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

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Page 25

The concept of the

careful definition, because of the lack of parallelism between the vectors involved

. Take electrical conductivity as an example (Fig. 1.7). We apply a field E in a ...

The concept of the

**magnitude**of a property in a given direction is one that needscareful definition, because of the lack of parallelism between the vectors involved

. Take electrical conductivity as an example (Fig. 1.7). We apply a field E in a ...

Page 187

(56) (ii) Electrically clamped, and free, thermal expansion and piezocaloric

coefficients. ^_^ = .^^r^. (67) (iii) Isothermal and adiabatic direct and converse

piezoelectric coeffi- TM«**- d?ik-d$k = -pUTIC"*)^. (58) 4.3. The

effects.

(56) (ii) Electrically clamped, and free, thermal expansion and piezocaloric

coefficients. ^_^ = .^^r^. (67) (iii) Isothermal and adiabatic direct and converse

piezoelectric coeffi- TM«**- d?ik-d$k = -pUTIC"*)^. (58) 4.3. The

**magnitude**of theeffects.

Page 244

The ztik are the electro-optical coefficients and the -ntiu the piezo- optical

coefficients. Typical orders of

volt, 1Ttikl~ 10-12 metres2/newton ( = 10-13 cm2/dyne). [Equation (14) is closely

similar ...

The ztik are the electro-optical coefficients and the -ntiu the piezo- optical

coefficients. Typical orders of

**magnitude**, in m.k.s. units, are: ztik ~ 10-12 metres/volt, 1Ttikl~ 10-12 metres2/newton ( = 10-13 cm2/dyne). [Equation (14) is closely

similar ...

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### Contents

THE GROUNDWORK OF CRYSTAL PHYSICS | 3 |

EQUILIBRIUM PROPERTIES | 51 |

ELECTRIC POLARIZATION | 68 |

15 other sections not shown

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### Common terms and phrases

angle anisotropic applied axial vector centre of symmetry Chapter coefficients conductivity constant crystal classes crystal properties crystal symmetry cube cubic crystals defined denoted diad axis dielectric direction cosines displacement dummy suffix electric field ellipsoid equal equation example expression follows force given heat flow Hence hexagonal homogeneous indicatrix isothermal isotropic left-handed length longitudinal magnetic magnitude matrix notation measured moduli monoclinic number of independent Onsager's Principle optical activity orientation parallel Peltier permittivity perpendicular photoelastic effect piezoelectric effect plane plate polarization positive principal axes produced pyroelectric pyroelectric effect quantities radius vector referred refractive refractive index relation representation quadric represented right-handed rotation scalar second-rank tensor set of axes shear stress suffix notation surface susceptibility symmetry elements Table temperature gradient tensile stress thermal expansion thermodynamics thermoelectric effects Thomson heat tion transformation law trigonal uniaxial unit volume values written Young's Modulus zero