Physical Properties of Crystals |
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Page 263
... birefringence . We must now ask : if this effect can occur when light is transmitted along an optic axis in bire- fringent crystals , what new effects will appear when the light is trans- mitted in other directions ? In this case the ...
... birefringence . We must now ask : if this effect can occur when light is transmitted along an optic axis in bire- fringent crystals , what new effects will appear when the light is trans- mitted in other directions ? In this case the ...
Page 268
... birefringence ( n ' - n " ) is also very small , that is , unless we are very close to an optic axis . For example , in a favourable case the birefringence in a direction far from an optic axis might be 10-2 . Then tan ẞ = 10-4 / 10-210 ...
... birefringence ( n ' - n " ) is also very small , that is , unless we are very close to an optic axis . For example , in a favourable case the birefringence in a direction far from an optic axis might be 10-2 . Then tan ẞ = 10-4 / 10-210 ...
Page 274
... birefringence ) . k , the ratio of minor to major axis of the ellipses defining the privileged vibrations , is given through the parameter ẞ by k = tan 18 , tan B = G ñ ( n ' — n ′′ ) ' ( 10 ) , ( 12 ) Equation ( 8 ) suggests the ...
... birefringence ) . k , the ratio of minor to major axis of the ellipses defining the privileged vibrations , is given through the parameter ẞ by k = tan 18 , tan B = G ñ ( n ' — n ′′ ) ' ( 10 ) , ( 12 ) Equation ( 8 ) suggests the ...
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