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Effect Of Hydrogen On The Structural Of Transition Metal Surfaces
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Book Synopsis Effect of Hydrogen on the Structural of Transition Metal Surfaces by : Ahmad Mubarak
Download or read book Effect of Hydrogen on the Structural of Transition Metal Surfaces written by Ahmad Mubarak and published by LAP Lambert Academic Publishing. This book was released on 2012 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work presents the interaction of hydrogen atoms with surface layers of transition metal surfaces at the (001) orientation, (V, Fe, Co, Ni, Cu, and Ag), and Fe, Co and Ni overlayer on Cu(001) and Ag(001) substrate using first principles calculations. I performed these calculations using full-potential linearized augmented plane wave (FP-LAPW) method within the generalized gradient approximation (GGA) of density functional theory (DFT) as implemented in Wien2kcode. Now, I am working on hydrogen dissociation and diffusion on transition metal surfaces to designing the fuel cell by using DFT calculation
Book Synopsis Effect of Hydrogen on Electronic and Magnetic Structures of Transition Metal Surfaces by : Ahmad Abdul Kareem A. Mubarak
Download or read book Effect of Hydrogen on Electronic and Magnetic Structures of Transition Metal Surfaces written by Ahmad Abdul Kareem A. Mubarak and published by . This book was released on 2009 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electronic Structure and Properties of Hydrogen in Metals by : C.B. Satterthwaite
Download or read book Electronic Structure and Properties of Hydrogen in Metals written by C.B. Satterthwaite and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrogen is the smallest impurity atom that can be implanted in a metallic host. Its small mass and strong interaction with the host electrons and nuclei are responsible for many anomalous and interesting solid state effects. In addition, hydrogen in metals gives rise to a number of technological problems such as hydrogen embrittlement, hydrogen storage, radiation hardening, first wall problems associated with nuclear fusion reactors, and degradation of the fuel cladding in fission reactors. Both the fundamental effects and applied problems have stimulated a great deal of inter est in the study of metal hydrogen systems in recent years. This is evident from a growing list of publications as well as several international conferences held in this field during the past decade. It is clear that a fundamental understanding of these problems re quires a firm knowledge of the basic interactions between hydrogen, host metal atoms, intrinsic lattice defects and electrons. This understanding is made particularly difficult by hyrogen's small mass and by the large lattice distortions that accompany the hydrogenation process. The purpose of the "International Symposium on the Electronic Structure and Properties of Hydrogen in Metals" held in Richmond, Virginia, March 4-6, 1982 was to increase our fundamental under standing of hydrogen in metals. Such knowledge is essential in solving technologically important questions. The symposium con sisted of twenty-two invited papers and seventy-two contributed poster presentations and attracted nearly 150 participants from thirteen countries. The proceedings of this symposium constitute this book.
Book Synopsis Hydrogen in Metals: Application-oriented properties by : G. Alefeld
Download or read book Hydrogen in Metals: Application-oriented properties written by G. Alefeld and published by . This book was released on 1978 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electronic Structure and Reactivity of Metal Surfaces by : E. Derouane
Download or read book Electronic Structure and Reactivity of Metal Surfaces written by E. Derouane and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt: Imagine that a young physicist would approach a granting agen cy and propose to contribute to heterogeneous catalysis by studying the heat conductivity of gases in contact with a hot filament. How would he be received now? How would he have been treated sixty years ago ? Yet, more than sixty years ago, Irving Langmuir, through his study of heat transfer from a tungsten filament, uncovered most of the fundamental ideas which are used to-day by the scientific com munity in pure and applied heterogeneous catalysis. Through his work with what were for the first time "clean" metal surfaces, Langmuir formulated during a period of a little over ten years un til the early thirties, the concepts of chemisorption, monolayer, adsorption sites, adsorption isotherm, sticking probability, cata lytic mechanisms by way of the interaction between chemisorbed spe cies, behavior of non-uniform surfaces and repulsion between adsor bed dipoles. It is fair to say that many of these ideas constituting the first revolution in surface chemistry have since been refined through thousands of investigations. Countless papers have been pu blished on the subject of the Langmuir adsorption isotherm, the Langmuir catalytic kinetics and the Langmuir site-exclusion adsorp tion kinetics. The refinements have been significant. ThE original concepts in their primitive or amended form are used everyday by catalytic chemists and chemical engineers allover the world in their treatment of experimental data, design of reactors or inven tion of new processes.
