9781119942948

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Solid State Chemistry and its Applications, 2nd Edition: Student Edition is an extensive update and sequel to the bestselling textbook Basic Solid State Chemistry, the classic text for undergraduate teaching in solid state chemistry worldwide.

Solid state chemistry lies at the heart of many significant scientific advances from recent decades, including the discovery of high-temperature superconductors, new forms of carbon and countless other developments in the synthesis, characterisation and applications of inorganic materials. Looking forward, solid state chemistry will be crucial for the development of new functional materials in areas such as energy, catalysis and electronic materials.

This revised edition of Basic Solid State Chemistry has been completely rewritten and expanded to present an up-to-date account of the essential topics and recent developments in this exciting field of inorganic chemistry. Each section commences with a gentle introduction, covering basic principles, progressing seamlessly to a more advanced level in order to present a comprehensive overview of the subject.

This new Student Edition includes the following updates and new features:

Expanded coverage of bonding in solids, including a new section on covalent bonding and more extensive treatment of metallic bonding.
Synthetic methods are covered extensively and new topics include microwave synthesis, combinatorial synthesis, mechano-synthesis, atomic layer deposition and spray pyrolysis.
Revised coverage of electrical, magnetic and optical properties, with additional material on semiconductors, giant and colossal magnetoresistance, multiferroics, LEDs, fibre optics and solar cells, lasers, graphene and quasicrystals.
Extended chapters on crystal defects and characterisation techniques.
Published in full colour to aid comprehension.
Extensive coverage of crystal structures for important families of inorganic solids is complemented by access to CrystalMaker® visualization software, allowing readers to view and rotate over 100 crystal structures in three dimensions.
Solutions to exercises and supplementary lecture material are available online.

Solid State Chemistry and its Applications, 2nd Edition: Student Edition is a must-have textbook for any undergraduate or new research worker studying solid state chemistry.

Anthony West is Professor of Electroceramics and Solid State Chemistry in the Department of Materials Science & Engineering at Sheffield University. Having spent most of his academic career at the University of Aberdeen, where he developed a lifetime interest in the then-emerging field of solid state chemistry with special interest in synthesis of new oxide materials, their crystal structures and electrical properties, Professor West moved to Sheffield University in 1999 as Head of Department, a post he held until 2007. In addition to writing several bestselling books on Solid State Chemistry, Tony was founding editor of the Journal of Materials Chemistry and founding Chairman of the Materials Chemistry Forum of the Royal Society of Chemistry. He is a former President of the Inorganic Chemistry Division of IUPAC.
Professor West is a Fellow of the RSC, the Institute of Physics, the Institute of Materials, Mineral and Mining, and the Royal Society of Edinburgh. He previously received an Industrial Award in Solid State Chemistry from the RSC, 1996, the Griffiths Medal and Prize from the IOM3, 2008, the Epsilon de Oro Award from the Spanish Society of Glass and Ceramics, 2007, and the Chemical Record Lectureship from the Chemical Societies of Japan, 2009. He has been awarded the 2013 RSC John B. Goodenough Award in Materials Chemistry, a lifelong recognition award for his contributions to the field.

Preface xv

Chemistry – Solid State Chemistry –Materials Chemistry –Materials Science and Engineering xvii

