Introduction to Solid State PhysicsProblems after each chapter. |
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Page 536
... SHEAR STRENGTH OF SINGLE CRYSTALS Frenkel gave a simple method of estimating the theoretical shear strength of a perfect crystal . Referring to Fig . 19.1 , we consider the force needed to shear two planes of atoms past each other . In ...
... SHEAR STRENGTH OF SINGLE CRYSTALS Frenkel gave a simple method of estimating the theoretical shear strength of a perfect crystal . Referring to Fig . 19.1 , we consider the force needed to shear two planes of atoms past each other . In ...
Page 537
... shear . For small this relation reduces to ( 19.1 ) . The critical shear stress oc at Shear stress , σ A a ( a ) B о О О ( b ) Displacement , x Fig . 19.1 . ( a ) Relative shear of two planes of atoms ( shown in cross section ) in a ...
... shear . For small this relation reduces to ( 19.1 ) . The critical shear stress oc at Shear stress , σ A a ( a ) B о О О ( b ) Displacement , x Fig . 19.1 . ( a ) Relative shear of two planes of atoms ( shown in cross section ) in a ...
Page 538
... shear strength to about G / 30 , corresponding to a critical shear strain of about 2 degrees.3 TABLE 19.1 . COMPARISON OF SHEAR MODULUS AND ELASTIC LIMIT ( After Mott ) Shear Modulus G ( dynes / cm2 ) 1.9 X 1011 Elastic Limit B ( dynes ...
... shear strength to about G / 30 , corresponding to a critical shear strain of about 2 degrees.3 TABLE 19.1 . COMPARISON OF SHEAR MODULUS AND ELASTIC LIMIT ( After Mott ) Shear Modulus G ( dynes / cm2 ) 1.9 X 1011 Elastic Limit B ( dynes ...
Contents
DIFFRACTION OF XRAYS BY CRYSTALS | 44 |
CLASSIFICATION OF SOLIDS LATTICE ENERGY | 63 |
ELASTIC CONSTANTS OF CRYSTALS | 85 |
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absorption acceptors alkali alloys approximately atoms axes axis barium titanate boundary Bragg Brillouin zone calculated chapter charge conduction band conduction electrons crystal structure cube cubic Curie point Debye density dielectric constant diffraction diffusion dipole direction discussion dislocation distribution domain effective mass elastic electric field energy equation equilibrium exciton experimental F centers factor Fermi ferroelectric ferromagnetic free electron frequency germanium given heat capacity hexagonal holes impurity interaction ionization ions lattice constant lattice point levels low temperatures magnetic field magnetic moment metals molecules motion nearest neighbor normal observed p-n junction paramagnetic particles phonons Phys physics plane polarizability polarization positive potential Proc region resonance result room temperature rotation semiconductor Shockley shown in Fig sodium chloride solid solution space group specimen spin superconducting surface susceptibility symmetry Table theory tion transition unit volume vacancies valence band values vector velocity wave functions wavelength x-ray zero