X-ray photograph of zinc blende (Friedrich, Knipping, and von Laue. 1912) | p. xvi |
X-ray photograph of deoxyribonucleic acid (Franklin and Gosling, 1952) | p. xvii |
Crystals and crystal structures | p. 1 |
The nature of the crystalline state | p. 1 |
Constructing crystals from close-packed hexagonal layers of atoms | p. 5 |
Unit cells of the hep and ccp structures | p. 6 |
Constructing crystals from square layers of atoms | p. 9 |
Constructing body-centred cubic crystals | p. 9 |
Interstitial structures | p. 11 |
Some simple ionic and covalent structures | p. 18 |
Representing crystals in projection: crystal plans | p. 20 |
Stacking faults and twins | p. 20 |
The crystal chemistry of inorganic compounds | p. 27 |
Bonding in inorganic crystals | p. 28 |
Representing crystals in terms of coordination polyhedra | p. 30 |
Introduction to some more complex crystal structures | p. 32 |
Perovskite (CaTiO3), barium titanate (BaTiO3) and related structures | p. 32 |
Tetrahedral and octahedral structures-silicon carbide and alumina | p. 34 |
The oxides and oxy-hydroxides of iron | p. 36 |
Silicate structures | p. 38 |
The structures of silica, ice and water | p. 44 |
The structures of carbon | p. 48 |
Exercises | p. 54 |
Two-dimensional patterns, lattices and symmetry | p. 56 |
Approaches to the study of crystal structures | p. 56 |
Two-dimensional patterns and lattices | p. 57 |
Two-dimensional symmetry elements | p. 59 |
The five plane lattices | p. 62 |
The seventeen plane groups | p. 65 |
One-dimensional symmetry: border or frieze patterns | p. 66 |
Symmetry in art and design: counterchange patterns | p. 66 |
Layer (two-sided) symmetry and examples in woven textiles | p. 74 |
Non-periodic patterns and tilings | p. 78 |
Exercises | p. 83 |
Bravais lattices and crystal systems | p. 86 |
Introduction | p. 86 |
The fourteen space (Bravais) lattices | p. 86 |
The symmetry of the fourteen Bravais lattices: crystal systems | p. 90 |
The coordination or environments of Bravais lattice points: space-filling polyhedra | p. 92 |
Exercises | p. 97 |
Crystal symmetry: point groups, space groups, symmetry-related properties and quasiperiodic crystals | p. 99 |
Symmetry and crystal habit | p. 99 |
The thirty-two crystal classes | p. 101 |
Centres and inversion axes of symmetry | p. 102 |
Crystal symmetry and properties | p. 106 |
Translational symmetry elements | p. 110 |
Space groups | p. 113 |
Bravais lattices, space groups and crystal structures | p. 120 |
The crystal structures and space groups of organic compounds | p. 123 |
The close packing of organic molecules | p. 124 |
Long-chain polymer molecules | p. 127 |
Quasicrystals (quasiperiodic crystals or crystalloids) | p. 129 |
Exercises | p. 134 |
Describing lattice planes and directions in crystals: Miller indices and zone axis symbols | p. 135 |
Introduction | p. 135 |
Indexing lattice directions-zone axis symbols | p. 136 |
Indexing lattice planes-Miller indices | p. 137 |
Miller indices and zone axis symbols in cubic crystals | p. 140 |
Lattice plane spacings, Miller indices and Laue indices | p. 141 |
Zones, zone axes and the zone law, the addition rule | p. 143 |
The Weiss zone law or zone equation | p. 143 |
Zone axis at the intersection of two planes | p. 143 |
Plane parallel to two directions | p. 144 |
The addition rule | p. 144 |
Indexing in the trigonal and hexagonal systems: Weber symbols and Miller-Bravais indices | p. 145 |
Transforming Miller indices, and zone axis symbols | p. 148 |
Transformation matrices for trigonal crystals with rhombohedral lattices | p. 151 |
A simple method for inverting a 3 x 3 matrix | p. 152 |
Exercises | p. 153 |
The reciprocal lattice | p. 155 |
Introduction | p. 155 |
Reciprocal lattice vectors | p. 155 |
Reciprocal lattice unit cells | p. 157 |
Reciprocal lattice cells for cubic crystals | p. 161 |
Proofs of some geometrical relationships using reciprocal lattice vectors | p. 163 |
Relationships between a, b, c and a*, b*, c* | p. 163 |
The addition rule | p. 164 |
The Weiss zone law or zone equation | p. 164 |
D-spacing of lattice planes (hkl) | p. 165 |
Angle p between plane normals (h1k1l1) and (h2k2l2) | p. 165 |
Definition of a*, b*, c* in terms of a, b, c | p. 166 |
Zone axis at intersection of planes (h1k1l1) and (h2k2l2) | p. 166 |
A plane containing two directions [u1v1w1] and [U2V2W2] | p. 166 |
Lattice planes and reciprocal lattice planes | p. 166 |
Summary | p. 169 |
Exercises | p. 169 |
The diffraction of light | p. 170 |
Introduction | p. 170 |
Simple observations of the diffraction of light | p. 172 |
The nature of light: coherence, scattering and interference | p. 177 |
Analysis of the geometry of diffraction patterns from gratings and nets | p. 180 |
The resolving power of optical instruments: the telescope, camera, microscope and the eye | p. 187 |
Exercises | p. 197 |
X-ray diffraction: the contributions of Max von Laue, W. H. and W. L. Bragg and P. P. Ewald | p. 198 |
Introduction | p. 198 |
Laue's analysis of X-ray diffraction: the three Laue equations | p. 199 |
Bragg's analysis of X-ray diffraction: Bragg's law | p. 202 |
Ewald's synthesis: the reflecting sphere construction | p. 204 |
Exercises | p. 209 |
The diffraction of X-rays | p. 210 |
Introduction | p. 210 |
