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

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Page 21

It is worth examining more closely what is meant by 'the symmetry of a physical

property'. ... Thus, for example, if we were measuring elasticity and wished to test

for a

...

It is worth examining more closely what is meant by 'the symmetry of a physical

property'. ... Thus, for example, if we were measuring elasticity and wished to test

for a

**centre of symmetry**, we could invert the stresses and strains through a centre...

Page 118

Then the coefficients describing the effect must be the same after transformation

as before. (i)

again a crystal possessing a

Then the coefficients describing the effect must be the same after transformation

as before. (i)

**Centre of symmetry**. To illustrate the method let us first consideragain a crystal possessing a

**centre of symmetry**. The transformation matrix is - ...Page 278

A list of symmetry elements into which the symmetry of any array can be analysed

, together with the operation associated with each element, is as follows: (i)

A list of symmetry elements into which the symmetry of any array can be analysed

, together with the operation associated with each element, is as follows: (i)

**centre of symmetry**: taking an origin of coordinates at the**centre of symmetry**the ...### What people are saying - Write a review

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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