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Geometric And Electronic Properties Of Size Selected Metal Clusters On Surfaces
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Book Synopsis Geometric and Electronic Properties of Size Selected Metal Clusters on Surfaces by : Thomas Christoph Eng Fuk Irawan
Download or read book Geometric and Electronic Properties of Size Selected Metal Clusters on Surfaces written by Thomas Christoph Eng Fuk Irawan and published by . This book was released on 2006 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Karl-Heinz Meiwes-Broer Publisher :Springer Science & Business Media ISBN 13 :3642571697 Total Pages :315 pages Book Rating :4.6/5 (425 download)
Book Synopsis Metal Clusters at Surfaces by : Karl-Heinz Meiwes-Broer
Download or read book Metal Clusters at Surfaces written by Karl-Heinz Meiwes-Broer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to the interaction with the contact medium, the properties of clusters may change or even disappear. Thus the physics of cluster-on-surface systems -- the main subject of this book -- is of fundamental importance. The book addresses a wide audience, from the newcomer to the expert. Starting from fundamental concepts of adsorbate-surface interactions, the modification of electronic properties through electron confinement, and concepts of cluster production, it elucidates the distinct properties of the new metallic nanostructures.
Book Synopsis Optical Properties of Metal Clusters by : Uwe Kreibig
Download or read book Optical Properties of Metal Clusters written by Uwe Kreibig and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical Properties of Metal Clusters deals with the electronic structure of metal clusters determined optically. Clusters - as state intermediate between molecules and the extended solid - are important in many areas, e.g. in air pollution, interstellar matter, clay minerals, photography, heterogeneous catalysis, quantum dots, and virus crystals. This book extends the approaches of optical molecular and solid-state methods to clusters, revealing how their optical properties evolve as a function of size. Cluster matter, i.e. extended systems of many clusters - the most frequently occuring form - is also treated. The combination of reviews of experimental techniques, lists of results and detailed descriptions of selected experiments will appeal to experts, newcomers and graduate students in this expanding field.
Book Synopsis Metal Clusters: Morphology and Chemical Properties by : Pritha Gangopadhyay
Download or read book Metal Clusters: Morphology and Chemical Properties written by Pritha Gangopadhyay and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal cluster studies have been an active area of research for more than three decades. A major thrust of the metal cluster studies is towards the area of supported, size-selected metal clusters. We have developed an improved source which can generate greater intensities of stable cluster ions. The source is based on the laser vaporization technique and uses the 532 nm radiation from a Q-switched Nd:YAG laser. Mass selection is achieved using a Wien (E x B) filter. An electron gun, incorporated in such a way as to intercept the laser vaporized cluster ions, has been successful in creating a larger intensity of the cluster ions which has made our surface studies easier and quicker. Niobium, cobalt and manganese clusters have been successfully generated and size selected. A UHV chamber for depositing the clusters on a suitable substrate and then transferring them under vacuum to a surface analysis apparatus has been assembled for characterization of the supported clusters. The surface studies show us some interesting characteristics as far as the small clusters of niobium are concerned. We have been able to get a qualitative picture of the nature of binding of small Nb clusters (monomers through hexamers) to Ni(110) as a substrate through thermal desorption studies of CO on bare Ni(110) and cluster coated Ni(110) surfaces.
Download or read book Metal Clusters written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physics and Chemistry of Small Clusters by : P. Jena
Download or read book Physics and Chemistry of Small Clusters written by P. Jena and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 932 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent advances in experimental techniques now enable researchers to produce in a laboratory clusters of atoms of desired composition from any of the elements of the periodic table. This has created a new area of research into novel materials since clusters cannot be regarded either as a "large" molecule or as a fragment of the bulk. Both experimental and theoretical studies are revealing unusual properties that are not ob served in solid state environments. The structures of micro-clusters are found to be significantly distorted from the most symmetric arrangement, some even exhibiting pentagonal symmetry commonly found in icosahedric structures. The unusual stability of certain clusters, now described as "magic number species", shows striking similarities with the nuclear shell structure. The relative stabilities of clusters depend not only on the composition of the clusters but also on their charged states. The studies on spontaneous fragmentation of mUltiply charged clusters, commonly referred to as Coulomb explosion, illustrate the role of electronic bonding mechanisms on stability of clusters. The effect of foreign atoms on geometry and stability of clusters and the interaction of gas atoms with clusters are showing promise for an indepth understanding of chemisorption and catalysis. The magnetic and optical properties are dependent not only on cluster size but also on its geometry. These findings have the potential for aiding industry in the area of micro-electronics and catalysis.
