ISBN-10:
0306426064
ISBN-13:
9780306426063
Pub. Date:
01/01/1987
Publisher:
Basic Books
Physics and Chemistry of Small Clusters

Physics and Chemistry of Small Clusters

by P. Jena

Hardcover

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Overview

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.

Product Details

ISBN-13: 9780306426063
Publisher: Basic Books
Publication date: 01/01/1987
Series: NATO ASI B Ser.: Physics , #15
Pages: 972
Product dimensions: 6.50(w) x 1.50(h) x 9.50(d)

Table of Contents

Atomic Structure.- Photoelectron Spectroscopy of Metal Cluster Ion Beams.- Atomic Structure of Small Clusters: The Why and How of the Five-Fold Symmetry.- Study of Production Technique for Metallic Ultra Fine Particles Using Arc Energy.- Electron Diffraction Study of Supersonically Generated Clusters.- Control over the Structure of Clusters Generated in Supersonic Flow.- Annealing of Fine Powders: Initial Shapes and Grain Boundary Motion.- Continuous Mass Selected Cluster Ion Production using a Liquid Metal Ion Source.- Dangling Bonds Reconstruction at the Core of a 90° Partial Dislocation in Silicon: A Theoretical Study.- Isolation of Monodispersed Gold Clusters of Controlled Size.- Structures of C5 and C6.- The Structure of Small Gold Crystals.- Graph Theory Derived Methods for the Study of Metal Cluster Bonding Topology: Applications to Post-Transition Metal Clusters.- Laser Vaporization and Photoionization Studies of Tin and Lead Clusters.- Laser Vaporization and Photoionization of Group IV and V Intermetallic Clusters.- A Theoretical Study of Carbon Clusters: Equilibrium Geometries and Electronic Structures of Cn.- Multiphoton Stimulated Desorption: The Geometrical Structure of Neutral Sodium Chloride Clusters.- Mass and Temperature Measurement in Pure Vapor Expansion of Metals and Semi-Metals.- Fine Structure of Mass Spectrum of Sodium Clusters: Giant Atom Concept.- The X?(R) Method: A Semi-Empirical Method with a Varying with the Internuclear Distance.- Atomic Resolution Study of Structural Rearrangements in Metal Clusters.- A Fragment Cluster Study of Polyacetylene.- An Approximate Ab-Inito Theory of Metal Clusters.- Alkali Clusters: Structure, Stability, Large Amplitude Motion and Chemical Properties.- A Unified Explanation of Magic Numbers in Small Clusters.- Dynamics.- A Molecular Dynamics Study of Silicon Clusters.- Electron Localization and Excitation Dynamics in Small Clusters.- Melting and Freezing of Microclusters.- Structure and Melting of Argon Clusters on a Substrate.- Dynamics of Atomic Collisions on Helium Clusters.- Isomerization and Melting of Small Alkali-Halide Clusters.- Minimum Energy Structures of Br2-ArN Clusters: Implications for Dynamics.- Steepest Descent Quenches and the Melting of Microclusters.- Stability and Fragmentation.- Photofragmentation and Stability in Semiconductor Microcluster Ions.- Atomic and Electronic Structure of Semiconductor Clusters.- Magic Numbers of Alkali Halide Clusters.- Spectroscopy of Na3 and Experiments on Size-Selected Metal Cluster Ions.- Density Functional Calculation of the Fragmentation of Neutral, Singly and Doubly-Ionized Spherical Jellium-like Metallic Microparticles.- Experiments on Sputtered Clusters as Probe of Metal Cluster Ion Stability.- Velocity Measurements of Bismuth Clusters: Velocity Slip and Fragmentation Processes.- Fragmentation of Silicon Microclusters.- Spectroscopic Investigation of Ag-Metal Clusters.- Photofragmentation of Mass-Selected Main Group Element Cations.- Desorption and Decomposition of Multiply Charged Clusters from the Crystal of Group IV Elements by Laser Excitation.- Energy of Formation for Small Molecular Clusters: (H2O)n.- Energy Redistribution and Cluster Stability.- Fragmentation of Neutral and Ionic Carbon Clusters.- Production of Cluster Ions by Laser Vaporization.- From Metal Clusters to Cluster Metals.- Thermal Stability of Micro-Clusters.- Measurement of Bi2 and Bi4 Electron Impact Fragmentation Using Magnetic Polarization.- Metastable Decay of Photoionized Niobium Clusters: Evaporation vs Fission Fragmentation.- Electronic Structure and Properties.- ESR of Small Clusters.- Structure of Homo- and Hetero-Nuclear Micro-Clusters.- Stability of Small Metallic Clusters: Conceptual and Computational Challenges.- Self-Consistent Calculation of the Collective Excitations of Small Jellium Spheres.- Magnetic Properties of Molecular Metal Clusters.- Electronic Properties of Water Clusters by an Effective Hamiltonian Treatment.- An Ab-Initio Study of the Interaction of Atomic Hydrogen with Lithium Clusters.- The EPR Spectrum of Na3 in Adamantane.- Electronic Structure and Properties of Small Be Clusters.- Jahn-Teller Distortion, Hund’s Coupling and Metastability in Alkali Teramers.