Physical Properties of Crystals |
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Page 199
... grad T -grad T C -grad T FIG . 11.2 . Heat flow down a long rod . The directions of -grad T and h in relation to ( a ) the rod , ( b ) the resistivity ellipsoid , and ( c ) the conductivity ellipsoid . temperature gradient must ...
... grad T -grad T C -grad T FIG . 11.2 . Heat flow down a long rod . The directions of -grad T and h in relation to ( a ) the rod , ( b ) the resistivity ellipsoid , and ( c ) the conductivity ellipsoid . temperature gradient must ...
Page 221
... grad ( TΣ + μ ) − ( TΣ + μ ) div je + div ( k grad T ) . = Since we are only concerned with steady states , div je 0 , and the second term on the right vanishes . We therefore have -div j " = - −je . ( Σ grad T + grad μ ) — Tje . grad ...
... grad ( TΣ + μ ) − ( TΣ + μ ) div je + div ( k grad T ) . = Since we are only concerned with steady states , div je 0 , and the second term on the right vanishes . We therefore have -div j " = - −je . ( Σ grad T + grad μ ) — Tje . grad ...
Page 231
... grad ( 1 / e ) ( 2 grad T + gradμ ) , -- ( 27 ) ' [ from ( 27 ) ] where Σ is a constant for the particular point of the conductor , and the tempera- ture , under consideration . For the rate of evolution of heat per unit volume : Joule ...
... grad ( 1 / e ) ( 2 grad T + gradμ ) , -- ( 27 ) ' [ from ( 27 ) ] where Σ is a constant for the particular point of the conductor , and the tempera- ture , under consideration . For the rate of evolution of heat per unit volume : Joule ...
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