Companion Website xxi

CrystalViewer xxii

Biography xxiii

1 Crystal Structures and Crystal Chemistry 1

1.1 Unit Cells and Crystal Systems 1

1.2 Symmetry 3

1.2.1 Rotational Symmetry; Symmetry Elements and Operations 3

1.2.2 Quasicrystals 6

1.2.3 Mirror Symmetry 6

1.2.4 Centre of Symmetry and Inversion Axes 6

1.2.5 Point Symmetry and Space Symmetry 9

1.3 Symmetry and Choice of Unit Cell 10

1.4 Lattice, Bravais Lattice 11

1.5 Lattice Planes and Miller Indices 14

1.6 Indices of Directions 16

1.7 d-Spacing Formulae 17

1.8 Crystal Densities and Unit Cell Contents 17

1.9 Description of Crystal Structures 18

1.10 Close Packed Structures – Cubic and Hexagonal Close Packing 19

1.11 Relationship Between Cubic Close Packed and Face Centred Cubic 21

1.12 Hexagonal Unit Cell and Close Packing 21

1.13 Density of Close Packed Structures 22

1.14 Unit Cell Projections and Atomic Coordinates 24

1.15 Materials That Can Be Described as Close Packed 25

1.15.1 Metals 25

1.15.2 Alloys 25

1.15.3 Ionic Structures 26

1.15.4 Covalent Network Structures 31

1.15.5 Molecular Structures 31

1.15.6 Fullerenes and Fullerides 31

1.16 Structures Built of Space-Filling Polyhedra 33

1.17 Some Important Structure Types 35

1.17.1 Rock Salt (NaCl), Zinc Blende or Sphalerite (ZnS), Fluorite (CaF2),

Antifluorite (Na2O) 35

1.17.2 Diamond 42

1.17.3 Wurtzite (ZnS) and Nickel Arsenide (NiAs) 43

1.17.4 Caesium Chloride (CsCl) 47

1.17.5 Other AX Structures 48

1.17.6 Rutile (TiO2), Cadmium Iodide (CdI2), Cadmium Chloride (CdCl2) and

Caesium Oxide (Cs2O) 49

1.17.7 Perovskite (SrTiO3) 54

1.17.8 Rhenium Trioxide (ReO3), Perovskite Tungsten Bronzes, Tetragonal Tungsten

Bronzes and Tunnel Structures 63

1.17.9 Spinel 66

1.17.10 Olivine 70

1.17.11 Corundum, Ilmenite and LiNbO3 72

1.17.12 Fluorite-Related Structures and Pyrochlore 72

1.17.13 Garnet 76

1.17.14 Perovskite-Rock Salt Intergrowth Structures: K2NiF4, Ruddlesden–Popper

Phases and Layered Cuprate Superconductors 76

1.17.15 The Aluminium Diboride Structure (AlB2) 80

1.17.16 Silicate Structures – Some Tips to Understanding Them 81

2 Crystal Defects, Non-Stoichiometry and Solid Solutions 83

2.1 Perfect and Imperfect Crystals 83

2.2 Types of Defect: Point Defects 84

2.2.1 Schottky Defect 85

2.2.2 Frenkel Defect 85

2.2.3 Colour Centres 90

2.2.4 Vacancies and Interstitials in Non-Stoichiometric Crystals: Extrinsic and

Intrinsic Defects 91

2.2.5 Defect Clusters or Aggregates 92

2.2.6 Interchanged Atoms: Order–Disorder Phenomena 95

2.3 Solid Solutions 95

2.3.1 Substitutional Solid Solutions 96

2.3.2 Interstitial Solid Solutions 98

2.3.3 More Complex Solid Solution Mechanisms: Aliovalent Substitution 99

2.3.4 Thermodynamically Stable and Metastable Solid Solutions 104

2.3.5 Experimental Methods for Studying Solid Solutions 104

2.4 Extended Defects 108

2.4.1 Crystallographic Shear Structures 108

2.4.2 Stacking Faults 110

2.4.3 Subgrain Boundaries and Antiphase Domains (Boundaries) 110

2.5 Dislocations and Mechanical Properties of Solids 111

2.5.1 Edge Dislocations 112

2.5.2 Screw Dislocations 114

2.5.3 Dislocation Loops 115

2.5.4 Dislocations and Crystal Structure 117

2.5.5 Mechanical Properties of Metals 118

2.5.6 Dislocations, Vacancies and Stacking Faults 120

2.5.7 Dislocations and Grain Boundaries 122

3 Bonding in Solids 125

3.1 Overview: Ionic, Covalent, Metallic, van der Waals and Hydrogen Bonding

in Solids 125

3.2 Ionic Bonding 126

3.2.1 Ions and Ionic Radii 126

3.2.2 Ionic Structures – General Principles 130

3.2.3 The Radius Ratio Rules 133

3.2.4 Borderline Radius Ratios and Distorted Structures 135

3.2.5 Lattice Energy of Ionic Crystals 136

3.2.6 Kapustinskii’s Equation 140

3.2.7 The Born–Haber Cycle and Thermochemical Calculations 141

3.2.8 Stabilities of Real and Hypothetical Ionic Compounds 143

3.2.9 Effect of Partial Covalent Bonding on Crystal Structures 145

