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

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Page 4

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

an

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

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

an

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

Page 142

found to be

given by fourth-rank tensors, are not

numerical example we choose ammonium dihydrogen phosphate (ADP) (class

22m).

found to be

**isotropic**. We now see that the elastic properties of cubic crystals,given by fourth-rank tensors, are not

**isotropic**. (iv) Numerical example. For anumerical example we choose ammonium dihydrogen phosphate (ADP) (class

22m).

Page 215

It is first necessary to discuss thermoelectricity in

Thermoelectric effects in

effects in

circuit is ...

It is first necessary to discuss thermoelectricity in

**isotropic**conductors. 1.Thermoelectric effects in

**isotropic**conductors There are three thermoelectriceffects in

**isotropic**conductors: (i) The thermoelectric e.m.f. (Seebeck effect). If acircuit is ...

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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