## Physical Properties of Crystals |

### From inside the book

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Page 24

Apart from the one fixed axis, though, the quadric is free to take up any

that is, the shape of the quadric, and one more to decide the

angle ...

Apart from the one fixed axis, though, the quadric is free to take up any

**orientation**. We need three numbers to specify the lengths of the quadric axes,that is, the shape of the quadric, and one more to decide the

**orientation**(say theangle ...

Page 62

The small couple due to the effect of shape and

Strictly speaking, the H in equation (19) is Ha while the H in equation (20) is H.

Thus, when the small field H. produced by the crystal itself is taken into account, ...

The small couple due to the effect of shape and

**orientation**in a uniform field.Strictly speaking, the H in equation (19) is Ha while the H in equation (20) is H.

Thus, when the small field H. produced by the crystal itself is taken into account, ...

Page 276

Lattice and unit cell. A lattice is an infinite array of evenly spaced points which are

all similarly situated; points are regarded as similarly situated if the rest of the

lattice appears the same, and in the same

Lattice and unit cell. A lattice is an infinite array of evenly spaced points which are

all similarly situated; points are regarded as similarly situated if the rest of the

lattice appears the same, and in the same

**orientation**, when viewed from them.### What people are saying - Write a review

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### Contents

THE GROUND WORK OF CRYSTAL PHYSICS | 3 |

Summary | 29 |

EQUILIBRIUM PROPERTIES | 45 |

47 other sections not shown

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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