Book Synopsis Hydrogen Effects in Materials by : Anthony W. Thompson
Download or read book Hydrogen Effects in Materials written by Anthony W. Thompson and published by John Wiley & Sons. This book was released on 2013-09-27 with total page 1303 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the Fifth International Conference on the Effect of Hydrogen on the Behavior of Materials sponsored by the Structural Materials Division (SMD) Mechanical Metallurgy and Corrosion & Environmental Effects Committees of The Minerals, Metals & Materials Society held at Jackson Lake Lodge, Moran, Wyoming, September 11-14, 1994.
Book Synopsis Transition Metal Oxides by : H.H. Kung
Download or read book Transition Metal Oxides written by H.H. Kung and published by Elsevier. This book was released on 1989-04-01 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book the author presents an up-to-date summary of existing information on the structure, electronic properties, chemistry and catalytic properties of transition metal oxides. The subjects covered in the book can be divided into three sections. The first (chapters 1 to 3) covers the structural, physical, magnetic, and electronic properties of transition metal oxides. Although the emphasis is on surface properties, relevant bulk properties are also discussed. The second section (chapters 4 to 7) covers surface chemical properties. It includes topics that describe the importance of surface coordinative unsaturation in adsorption, the formation of surface acidity and the role of acidity in determining surface chemical properties, the nature and reactivities of adsorbed oxygen, and the surface chemistry in the reduction of oxides. The third section (chapters 8 to 14) is on the catalytic properties. Various catalytic reactions including decomposition, hydrogenation, isomerization, metathesis, selective oxidation, and reactions involving carbon oxides are discussed. Emphasis is placed more on reaction mechanisms and the role of catalysts than on kinetics and processes. Chapters on the preparation of oxide catalysts and on photo-assisted processes are also included. Whenever appropriate, relationships between various topics are indicated. Written for surface physicists, chemists, and catalytic engineers, the book will serve as a useful source of information for investigators and as a comprehensive overview of the subject for graduate students.
Book Synopsis Hydrogen Equilibration on Transition Metal Surfaces by : J. C. T. Fowell
Download or read book Hydrogen Equilibration on Transition Metal Surfaces written by J. C. T. Fowell and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nature of Water and Hydrogen Reactions on Transition Metal Surfaces Studied by Scanning Tunneling Microscopy by : Mouslim Magomedovich Tatarkhanov
Download or read book Nature of Water and Hydrogen Reactions on Transition Metal Surfaces Studied by Scanning Tunneling Microscopy written by Mouslim Magomedovich Tatarkhanov and published by . This book was released on 2009 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrogen in Intermetallic Compounds II by : Louis Schlapbach
Download or read book Hydrogen in Intermetallic Compounds II written by Louis Schlapbach and published by Springer Science & Business Media. This book was released on 2006-01-21 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: The topic of hydrogen in an on metals and alloys is important in a number ofdisciplines including solid-state physics, materials science, physical chemistry, and energy technology. This volume treats the dynamics of hydrogen in intermetallic compounds, surface properties, kinetics, and applications of metal hydrides in energy technology. In addition, selected experimental methods are described. The introductory chapter will enable non-specialists to gain an overall picture of the field and to appreciate the relevant scientific issue. The companion volume, Hydrogene in Intermetallic Compounds I, was published as Vol. 63 of Topics in Applied Physics.