The intensities of X-ray diffracted beams: the structure factor equation and its applications | p. 214 |
The broadening of diffracted beams: reciprocal lattice points and nodes | p. 223 |
The Scherrer equation: reciprocal lattice points and nodes | p. 223 |
Integrated intensity and its importance | p. 227 |
Crystal size and perfection: mosaic structure and coherence length | p. 227 |
Fixed ¿, varying ¿ X-ray techniques: the Lane method | p. 228 |
Fixed ¿, varying ¿ X-ray techniques: oscillation, rotation and precession methods | p. 231 |
The oscillation method | p. 232 |
The rotation method | p. 234 |
The precession method | p. 235 |
X-ray diffraction from single crystal thin films and multilayers | p. 239 |
X-ray (and neutron) diffraction from ordered crystals | p. 243 |
Practical considerations: X-ray sources and recording techniques | p. 246 |
The generation of X-rays in X-ray tubes | p. 247 |
Synchrotron X-ray generation | p. 248 |
X-ray recording techniques | p. 249 |
Exercises | p. 249 |
X-ray diffraction of polycrystalline materials | p. 252 |
Introduction | p. 252 |
The geometrical basis of polycrystalline (powder) X-ray diffraction techniques | p. 253 |
Intensity measurement in the X-ray diffractometer | p. 258 |
Back reflection and Debye-Scherrer powder techniques | p. 260 |
Some applications of X-ray diffraction techniques in polycrystalline materials | p. 262 |
Accurate lattice parameter measurements | p. 262 |
Identification of unknown phases | p. 263 |
Measurement of crystal (grain) size | p. 266 |
Measurement of internal elastic strains | p. 266 |
Preferred orientation (texture, fabric) and its measurement | p. 267 |
Fibre textures | p. 268 |
Sheet textures | p. 269 |
X-ray diffraction of DNA: simulation by light diffraction | p. 272 |
The Rietveld method for structure refinement | p. 277 |
Exercises | p. 280 |
Electron diffraction and its applications | p. 283 |
Introduction | p. 283 |
The Ewald reflecting sphere construction for electron diffraction | p. 284 |
The analysis of electron diffraction patterns | p. 288 |
Applications of electron diffraction | p. 290 |
Determining orientation relationships between crystals | p. 290 |
Identification of polycrystalline materials | p. 292 |
Identification of quasiperiodic crystals (quasicrystals) | p. 292 |
Kikuchi and electron backscattered diffraction (EBSD) patterns | p. 294 |
Kikuchi patterns in the TEM | p. 294 |
Electron backscattered diffraction (EBSD) patterns in the SEM | p. 298 |
Image formation and resolution in the TEM | p. 300 |
Exercises | p. 304 |
The stereographic projection and its uses | p. 308 |
Introduction | p. 308 |
Construction of the stereographic projection of a cubic crystal | p. 311 |
Manipulation of the stereographic projection: use of the Wulff net | p. 314 |
Stereographic projections of non-cubic crystals | p. 317 |
Applications of the stereographic projection | p. 320 |
Representation of point group symmetry | p. 320 |
Representation of orientation relationships | p. 322 |
Representation of preferred orientation (texture or fabric) | p. 323 |
Trace analysis | p. 325 |
Exercises | p. 328 |
Fourier analysis in diffraction and image formation | p. 329 |
Introduction-Fourier series and Fourier transforms | p. 329 |
Fourier analysis in crystallography | p. 332 |
X-ray resolution of a crystal structure | p. 337 |
The structural analysis of crystals and molecules | p. 338 |
Trial and error methods | p. 339 |
The Patterson function: Patterson or vector maps | p. 340 |
Interpretation of Patterson maps: heavy atom and isomorphous replacement techniques | p. 346 |
Direct methods | p. 348 |
Charge flipping | p. 349 |
Analysis of the Fraunhofer diffraction pattern from a grating | p. 350 |
Abbe theory of image formation | p. 356 |
The physical properties of crystals and their description by tensors | p. 362 |
Introduction | p. 362 |
Second rank tensor properties | p. 363 |
General expression for a second rank tensor relating two vectors | p. 363 |
Simplification of second rank tensor equations: principal axes | p. 366 |
Representation of second rank tensor properties: the representation quadric | p. 366 |
Neumann's principle | p. 368 |
Pyroelectricity and ferroelectricity | p. 369 |
Second rank tensors that describe stress and strain | p. 369 |
The stress tensor: principal axes (eigenvectors) and principal values (eigenvalues) | p. 369 |
The strain tensor, Neumann's principle, and thermal expansion | p. 372 |
Atomic displacement parameters (ADPs) | p. 374 |
The optical properties of crystals | p. 374 |
Third rank tensors: piezoelectricity | p. 379 |
Fourth rank tensor properties: elasticity | p. 380 |
Exercises | p. 382 |
Computer programs, models and model-building in crystallography | p. 385 |
Polyhedra in crystallography | p. 393 |
Biographical notes on crystallographers and scientists mentioned in the text | p. 403 |
Some useful crystallographic relationships | p. 449 |
A simple introduction to vectors and complex numbers and their use in crystallography | p. 452 |
Systematic absences (extinctions) in X-ray diffraction and double diffraction in electron diffraction patterns | p. 459 |
Group theory in crystallography | p. 469 |
Answers to exercises | p. 481 |
Further Reading | p. 497 |
Index | p. 507 |
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