Physical Properties of Crystals: Their Representation by Tensors and Matrices |
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Page 20
... symmetry of its physical properties . The key to this question is a fundamental postulate of crystal physics , known as Neumann's Principle . It may be stated as follows : The symmetry elements of any physical property of a crystal must ...
... symmetry of its physical properties . The key to this question is a fundamental postulate of crystal physics , known as Neumann's Principle . It may be stated as follows : The symmetry elements of any physical property of a crystal must ...
Page 21
... element or not . First we measure the property relative to some fixed axes . Then we operate with the potential symmetry element on the crystal , † and again investigate the relation between the measured quantities , taking our ...
... element or not . First we measure the property relative to some fixed axes . Then we operate with the potential symmetry element on the crystal , † and again investigate the relation between the measured quantities , taking our ...
Page 278
... symmetry are related as the object and its image in a plane mirror . A list of symmetry elements into which the symmetry of any array can be analysed , together with the operation asso- ciated with each element , is as follows : ( i ) ...
... symmetry are related as the object and its image in a plane mirror . A list of symmetry elements into which the symmetry of any array can be analysed , together with the operation asso- ciated with each element , is as follows : ( i ) ...
Contents
THE GROUNDWORK OF CRYSTAL PHYSICS | 3 |
EQUILIBRIUM PROPERTIES | 51 |
ELECTRIC POLARIZATION | 68 |
18 other sections not shown
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 dijk direction cosines dummy suffix elastic electric field ellipsoid equation example force given grad H₁ H₂ heat flow Hence hexagonal homogeneous indicatrix isothermal isotropic k₁ magnetic magnitude matrix notation measured moduli monoclinic number of independent Onsager's Principle optical activity orientation orthorhombic Ox₁ P₁ parallel Peltier permittivity perpendicular photoelastic effect piezoelectric effect plane plate polarization principal axes produced pyroelectric pyroelectric effect quantities radius vector referred refractive index relation representation quadric represented right-handed rotation S₁ scalar second-rank tensor set of axes shear strain stress suffix notation surface susceptibility symmetry elements Table temperature gradient thermal expansion thermodynamics thermoelectric effects Thomson heat tion transformation law triclinic trigonal uniaxial values x₁ Young's Modulus zero