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

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Page 98

These carry the following meanings: e11, e22, e33 are the extensions per unit

length parallel to Oxl, Oxi, Ox3 respectively, e12 is the

Oxl of a line element parallel to Ox2, e21 is the

...

These carry the following meanings: e11, e22, e33 are the extensions per unit

length parallel to Oxl, Oxi, Ox3 respectively, e12 is the

**rotation**about Ox3 towardsOxl of a line element parallel to Ox2, e21 is the

**rotation**about Oxs towards Ox2 of...

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

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.

Page 280

The names of the' systems, together with the characteristics required for

membership, are as follows: (i) triclinic: no symmetry other than a 1-fold axis (

orthorhombic: ...

The names of the' systems, together with the characteristics required for

membership, are as follows: (i) triclinic: no symmetry other than a 1-fold axis (

**rotation**or inverse); (ii) monoclinic: a single 2-fold axis (**rotation**or inverse); (iii)orthorhombic: ...

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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