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

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Page 56

The principal susceptibilities of diamagnetic and paramagnetic crystals are

usually in the neighbourhood of — 10-5 and -f-10-6 respectively; a few values

are

crystals ...

The principal susceptibilities of diamagnetic and paramagnetic crystals are

usually in the neighbourhood of — 10-5 and -f-10-6 respectively; a few values

are

**given**in Table 4. Table 4 Susceptibilities of paramagnetic and diamagneticcrystals ...

Page 142

We now see that the elastic properties of cubic crystals,

tensors, are not isotropic. (iv) Numerical example. For a numerical example we

choose ammonium dihydrogen phosphate (ADP) (class 12m). This was the

crystal for ...

We now see that the elastic properties of cubic crystals,

**given**by fourth-ranktensors, are not isotropic. (iv) Numerical example. For a numerical example we

choose ammonium dihydrogen phosphate (ADP) (class 12m). This was the

crystal for ...

Page 278

(iii) glide plane: an operation in which each point is moved to the position of its

mirror image in a certain plane, and then translated parallel to this plane. (iv) n-

fold rotation axis: a rotation of 2n/n about a

integer.

(iii) glide plane: an operation in which each point is moved to the position of its

mirror image in a certain plane, and then translated parallel to this plane. (iv) n-

fold rotation axis: a rotation of 2n/n about a

**given**axis, where n is a positiveinteger.

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### Contents

THE GROUNDWORK OF CRYSTAL PHYSICS | 3 |

EQUILIBRIUM PROPERTIES | 51 |

ELECTRIC POLARIZATION | 68 |

69 other sections not shown

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### Common terms and phrases

angle anisotropic applied biaxial birefringence centre of symmetry Chapter coefficients conductivity crystal classes crystal properties crystal symmetry cube cubic crystals defined denoted diad axis dijk direction cosines electric field electro-optical effect ellipsoid equal equation example expression follows force given gives heat flow Hence hexagonal indicatrix isothermal isotropic lattice left-handed magnetic magnitude matrix notation measured moduli monoclinic number of independent Onsager's Principle optic axis optical activity orientation permittivity perpendicular photoelastic effect piezoelectric effect plane plate point group positive principal axes produced pyroelectric effect quadric quantities radius vector referred refractive index relation representation quadric represents right-handed rotation scalar second-rank tensor set of axes shear shown shows strain stress suffix notation symbol 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