Introduction to Solid State Physics |
From inside the book
Results 1-3 of 25
Page 74
... approximation " ( 5.11 ) . DEBYE APPROXIMATION IN THREE DIMENSIONS Our first task is to determine w ( k ) , the number of modes between k and k dk . We apply the method of periodic boundary conditions , requiring that the vibrational ...
... approximation " ( 5.11 ) . DEBYE APPROXIMATION IN THREE DIMENSIONS Our first task is to determine w ( k ) , the number of modes between k and k dk . We apply the method of periodic boundary conditions , requiring that the vibrational ...
Page 75
... approximation . 3 A discussion of methods for the determination of a suitable average sound velocity vo to be used in calculating ℗ has been published by Blackman , who also emphasizes that the temperatures at which the T3 approximation ...
... approximation . 3 A discussion of methods for the determination of a suitable average sound velocity vo to be used in calculating ℗ has been published by Blackman , who also emphasizes that the temperatures at which the T3 approximation ...
Page 77
... approximation to the heat capacity . If the total number of atoms is 2N , we treat the N normal modes of the optical branch as equivalent to N simple ... approximation to the entire heat capacity of DEBYE APPROXIMATION IN THREE DIMENSIONS 77.
... approximation to the heat capacity . If the total number of atoms is 2N , we treat the N normal modes of the optical branch as equivalent to N simple ... approximation to the entire heat capacity of DEBYE APPROXIMATION IN THREE DIMENSIONS 77.
Contents
LATTICE ENERGY OF IONIC CRYSTALS | 29 |
ELASTIC CONSTANTS OF CRYSTALS | 43 |
LATTICE VIBRATIONS | 60 |
Copyright | |
13 other sections not shown
Other editions - View all
Common terms and phrases
absorption alkali alloy anisotropy antiferromagnetic approximately atoms axes axis Bardeen barium titanate boundary calculated charge coefficient conduction band cube Curie point Debye density diamagnetic dielectric constant diffraction diffusion dipole direction discussed dislocation displacement domains effect elastic electric field energy entropy equation equilibrium experimental F-centers factor Fermi ferroelectric ferromagnetic free electron frequency given heat capacity holes impurity interaction ionic crystals ionized ions lattice constant lattice points London low temperatures magnetic field magnetic moment metals molecules motion nearest neighbor normal observed optical orbital parallel paramagnetic particles perovskite phonons Phys physical plane polarizability polarization positive potassium potassium chloride potential Proc quantum resonance result room temperature scattering Seitz shear Shockley shown in Fig single crystal sodium chloride solids specimen spin strain stress superconducting surface susceptibility symmetry Table theory thermal tion transition unit volume vacancy valence values vector velocity wave functions x-ray zero