Fundamentals Of Amorphous Solids - Structure And Properties.pdf

Fundamentals Of Amorphous Solids - Structure And Properties.pdf


Long awaited, this textbook fills the gap for convincing concepts to describe amorphous solids. Adopting a unique approach, the author develops a framework that lays the foundations for a theory of amorphousness. He unravels the scientific mysteries surrounding the topic, replacing rather vague notions of amorphous materials as disordered crystalline solids with the well-founded concept of ideal amorphous solids. A classification of amorphous materials into inorganic glasses, organic glasses, glassy metallic alloys, and thin films sets the scene for the development of the model of ideal amorphous solids, based on topology- and statistics-governed rules of three-dimensional sphere packing, which leads to structures with no short, mid or long-range order. This general model is then concretized to the description of specific compounds in the four fundamental classes of amorphous solids, as well as amorphous polyethylene and poly(methyl)methacrylate, emphasizing its versatility and descriptive power. Finally, he includes example applications to indicate the abundance of amorphous materials in modern-day technology, thus illustrating the importance of a better understanding of their structure and properties. Equally ideal as supplementary reading in courses on crystallography, mineralogy, solid state physics, and materials science where amorphous materials have played only a minor role until now.

Zbigniew H. Stachurski is Professor in the College of Engineering and Computer Science and Director of the Centre for the Science and Engineering of Materials at the Australian National University in Canberra (Australia). He obtained his MSc in Mechanical Engineering from the University of Science and Technology in Krakow (Poland) and his PhD from the University of Bristol (UK). He was research fellow at the Universities of Alberta (Canada), Monash (Australia), Leeds (UK) and Melbourne (Australia) before becoming Reader at the Australian National University. Zbigniew H. Stachurski's research interests are the structure of solids in general and the theory of atomic arrangements in ideal and amorphous solids in particular.

CHAPTER 1: INTRODUCTION Classification of Amorphous Materials: Inorganic Glasses, Organic Glasses, Glassy Metallic Alloys, Thin Films CHAPTER 2: APPLICATION EXAMPLES Rewriteable DVDs: Amorphous-to-Crystalline Transformation Amorphous Silicon for Solar Cells Amorphous Silica for Optical Fibres in Telecommunications Amorphous PMMA - UV Resistant Light Covers Amorphous Metallic Glass - Vitralloy CHAPTER 3: PACKING OF SPHERES Geometry of Spheres, Packing of Spheres and Neighbours Irregular Random Clusters, Their Packing Arrangement by Furth Combinatorics Method Touching Neighbours, Neighbours by Voronoi Tessellation, Topology of Clusters, Neighbours by Coordination Measures on Clusters and Packings, Tetrahedricity, Voronoi Polyhedra Notation, Coordination Distribution Function, Configurations of Random Clusters Probability of Contacts, Hard and Soft Spheres Definition of Solid Packing Fixed and Loose Spheres CHAPTER 4: IDEAL AMORPHOUS SOLIDS Definition of an Ideal Amorphous Solid (IAS) of Class I Construction Methods of IAS IAS Model for Amorphous Argon IAS Models for Binary Metallic and Metalloid Glasses: Ni-Nb, Zr-Cu, Fe-P IAS Models for Ternary Metallic and Metalloid Glasses: Zr-Cu, Mg-Cu-Gd IAS Models for Multi-Atomic Glasses IAS Models for Inorganic Glasses: SiO2, Ge-As-Se IAS Models for Organic Glasses Amorphous Polyethylene Amorphous Poly(Methyl) Methacrylate CHAPTER 5. CHARACTERIZATION Introduction to X-Ray Scattering from Amorphous Solids X-Ray Scattering from IAS Models EXAFS


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