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

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Page 108

Cone of

surface of revolution about the triad axis. It will be seen from the table (p. 107)

that the expansion coefficient parallel to the triad axis is positive, but that the

other ...

Cone of

**zero**expansion in calcite. In calcite (trigonal) the expansion quadric is asurface of revolution about the triad axis. It will be seen from the table (p. 107)

that the expansion coefficient parallel to the triad axis is positive, but that the

other ...

Page 185

It can be seen from this diagram that, if the conditions were such that P was

always perpendicular to the surfaces, D would always be

depolarizing field caused by the surface polarization charges, would then always

be such ...

It can be seen from this diagram that, if the conditions were such that P was

always perpendicular to the surfaces, D would always be

**zero**; E, which is adepolarizing field caused by the surface polarization charges, would then always

be such ...

Page 211

One of the consequences of not accepting (4) would be that we should have to

assume that the conductivity of a vacuum is not

surface of a crystal perpendicular to x3. In the crystal, if (4) is not accepted, we

have ...

One of the consequences of not accepting (4) would be that we should have to

assume that the conductivity of a vacuum is not

**zero**. To see this, take a flatsurface of a crystal perpendicular to x3. In the crystal, if (4) is not accepted, we

have ...

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### Contents

THE GROUNDWORK OF CRYSTAL PHYSICS | 3 |

EQUILIBRIUM PROPERTIES | 51 |

ELECTRIC POLARIZATION | 68 |

15 other sections not shown

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### Common terms and phrases

angle anisotropic applied axial vector centre of symmetry Chapter coefficients conductivity constant crystal classes crystal properties crystal symmetry cube cubic crystals defined denoted diad axis dielectric direction cosines displacement dummy suffix electric field ellipsoid equal equation example expression follows force given heat flow Hence hexagonal homogeneous indicatrix isothermal isotropic left-handed length longitudinal magnetic magnitude matrix notation measured moduli monoclinic number of independent Onsager's Principle optical activity orientation parallel Peltier permittivity perpendicular photoelastic effect piezoelectric effect plane plate polarization positive principal axes produced pyroelectric pyroelectric effect quantities radius vector referred refractive refractive index relation representation quadric represented right-handed rotation scalar second-rank tensor set of axes shear stress suffix notation surface susceptibility symmetry elements Table temperature gradient tensile stress thermal expansion thermodynamics thermoelectric effects Thomson heat tion transformation law trigonal uniaxial unit volume values written Young's Modulus zero