Physical Properties of Crystals |
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Page 23
... quadric to be a surface of revolution about it . The quadric will then automatically possess all the other symmetry elements that are found in the various classes of these three systems : rotation diad axes normal to the principal axis ...
... quadric to be a surface of revolution about it . The quadric will then automatically possess all the other symmetry elements that are found in the various classes of these three systems : rotation diad axes normal to the principal axis ...
Page 24
... quadric parallel to the crystallographic diad axis , and we notice that , when this is done , the quadric has all the symmetry elements that are found in the classes of the monoclinic system . Apart from the one fixed axis , though ...
... quadric parallel to the crystallographic diad axis , and we notice that , when this is done , the quadric has all the symmetry elements that are found in the classes of the monoclinic system . Apart from the one fixed axis , though ...
Page 89
... quadric at Q. The plane of the figure is that central cross - section of the quadric which contains both p and 1. The element SS and the tan- gent plane are seen edge on . The representation quadric for o ;; ( Ch . I , § 4 ) is called ...
... quadric at Q. The plane of the figure is that central cross - section of the quadric which contains both p and 1. The element SS and the tan- gent plane are seen edge on . The representation quadric for o ;; ( Ch . I , § 4 ) is called ...
Contents
THE GROUNDWORK OF CRYSTAL PHYSICS | 11 |
EQUILIBRIUM PROPERTIES | 45 |
PARAMAGNETIC AND DIAMAGNETIC SUSCEPTIBILITY | 53 |
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Common terms and phrases
angle anisotropic applied biaxial birefringence centre of symmetry Chapter coefficients components conductivity constant crystal classes crystal properties crystal symmetry cube cubic crystals D₁ defined deformation denoted diad axis dielectric dijk displacement electric field ellipsoid equal equation example expression follows forces given grad H₁ 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 pyroelectric effect quadric radius vector referred refractive index relation representation quadric represents right-handed rotation S₁ scalar second-rank tensor shear shown strain stress suffixes symmetry elements Table temperature gradient thermal expansion thermodynamics thermoelectric effects Thomson heat tion transformation law triclinic trigonal uniaxial values wave normal wave surface x₁ Young's Modulus zero ат