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

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Page 23

For further notes on axial conventions, see Appendix B. of symmetry parallel and

minor axes, are thus sufficient to determine the quadric completely. For writing ...

For further notes on axial conventions, see Appendix B. of symmetry parallel and

**perpendicular**to the principal axis. Two numbers, the lengths of the major andminor axes, are thus sufficient to determine the quadric completely. For writing ...

Page 136

The two faces

other four faces will simply increase in area, but the positions of their centres will

be unchanged. The work done by the forces on these last four faces is therefore ...

The two faces

**perpendicular**to Oxl will move outwards by amounts ^de^, theother four faces will simply increase in area, but the positions of their centres will

be unchanged. The work done by the forces on these last four faces is therefore ...

Page 306

Integrating with respect to t we have We may write where H = H0 exp {MO U -- —I

|, (8) (10) (9) shows that H is represented by a plane wave, in phase with E. (8)

contains the important result that H is

...

Integrating with respect to t we have We may write where H = H0 exp {MO U -- —I

|, (8) (10) (9) shows that H is represented by a plane wave, in phase with E. (8)

contains the important result that H is

**perpendicular**to the plane of 1 and E. This...

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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