Book Synopsis Metal Clusters and Their Reactivity by : Zhixun Luo
Download or read book Metal Clusters and Their Reactivity written by Zhixun Luo and published by Springer Nature. This book was released on 2020-10-31 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses current techniques and instrumentation for cluster chemistry. It addresses both the experimental and theoretical aspects of gas-phase metal cluster reactivities, especially those pertaining to pollution removal, energetic reactions and corrosion and anticorrosion. These metal cluster systems have attracted enormous interest as they display a completely new class of physical, chemical, electronic, magnetic and catalytic properties. As these properties change with size and composition, it can thus be understood how their nature evolves from atoms to bulk solids. The book offers readers a basic understanding of the structural chemistry and reactivity of metal clusters in both gas-phase and wet chemistry. Further, the lessons they learn here regarding metal cluster chemistry will prepare researchers for the study of condensed phase dynamics that pertain to wet chemical synthesis, soft-landing deposition and cluster assembly.
Book Synopsis Metal Surface Electron Physics by : A. Kiejna
Download or read book Metal Surface Electron Physics written by A. Kiejna and published by Elsevier. This book was released on 1996-03-15 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last thirty years metal surface physics, or generally surface science, has come a long way due to the development of vacuum technology and the new surface sensitive probes on the experimental side and new methods and powerful computational techniques on the theoretical side. The aim of this book is to introduce the reader to the essential theoretical aspects of the atomic and electronic structure of metal surfaces and interfaces. The book gives some theoretical background to students of experimental and theoretical physics to allow further exploration into research in metal surface physics. The book consists of three parts. The first part is devoted to classical description of geometry and structure of metal crystals and their surfaces and surface thermodynamics including properties of small metallic particles. Part two deals with quantum-mechanical description of electronic properties of simple metals. It starts from the free electron gas description and introduces the many body effects in the framework of the density functional theory, in order to discuss the basic surface electronic properties of simple metals. This part outlines also properties of alloy surfaces, the quantum size effect and small metal clusters. Part three gives a succinct description of metal surfaces in contact with foreign atoms and surfaces. It treats the work function changes due to alkali metal adsorption on metals, adhesion between metals and discusses the universal aspects of the binding energy curves. In each case extensive reference lists are provided.
Book Synopsis Progress in Experimental and Theoretical Studies of Clusters by : Tamotsu Kondow
Download or read book Progress in Experimental and Theoretical Studies of Clusters written by Tamotsu Kondow and published by World Scientific. This book was released on 2003 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: The cluster which is an ensemble of two thousands of atoms or molecules, has emerged as a completely new class of materials at the frontier of materials science. The frontier of cluster science extends so rapidly that the map of the science is renewed day by day. In order to provide basic knowledge and recent information on this growing field, 14 world-renowned scientists who are actively involved experimentally and theoretically in cluster science have written this book, which is concise, comprehensive, suitable for students at both the undergraduate and the graduate level, as well as people who work outside cluster science.
Book Synopsis Chemisorption and Reactivity on Supported Clusters and Thin Films: by : R.M. Lambert
Download or read book Chemisorption and Reactivity on Supported Clusters and Thin Films: written by R.M. Lambert and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Cluster Assembled Materials by : Klaus Sattler
Download or read book Cluster Assembled Materials written by Klaus Sattler and published by CRC Press. This book was released on 1996 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is now some 15 years since atomic clusters were first produced and investigated in laboratories. Since then, knowledge concerning clusters has enjoyed rapid and sustained growth, and cluster research has become a new branch of science.
