## Introduction to CrystallographyIn this newly revised and updated edition of Hammond's successful and popular text, the reader is introduced to the basic concepts of crystallography. A step-by-step approach provides a clear account of symmetry and crystal structures. The new edition features a final chapter on the geometrical construction of diffraction patterns and a helpful appendix on vectors and their use in crystallography. The book begins with a description of simple crystal lattices and then uses two-dimensional patterns to introduce the concept of symmetry. These ideas are extended to three dimensions, with a discussion of Bravais lattices, crystal systems, and crystal symmetry. Further chapters cover the description of crystal structures in terms of Miller indices and zone axis symbols; the concept of the reciprocal lattice; and diffraction. Clearly illustrated throughout, the book includes study problems, suggestions for further reading, and a range of useful appendices, and will be of interest and value to students at all levels. |

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### Contents

Crystals and crystal structures | 1 |

Twodimensional patterns lattices and symmetry | 21 |

Bravais lattices and crystal systems | 33 |

Copyright | |

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### Common terms and phrases

angle Bragg's Law Bravais lattices ccp structure cell edge lengths Chapter close-packed close-packed layers co-ordinates components corner crystal structures Crystallography cube cubic crystals d-spacings described diad diffracted beams diffraction spots electron diffraction Ewald example faces family of planes geometrical glide lines Hence hexad hexagonal lattice hexagonal layers identical indices and zone interstices interstitial sites inversion axes inversion tetrad lattice planes lattice type Laue equations Miller indices mirror planes models molecules monoclinic motif octahedral octahedron origin orthorhombic parallel path difference perpendicular plane hkl plane indices point group symbol point group symmetry primitive ratio reciprocal lattice points reciprocal lattice section reciprocal lattice vector rectangular reflected beam reflecting planes represented rf-spacings rhombohedral rotation scalar shown in Figure shows simple hexagonal space groups stacking sequence symmetry elements tetragonal tetrahedral tetrahedron three dimensions triad two-dimensional patterns unit cell unit cell vectors wavelength X-ray diffraction y-axis z-axis zone axis symbols