate a number of important questions which have not been answered. We discuss chemisorption on oxides, semiconductors, and both simple and transition metals. Solid surfaces as well as clusters are considered. While the review should be valuable to workers in the field, care has been taken to make the chapters understandable to the nonspecialist.
Chemisorption And Reactions On Metallic Films V2
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Author : J Anderson
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Chemisorption And Reactions On Metallic Films V2 written by J Anderson and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Technology & Engineering categories.
Chemisorption and Reactions on Metallic Films, Volume 2 is a four-chapter text that describes the role of evaporated metal films in advancing the understanding of the metal-gas interface chemistry and in understanding of adsorption and catalysis at metal surfaces. This volume first describes film structure and properties, particularly of random polycrystalline films, as well as the concepts of the adsorption and kinetic phenomena. The topic is followed by an overview of the main classes of catalytic reactions that have been studied over evaporated metal film catalysts. A chapter explores the preparation, characterization, structure, and surface properties of alloy films. The theory of the oxidation of metals and the advantages and disadvantages of using thin metal films in oxidation work are considered in the concluding chapter, along with a brief discussion on their use in kinetic and mechanistic studies. Research scientists and graduate students who are interested in the fundamentals of adsorption and catalysis will find this volume invaluable.
An Introduction To Chemisorption And Catalysis By Metals
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Author : Robert Paul Holland Gasser
language : en
Publisher: Oxford University Press, USA
Release Date : 1987
An Introduction To Chemisorption And Catalysis By Metals written by Robert Paul Holland Gasser and has been published by Oxford University Press, USA this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Language Arts & Disciplines categories.
This text presents a unified approach to the wide range of interactions and events which may follow the impact of gas molecules with a metal surface. Through specific examples illustrating both the close conceptual and experimental links between adsorption and catalysis, students are shown how to conduct and interpret experiments, exploring the experimental techniques most often encountered.
Chemisorption And Reactions On Metallic Films V1
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Author : J Anderson
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Chemisorption And Reactions On Metallic Films V1 written by J Anderson and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Technology & Engineering categories.
Chemisorption and Reactions on Metallic Films, Volume 1 is a six-chapter text that describes the role of evaporated metal films in advancing the understanding of the metal-gas interface chemistry. Chapter 1 presents electron microscopy and diffraction studies and their contributions in elucidating the growth and structure of polycrystalline and epitaxially grown films. Chapter 2 describes the techniques of preparation and characterization of metallic films and examines the heats of adsorption, electrical conductivity, surface area, and sticking probabilities of such films. Chapter 3 discusses the strength of pairwise interactions; the influence of the intermetallic bond on the equilibrium shape of metal crystallites; the bonding of individual metal atoms to different crystallographic planes; the interaction of metal atoms and crystallites with non-conducting substrates; and the effects of residual gases on this interaction. Chapters 4 and 5 address the adsorption of metallic films, with an emphasis on general trends in adsorptive and electronic properties of bulk metals. These chapters also discuss the effects of adsorption on the electrical conductance of island-like and coherent films and on the ferromagnetic properties of films. Chapter 6 evaluates the application of infrared spectroscopy to the studies of the surfaces of metal films and the use of the available infrared spectroscopic data in reconciling the results of adsorption studies on oxide-supported metal particles with those obtained with clean evaporated metal films prepared under ultra high vacuum conditions. Research scientists and graduate students who are interested in the fundamentals of adsorption and catalysis will find this volume invaluable.
Quantum Chemistry Approaches To Chemisorption And Heterogeneous Catalysis
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Author : F. Ruette
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-14
Quantum Chemistry Approaches To Chemisorption And Heterogeneous Catalysis written by F. Ruette and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-14 with Science categories.
The development of "high-tech" materials in contemporary industries is deeply related to a detailed understanding of specific surface properties of catalysts which make particular reactions possible. But this understanding presupposes that there exists a body of theory capable of explaining situations not easily accessible to experimental methods and of relating experimental findings among themselves and with theoretical constructs. For these reasons, theoretical developments in surface physics and surface chemistry of transition metal compounds have been of paramount importance in promoting progress in catalysis, electronic devices, corrosion, etc. Although a great variety of spectroscopic methods for analyzing solids and surfaces at molecular scale have been introduced in recent years, nevertheless, many questions about the adsorption sites and intermediates, the effect of promoters, the poisoning of active sites, the nature of segregation of impurities, the process of surface reconstruction, the mechanisms of reactions, etc. have remained unanswered simply because of the great complexity of surface phenomena. It is in this sense that quantum mechanical method- combined with experimental data - may shed some light on the microscopic properties of new surface materials.