- Electronic Structure of Small Carbon, Silicon, and Germanium Clusters.- Periodic Anderson Model for Small Clusters.- Electronic Theory of Segregation in Small Bimetallic Clusters.- Theoretical Cluster Model of a Zn-C Reformatsky Intermediate.- Calculation of the Magnetic Properties of Small Fe-Clusters.- Discussion of the Size Dependence of Ionization Threshold Energy of Fe Clusters.- Self-Interaction-Corrected Calculation of the Static Polarizability of Small Metal Spheres.- ESR and Electron Spin Relaxation Time T1, of Be Small Particles.- Electronic States and Geometrical Structures of Hubbard Clusters With an Impurity.- Theoretical Predictions of the Vibrational Frequencies of Singlet Li4.- Evaporation of Metal Clusters.- Analysis of the Basis Set Dependency on the Electronic Structure of Nb2.- Analysis of the Electronic Properties of Small Niobium Clusters.- Linearized Augmented Plane Wave (LAPW) Method for Isolated Clusters and Molecules.- The Nickel Dimer and Trimer.- Optical Properties.- Inelastic Light Scattering from Metal Clusters: Some Recent Developments.- Optical and Infrared Properties of Small Metal Particles.- Cluster Spectroscopy: Variations in Ionization Potentials and Spectral Shifts as a Function of Degree of Aggregation and Studies of Cluster Fragmentation.- Trapping Sites and Vibrational Modes of Ag2 in Rare Gas Matrices: A Computer Simulation.- Laser-Induced Fluorescence and Raman Investigations of Agn(n?.4) by Means of Matrix Isolation Spectroscopy.- Photoelectron Spectroscopy of Molecular Clusters: N2 and N2O.- Multipolar Excitations in Small Metallic Spheres.- Theory of Damping of Excited States of a Molecule Near a Metallic Cluster.- Photoinduced Aggregation and Dissociation of Ag and Au Clusters in Rare Gas Matrices.- Magneto-Optical Investigation of Mn and Cu-Mn Small Clusters Embedded in Rare Gas Matrices.- Van Der Waals Clusters.- Multiply Charged Clusters.- Collisional Electron Transfer to Neutral Clusters by High Rydberg Rare Gas Atoms.- Solvation of Alkali Halides in Alcohol Clusters.- On the Electronic Structure of a Singly Ionized Cluster Composed of Closed Shell Atoms or Molecules.- Unimolecular Decay of Small NH3 Cluster Ions.- Electronic Spectra and Electronic Relaxation in Mercury Van der Waals Complexes Studied in a Supersonic Jet.- The Thermodynamics of Mixed Solvent Cluster Ions: K+(CH3OH)n(H2O)m.- Electron Attachment to Van der Waals Clusters.- An Effective Hamiltonian Study of Molecular Clusters.- Kinetics of Cluster Formation During Rapid Quenching.- Interaction with Adsorbates.- Cluster Imaging.- Gas-Phase Chemical Reactions of Transition Metal Clusters with Simple Molecules.- Metal Clusters: Size Dependent Chemical and Electronic Properties.- Activation and Chemisorption of Hydrogen on Aluminum Clusters.- Unenhanced Raman Spectroscopy of CO Adsorbed on Nickel Particles.- The Surface Chemistry of Osmium Carbonyl Clusters Supported on Silica: An XPS Investigation.- Chemistry of Small Metal Cluster Ions.- Reactions of Diatomic and Triatomic Metal Clusters of Iron and Copper with Dihydrogen in Inert Matrices.- Molecular Beam Relaxation Spectroscopy Applied to Adsorption Kinetics on Small Supported Catalyst Particles.- Studies of the Reactivity and Collision Induced Dissociation of Metal Clusters: Aluminum Cluster Ions, Aln+(n=3–26), with Oxygen.- Physical Properties of High-Nuclearity Metal Cluster Compounds.- Infrared Matrix-Investigations of the Interaction of Oxygen with Iron Atoms and Aggregates.- On the Dispersion and Characteristics of Platinum-Tin Bimetallic Clusters.- Behaviour of Platinum and Palladium Microclusters on Alumina Support Films.- Structure of Metal Clusters — A High Resolution Electron Microscopy Study of Osmium Clusters on Magnesium Oxide.- Reactivity of Size-Selected Silicon Clusters as Studied by Fourier Transform Mass Spectrometry.- Theoretical Investigation of Surface Relaxation Effects on Chemisorption of Atomic Oxygen on Aluminum Clusters.- The Study of Interactions Between Iron Particles Encapsulated in Zeolites of the Faujasit-Type and the Matrix.- Role of Ensembles in Catalysis by Metals.- Cluster Calculations for Diffusion on and in Transition Metals.- Local Density Models for Bare and Ligated Transition Metal Clusters.- Activation of C-H and C-C Bonds in Alkanes by Heterodinuclear Metal Cluster Ions in the Gas Phase.- Dissociations of Manganese Carbonyl Cluster Ions.- d Band of Nickel Clusters on SiO2 Amorphous Substrate: Electron Spectroscopies and Reactivity.- In Situ EXAFS Studies of Small Fe Particles Used as Catalysts for NH3 Synthesis.- Astrochemistry.- Current Views on Astrochemistry.- International Advisory Board.- Local Organizing Committee.- Participants.

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