3.2.10 Effective Nuclear Charge 147

3.2.11 Electronegativity and Partially Charged Atoms 147

3.2.12 Coordinated Polymeric Structures – Sanderson’s model 149

3.2.13 Mooser–Pearson Plots and Ionicities 150

3.2.14 Bond Valence and Bond Length 151

3.2.15 Non-Bonding Electron Effects 153

3.3 Covalent Bonding 161

3.3.1 Particle-Wave Duality, Atomic Orbitals, Wavefunctions and Nodes 162

3.3.2 Orbital Overlap, Symmetry and Molecular Orbitals 163

3.3.3 Valence Bond Theory, Electron Pair Repulsion, Hybridisation and

Oxidation States 169

3.4 Metallic Bonding and Band Theory 173

3.4.1 Band Structure of Metals 179

3.4.2 Band Structure of Insulators 179

3.4.3 Band Structure of Semiconductors: Silicon 179

3.4.4 Band Structure of Inorganic Solids 181

3.5 Bands or Bonds: a Final Comment 185

4 Synthesis, Processing and Fabrication Methods 187

4.1 General Observations 187

4.2 Solid State Reaction or Shake ’n Bake Methods 187

4.2.1 Nucleation and Growth, Epitaxy and Topotaxy 188

4.2.2 Practical Considerations and Some Examples of Solid State Reactions 191

4.2.3 Combustion Synthesis 194

4.2.4 Mechanosynthesis 195

4.3 Low Temperature or Chimie Douce Methods 196

4.3.1 Alkoxide Sol–Gel Method 196

4.3.2 Sol–Gel Method Using Oxyhydroxides and Colloid Chemistry 198

4.3.3 Citrate Gel and Pechini Processes 200

4.3.4 Use of Homogeneous, Single-Source Precursors 201

4.3.5 Hydrothermal and Solvothermal Synthesis 202

4.3.6 Microwave Synthesis 204

4.3.7 Intercalation and Deintercalation 205

4.3.8 Example of a Difficult Synthesis Made Possible by Chimie Douce

Methods: BiFeO3 211

4.3.9 Molten Salt Synthesis, MSS 212

4.4 Gas-Phase Methods 213

4.4.1 Vapour-Phase Transport 213

4.4.2 Chemical Vapour Deposition, CVD 216

4.4.3 Sputtering and Evaporation 221

4.4.4 Atomic Layer Deposition, ALD 222

4.4.5 Aerosol Synthesis and Spray Pyrolysis 223

4.5 High-Pressure Methods 225

4.6 Crystal Growth 226

4.6.1 Czochralski Method 226

4.6.2 Bridgman and Stockbarger Methods 226

4.6.3 Zone Melting 227

4.6.4 Precipitation From Solution or Melt: Flux Method 227

4.6.5 Verneuil Flame Fusion Method 228

5 Crystallography and Diffraction Techniques 229

5.1 General Comments: Molecular and Non-Molecular Solids 229

5.1.1 Identification of Crystalline Solids 229

5.1.2 Structure of Non-Molecular Crystalline Solids 229

5.1.3 Defects, Impurities and Stoichiometry of Crystalline Solids 230

5.2 Characterisation of Solids 231

5.3 X-Ray Diffraction 232

5.3.1 Generation of X-Rays 232

5.3.2 Interaction of X-Rays with Matter 235

5.3.3 Optical Grating and Diffraction of Light 236

5.3.4 Crystals and Diffraction of X-Rays 238

5.3.5 X-Ray Diffraction Methods 240

5.3.6 The Powder Method – Principles and Uses 240

5.3.7 Intensities 248

5.3.8 X-Ray Crystallography and Structure Determination – What is Involved? 260

5.4 Electron Diffraction 265

5.5 Neutron Diffraction 266

5.5.1 Crystal Structure Determination 267

5.5.2 Magnetic Structure Analysis 268

5.5.3 Inelastic Scattering, Soft Modes and Phase Transitions 269

6 Other Techniques: Microscopy, Spectroscopy, Thermal Analysis 271

6.1 Diffraction and Microscopic Techniques: What Do They Have in Common? 271

6.2 Optical and Electron Microscopy Techniques 272

6.2.1 Optical Microscopy 272

6.2.2 Electron Microscopy 276

6.3 Spectroscopic Techniques 291

6.3.1 Vibrational Spectroscopy: IR and Raman 293

6.3.2 Visible and Ultraviolet (UV) Spectroscopy 296

6.3.3 Nuclear Magnetic Resonance (NMR) Spectroscopy 298

6.3.4 Electron Spin Resonance (ESR) Spectroscopy 301

6.3.5 X-Ray Spectroscopies: XRF, AEFS, EXAFS 303

6.3.6 Electron Spectroscopies: ESCA, XPS, UPS, AES, EELS 308

6.3.7 M¨ossbauer Spectroscopy 312

6.4 Thermal Analysis (TA) 314

6.4.1 Thermogravimetry (TG) 315

6.4.2 Differential Thermal Analysis (DTA) and Differential Scanning

Calorimetry (DSC) 315

6.4.3 Applications 317

