Physical Properties of Crystals |
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Page 121
... hexagonal systems . The direct inspection method used above is the most convenient one to use in deducing the conditions imposed on the moduli in all the classes except those belonging to the trigonal and hexagonal systems . This is ...
... hexagonal systems . The direct inspection method used above is the most convenient one to use in deducing the conditions imposed on the moduli in all the classes except those belonging to the trigonal and hexagonal systems . This is ...
Page 281
... hexagonal : Oz parallel to the 6 - fold axis ; a = bc , α = B = 90 ° , y = The trigonal and hexagonal systems , having similar sets of axes , are sometimes regarded as forming a single system . In some systems ( for example , the tetra ...
... hexagonal : Oz parallel to the 6 - fold axis ; a = bc , α = B = 90 ° , y = The trigonal and hexagonal systems , having similar sets of axes , are sometimes regarded as forming a single system . In some systems ( for example , the tetra ...
Page 283
... hexagonal crystals the indicatrix is an ellipsoid of revolution and has only one circular central section . The normal to this section , which is the axis of revolution , is the optic axis . These three systems are therefore said to be ...
... hexagonal crystals the indicatrix is an ellipsoid of revolution and has only one circular central section . The normal to this section , which is the axis of revolution , is the optic axis . These three systems are therefore said to be ...
Contents
THE GROUNDWORK OF CRYSTAL PHYSICS | 11 |
EQUILIBRIUM PROPERTIES | 45 |
PARAMAGNETIC AND DIAMAGNETIC SUSCEPTIBILITY | 53 |
20 other sections not shown
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