Physical Properties of Crystals |
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Page 11
John Frederick Nye. INTRODUCTION THE physical properties of crystals are defined by relations between measurable quantities . Density , for example , is defined from a relation between mass and volume . Now both mass and volume may be ...
John Frederick Nye. INTRODUCTION THE physical properties of crystals are defined by relations between measurable quantities . Density , for example , is defined from a relation between mass and volume . Now both mass and volume may be ...
Page 94
... defined as : increase in length original length ' P'Q ' - PQ PQ Au = Ax The strain at the point P is defined as : Au du e = lim = Ax →→ o Ax • dx ( 1 ) The strain at any point is thus defined simply as the slope of the curves in Figs ...
... defined as : increase in length original length ' P'Q ' - PQ PQ Au = Ax The strain at the point P is defined as : Au du e = lim = Ax →→ o Ax • dx ( 1 ) The strain at any point is thus defined simply as the slope of the curves in Figs ...
Page 175
... definition of tions of ( o , T ) , which we crystal . Hence equation ( 16 ) , ӘФ = - Eij , T = -S . ат σ ( 17 ) Differentiating the first of these equations with respect to T , and the Since only changes in U and S are defined by ...
... definition of tions of ( o , T ) , which we crystal . Hence equation ( 16 ) , ӘФ = - Eij , T = -S . ат σ ( 17 ) Differentiating the first of these equations with respect to T , and the Since only changes in U and S are defined by ...
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