## Physical Properties of Crystals |

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Page 218

The second law of thermostatics (written as an equality) cannot be applied to the

thermoelectric effects because of the irreversible processes of

and electrical conduction that inevitably accompany them.

The second law of thermostatics (written as an equality) cannot be applied to the

thermoelectric effects because of the irreversible processes of

**heat**conductionand electrical conduction that inevitably accompany them.

**Thomson**proceeded ...Page 229

the temperature gradient; since temperature gradients not in the direction of the

current are relevant now, we have a transverse

normal

the temperature gradient; since temperature gradients not in the direction of the

current are relevant now, we have a transverse

**Thomson heat**, in addition to thenormal

**Thomson heat**. The complete expression for the**Thomson heat**evolved ...Page 322

Joule heat, 204, 217, 221, 226. order of magnitude of effects, 224. Peltier heat,

215, 217–19, 222–3, 226–8. Seebeck effect, 215, 222, 225. thermoelectric power

, 217.

Joule heat, 204, 217, 221, 226. order of magnitude of effects, 224. Peltier heat,

215, 217–19, 222–3, 226–8. Seebeck effect, 215, 222, 225. thermoelectric power

, 217.

**Thomson heat**, 2.15–16, 218, 223, 228–9.**Thomson heat**tensor, 229.### What people are saying - Write a review

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### Contents

THE GROUND WORK OF CRYSTAL PHYSICS | 3 |

Summary | 29 |

EQUILIBRIUM PROPERTIES | 45 |

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### Common terms and phrases

angle anisotropic applied biaxial birefringence centre of symmetry Chapter conductivity constant crystal classes crystal properties crystal symmetry cube cubic crystals defined denoted diad axis dielectric direction cosines displacement elastic compliances electric field electro-optical electro-optical effect ellipsoid equal equation example expression follows forces given gives grad heat flow Hence indicatrix isothermal isotropic magnetic magnitude matrix notation measured moduli Mohr circle monoclinic number of independent Onsager's Principle optic axis optical activity orientation parallel permittivity perpendicular photoelastic effect piezoelectric effect plane plate polarization positive principal axes produced pyroelectric effect quadric radius vector referred refractive index relation representation quadric represents right-handed rotation scalar second-rank tensor shear shown shows strain stress 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