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 |
3 | 29 |
EQUILIBRIUM PROPERTIES | 51 |
23 other sections not shown
Common terms and phrases
angle anisotropic applied axial B₁ biaxial birefringence centre of symmetry Chapter coefficients components conductivity constant crystal classes crystal properties crystal symmetry cube cubic crystals D₁ defined denoted diad axis dielectric dijk direction cosines displacement electric field ellipsoid equal equation example expression follows forces given grad H₁ H₂ heat flow Hence hexagonal indicatrix isothermal isotropic k₁ magnetic magnitude matrix notation measured moduli monoclinic number of independent Onsager's Principle optic axis optical activity orientation orthorhombic Ox₁ P₁ parallel Peltier permittivity perpendicular photoelastic photoelastic effect piezoelectric effect plane plate polarization positive principal axes produced pyroelectric effect quadric radius vector referred refractive index relation representation quadric represents right-handed rotation S₁ scalar second-rank tensor shear shown strain stress symmetry elements Table temperature gradient thermal expansion thermodynamics thermoelectric effects Thomson heat tion transformation law triclinic trigonal uniaxial values wave normal x₁ zero әт