## Physical Properties of Crystals: Their Representation by Tensors and Matrices |

### From inside the book

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Page xiii

In such cases the crystals are said to be

The problem then arises of how to specify the value of a crystal property that can

depend upon direction — clearly, a single number will not suffice. There is also ...

In such cases the crystals are said to be

**anisotropic**for the property in question.The problem then arises of how to specify the value of a crystal property that can

depend upon direction — clearly, a single number will not suffice. There is also ...

Page xiv

potentially

they are isotropic. All crystals are

book, then, we study how to specify the physical properties of crystals; a large ...

potentially

**anisotropic**, and then we can go on to prove that, for certain properties,they are isotropic. All crystals are

**anisotropic**for some of their properties. In thisbook, then, we study how to specify the physical properties of crystals; a large ...

Page 4

The relation between the electric current density j and the electric field E in (a) an

isotropic conductor and (6) an

Ohm's Law, j is parallel to E (Fig. 1.1 «), and the magnitude of j is proportional to

the ...

The relation between the electric current density j and the electric field E in (a) an

isotropic conductor and (6) an

**anisotropic**conductor. is isotropic and obeysOhm's Law, j is parallel to E (Fig. 1.1 «), and the magnitude of j is proportional to

the ...

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### Contents

THE GROUNDWORK OF CRYSTAL PHYSICS | 3 |

EQUILIBRIUM PROPERTIES | 51 |

ELECTRIC POLARIZATION | 68 |

69 other sections not shown

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### Common terms and phrases

angle anisotropic applied biaxial birefringence centre of symmetry Chapter coefficients conductivity crystal classes crystal properties crystal symmetry cube cubic crystals defined denoted diad axis dijk direction cosines electric field electro-optical effect ellipsoid equal equation example expression follows force given gives heat flow Hence hexagonal indicatrix isothermal isotropic lattice left-handed magnetic magnitude matrix notation measured moduli monoclinic number of independent Onsager's Principle optic axis optical activity orientation permittivity perpendicular photoelastic effect piezoelectric effect plane plate point group positive principal axes produced pyroelectric effect quadric quantities radius vector referred refractive index relation representation quadric represents right-handed rotation scalar second-rank tensor set of axes shear shown shows strain stress suffix notation symbol symmetry elements Table temperature gradient thermal expansion thermodynamics thermoelectric effects Thomson heat tion transformation law trigonal uniaxial unit volume values wave normal wave surface written zero