Book Synopsis Protected Metal Clusters: From Fundamentals to Applications by :
Download or read book Protected Metal Clusters: From Fundamentals to Applications written by and published by Elsevier. This book was released on 2015-09-06 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: Protected Metal Clusters: From Fundamentals to Applications surveys the fundamental concepts and potential applications of atomically precise metal clusters protected by organic ligands. As this class of materials is now emerging as a result of breakthroughs in synthesis and characterization that have taken place over the last few years, the book provides the first reference with a focus on these exciting novel nanomaterials, explaining their formation, and how, and why, they play an important role in the future of molecular electronics, catalysis, sensing, biological imaging, and medical diagnosis and therapy. Surveys the fundamental concepts and potential applications of atomically precise metal clusters protected by organic ligands. Provides well-organized, tutorial style chapters that are ideal for teaching and self-study In-depth descriptions by top scientists in the field Presents the state-of-the art of protected metal clusters and their future prospects
Book Synopsis Metal Nanoparticles and Clusters by : Francis Leonard Deepak
Download or read book Metal Nanoparticles and Clusters written by Francis Leonard Deepak and published by Springer. This book was released on 2017-11-17 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the continually expanding field of metal nanoparticles and clusters, in particular their size-dependent properties and quantum phenomena. The approaches to the organization of atoms that form clusters and nanoparticles have been advancing rapidly in recent times. These advancements are described through a combination of experimental and computational approaches and are covered in detail by the authors. Recent highlights of the various emerging properties and applications ranging from plasmonics to catalysis are showcased.
Book Synopsis Science And Technology Of Atomically Engineered Materials - Proceedings Of The International Symposium by : Purusottam Jena
Download or read book Science And Technology Of Atomically Engineered Materials - Proceedings Of The International Symposium written by Purusottam Jena and published by World Scientific. This book was released on 1996-09-20 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the synthesis and characterization of materials with atomic dimension. These include atomic clusters, nanostructured materials, multilayers and one-dimensional arrays. The effect of reduced size and dimensionality on electronic, magnetic, optical and catalytic properties and the technological prospects of atomically engineered materials is highlighted.
Book Synopsis Morphological, Compositional, and Shape Control of Materials for Catalysis by : Paolo Fornasiero
Download or read book Morphological, Compositional, and Shape Control of Materials for Catalysis written by Paolo Fornasiero and published by Elsevier. This book was released on 2017-05-23 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: Morphological, Compositional, and Shape Control of Materials for Catalysis, Volume 177, the latest in the Studies in Surface Science and Catalysis series, documents the fast-growing developments in the synthesis, characterization, and utilization of nanostructures for catalysis. The book provides essential background on using well-defined materials for catalysis and presents exciting new paradigms in the preparation and application of catalytic materials, with an emphasis on how structure determines catalytic properties. In addition, the book uniquely features discussions on the future of the field, with ample space for future directions detailed in each chapter. Presents the latest paradigms in the preparation and application of catalytic materials Provides essential background on using well-defined materials for catalysis Features discussion of future directions at the end of each chapter
Book Synopsis Catalysis and Electrocatalysis at Nanoparticle Surfaces by : Andrzej Wieckowski
Download or read book Catalysis and Electrocatalysis at Nanoparticle Surfaces written by Andrzej Wieckowski and published by CRC Press. This book was released on 2003-02-19 with total page 970 pages. Available in PDF, EPUB and Kindle. Book excerpt: Illustrating developments in electrochemical nanotechnology, heterogeneous catalysis, surface science and theoretical modelling, this reference describes the manipulation, characterization, control, and application of nanoparticles for enhanced catalytic activity and selectivity. It also offers experimental and synthetic strategies in nanoscale surface science. This standard-setting work clariefies several practical methods used to control the size, shape, crystal structure, and composition of nanoparticles; simulate metal-support interactions; predict nanoparticle behavior; enhance catalytic rates in gas phases; and examine catalytic functions on wet and dry surfaces.
Book Synopsis Calculations of Electronic Properties of Metal Clusters, Fullerenes and Molecules Absorbed on Surfaces by : Bo Wästberg
Download or read book Calculations of Electronic Properties of Metal Clusters, Fullerenes and Molecules Absorbed on Surfaces written by Bo Wästberg and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