Book Synopsis Recent Advances in Hydride Chemistry by : Maurizio Peruzzini
Download or read book Recent Advances in Hydride Chemistry written by Maurizio Peruzzini and published by Elsevier. This book was released on 2002-01-30 with total page 577 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book has been conceived to collect the most important recent advances in all areas of hydride chemistry research, including chemical reactivity, instrumental investigation, theory, and applications in the areas of catalysis, biochemistry and materials science. Many of the chapters have been written by the plenary lecturers of the EURO-Hydrides 2000 conference, but other leading scientists in this field have also been invited to contribute. The first part of the book focuses on the chemistry and catalysis of transition metal hydrides. Another block of chapters illustrates the most recent advances in the application of instrumental techniques to the study of the properties and reactivity of hydride compounds. The final part of the book illustrates the relevance of metal-hydrogen bonds in biochemistry and materials science. All of the chapters of this book have been evaluated by independent reviewers.
Book Synopsis Transition Metals in Coordination Environments by : Ewa Broclawik
Download or read book Transition Metals in Coordination Environments written by Ewa Broclawik and published by Springer. This book was released on 2019-03-16 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the electronic properties of transition metals in coordination environments. These properties are responsible for the unique and intricate activity of transition metal sites in bio- and inorganic catalysis, but also pose challenges for both theoretical and experimental studies. Written by an international group of recognized experts, the book reviews recent advances in computational modeling and discusses their interplay using experiments. It covers a broad range of topics, including advanced computational methods for transition metal systems; spectroscopic, electrochemical and catalytic properties of transition metals in coordination environments; metalloenzymes and biomimetic compounds; and spin-related phenomena. As such, the book offers an invaluable resource for all researchers and postgraduate students interested in both fundamental and application-oriented research in the field of transition metal systems.
Book Synopsis 1-4 Atomic Surface Structure of the Common Transition Metals and the Effect of Adhesion as Seen by Field Ion Microscopy by : O. Nishikawa
Download or read book 1-4 Atomic Surface Structure of the Common Transition Metals and the Effect of Adhesion as Seen by Field Ion Microscopy written by O. Nishikawa and published by . This book was released on 1967 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field ion microscope has so far mostly been used for the direct observation of atomic details on the surface of refractory metals. The application of the instrument to the common transition metals like iron, cobalt and nickel was difficult because of the high rate of field evaporation and the field induced disordered structure of the surface layers of these metals in a field of about 440 MV/cm which is necessary for a high resolution helium ion image. In order to obtain a stable and undisturbed surface, it is necessary to find an imaging gas which fulfills the following conditions: the imaging field is lower than the evaporation field of the specimen metals and the field stress on the metal surface at the evaporation field does not exceed the yield stress of the metals. Hydrogen as an imaging gas gives a stable image of the common transition metals and the field induced chemical reaction of hydrogen with the metals decreases the evaporation field considerably. However, the resolution of the pure hydrogen ion image even at 21°K is only 4A and the rearrangement of surface atoms due to the chemical reaction is severe and strongly temperature dependent. A satisfactory image quality is obtained with helium containing a very small addition of hydrogen which reduces the evaporation field so that the metal does not yield mechanically at this lower field stress. Loosely bound hydrogen molecules at the surface act as intermediate collision partners between incoming helium atoms and the heavy surface metal atoms, thereby increasing the helium accommodation and lowering the imaging field. Field ion micrographs of iron, cobalt, nickel and carbon steel now show detailed and undisturbed surface structures.
Book Synopsis Hydrogen in Metals by : Irving Melvin Bernstein
Download or read book Hydrogen in Metals written by Irving Melvin Bernstein and published by . This book was released on 1974 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Alloy Factor on the Chemisorption and Surface Reactivity of Transition Metal Surfaces by : Edward Mark Silverman
Download or read book Alloy Factor on the Chemisorption and Surface Reactivity of Transition Metal Surfaces written by Edward Mark Silverman and published by . This book was released on 1980 with total page 1398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrogen Storage Materials by : R. G. Barnes
Download or read book Hydrogen Storage Materials written by R. G. Barnes and published by . This book was released on 1988 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ames Laboratory, Iowa, USA
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