6.5 Strategy to Identify, Analyse and Characterise ‘Unknown’ Solids 323

7 Phase Diagrams and Their Interpretation 325

7.1 The Phase Rule, the Condensed Phase Rule and Some Definitions 325

7.2 One-Component Systems 330

7.2.1 The System H2O 331

7.2.2 The System SiO2 332

7.2.3 Condensed One-Component Systems 333

7.3 Two-Component Condensed Systems 333

7.3.1 A Simple Eutectic System 333

7.3.2 Binary Systems with Compounds 337

7.3.3 Binary Systems with Solid Solutions 340

7.3.4 Binary Systems with Solid–Solid Phase Transitions 344

7.3.5 Binary Systems with Phase Transitions and Solid Solutions: Eutectoids

and Peritectoids 345

7.3.6 Binary Systems with Liquid Immiscibility: MgO–SiO2 347

7.3.7 Some Technologically Important Phase Diagrams 348

7.4 Some Tips and Guidelines for Constructing Binary Phase Diagrams 355

8 Electrical Properties 359

8.1 Survey of Electrical Properties and Electrical Materials 359

8.2 Metallic Conductivity 361

8.2.1 Organic Metals: Conjugated Systems 362

8.2.2 Organic Metals: Charge-Transfer Complexes 365

8.3 Superconductivity 366

8.3.1 The Property of Zero Resistance 366

8.3.2 Perfect Diamagnetism; the Meissner Effect 368

8.3.3 Critical Temperature Tc, Critical Field Hc and critical current Jc 368

8.3.4 Type I and Type II Superconductors: the Vortex (Mixed) State 370

8.3.5 Survey of Superconducting Materials 371

8.3.6 Crystal Chemistry of Cuprate Perovskites 374

8.3.7 YBa2Cu3O7–δ , YBCO 376

8.3.8 Fullerides 381

8.3.9 Applications of Superconductors 381

8.4 Semiconductivity 382

8.4.1 Elemental and Compound Semiconductors with Diamond and

Zinc Blende Structures 384

8.4.2 Electrical Properties of Semiconductors 386

8.4.3 Oxide Semiconductors 388

8.4.4 Applications of Semiconductors 389

8.5 Ionic Conductivity 392

8.5.1 Alkali Metal Halides: Vacancy Conduction 393

8.5.2 Silver Chloride: Interstitial Conduction 399

8.5.3 Alkaline Earth Metal Fluorides 401

8.5.4 Solid Electrolytes (or Fast Ion Conductors, Superionic Conductors) 401

8.6 Dielectric Materials 430

8.6.1 From Dielectrics to Conductors 433

8.7 Ferroelectrics 436

8.8 Pyroelectrics 441

8.9 Piezoelectrics 441

8.10 Applications of Ferro-, Pyro- and Piezoelectrics 441

9 Magnetic Properties 445

9.1 Physical Properties 445

9.1.1 Behaviour of Substances in a Magnetic Field 446

9.1.2 Effects of Temperature: Curie and Curie–Weiss laws 448

9.1.3 Magnetic Moments 449

9.1.4 Mechanisms of Ferro- and Antiferromagnetic Ordering: Superexchange 452

9.1.5 Some More Definitions 453

9.2 Magnetic Materials, Their Structures and Properties 455

9.2.1 Metals and Alloys 455

9.2.2 Transition Metal Monoxides 458

9.2.3 Transition Metal Dioxides 459

9.2.4 Spinels 459

9.2.5 Garnets 462

9.2.6 Ilmenites and Perovskites 464

9.2.7 Magnetoplumbites 464

9.3 Applications: Structure–Property Relations 464

9.3.1 Transformer Cores 464

9.3.2 Permanent Magnets 466

9.3.3 Magnetic Information Storage 466

9.4 Recent Developments 467

9.4.1 Magnetoresistance: Giant and Colossal 467

9.4.2 Multiferroics 469

10 Optical Properties: Luminescence and Lasers 473

10.1 Visible Light and the Electromagnetic Spectrum 473

10.2 Sources of Light, Thermal Sources, Black Body Radiation and Electronic Transitions 473

10.3 Scattering Processes: Reflection, Diffraction and Interference 476

10.4 Luminescence and Phosphors 476

10.5 Configurational Coordinate Model 478

10.6 Some Phosphor Materials 480

10.7 Anti-Stokes Phosphors 481

10.8 Stimulated Emission, Amplification of Light and Lasers 482

10.8.1 The Ruby Laser 484

10.8.2 Neodymium Lasers 485

10.8.3 Semiconductor Lasers and the Light-Emitting Diode, LED 486

10.9 Photodetectors 488

10.10 Fibre-Optics 490

10.11 Solar Cells 492

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Solid State Chemistry and its Applications

Solid State Chemistry and its Applications

1119942942

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