Useful quasicrystals有用的准晶体
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作者： Jean-Marie Dubois 著
出 版 社：
出版时间： 2005-4-1字数：版次： 1页数： 482印刷时间： 2005/04/01开本： 16开印次： 1纸张： 胶版纸I S B N ： 9789812561886包装： 平装内容简介
The aim of this book is to acquaint the reader with what the author regards as the most basic characteristics of quasicrystals — structure, formation and stability, properties — in relationship with the applications of quasicrystalline materials.
Quasicrystals are fascinating substances that form a family of specific structures with strange physical and mechanical properties as compared to those of metallic alloys. This, on the one hand, is stimulating intensive research to understand the most basic properties of quasicrystals in the frame of a generalized crystallography. On the other hand, these properties open the way to technological applications, demonstrated or potential, mostly regarding energy savings.
目录
Foreword The Golden Mean and the Kitchen
General References
Chapter 1 What to Know to Start with
1 Introduction
2 Classical and Non-Classical Crystals
3 The Reciprocal Space
4 The Search for Enhanced Mechanical Properties
5 The Birth ofaMonster
6 The Quarrel of Ancients and Modems
7 The World of Quasicrystals
8 Recovering the Periodicity
9 Organised Disorder : the Phasons
10 From Tilings to Coverings
References
Chapter 2 Strange Physical Properties
1 Introduction
2 Basics of Metal Physics, in Very Simple Words
2.1 Electron Transport in Metallic Crystals
2.2 Electron Bands
2.3 The Hume-Rothery Rules in Crystals
3 Electronic Transport in Quasicrystals
3.1 Phenomenological Data
3.2 An Insulator Made of Metals
3.3 Quantum Interference Effects
3.4 Variable Range Hopping
3.5 Hierarchical Recurrent Localization
3.6 Optical Properties
3.7 Another Step Towards a Model of Electronic Conductivity
4 Electron Densities of States
4.1 Pseudogap and Relevant Experimental Information
4.2 The Hume-Rothery Gap in Related Crystals
4.3 Surface Electronic States
4.4 A Bit More about d-states and the Role of Transition Metals
4.5 Enhanced Stability of Quasicrystals and Approximants
5 Lattice Dynamics and Thermal Conductivity
5.1 Lattice Vibrations in Icosahedral Mono-Domain Samples
5.2 Heat Conduction
5.3 Structural Scattering of Phonons
5.4 Electronic Contribution to Heat Transport
6 Magnetism
References
Chapter 3 When Atoms Move Away
1 Introduction
2 Brittle Intermetallics that End into Chewing-Gum
2.1 Hardness, Brittleness and Low Friction
2.2 Plastic Behaviour at Elevated Temperature
2.3 The Role of Dislocations
2.4 Behind Dislocations, Cluster Friction
3 Non-Conventional Surfaces
3.1 Rough and Flat Surfaces
3.2 Static Friction on Clean Surfaces
4 Oxidation Behaviour
4.1 Dependence on Oxidizing Environment
4.2 Kinetics and Temperature Dependence
5 Atomic Mobility
5.1 Atomic Transport in Normal Crystals
5.2 Diffusion in Icosahedral Quasicrystals
5.3 Phason Assisted Diffusion
5.4 Atomic Jumps
References
Chapter 4 Preparation and Mass Production
1 Introduction
2 Phase Selection
3 The Multitude of Approximants
3.1 Crystals and Approximants in the A1-Cu-Fe-Cr System
3.2 B2-Based Approximants in Relation to Quasicrystals
4 Phase Diagrams
4.1 Growth from the Liquid State
……
Chapter 5 The Rise of a Dream
Conclusion The Dream is Not Over Yet
Index
