Introduction to Solid State Physicsproblems after each chapter |
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Page 65
COVALENT CRYSTALS When a covalent bond is formed we imagine that an
electron from each atom is transferred to the region between the two atoms
joined by the bond . In an ionic bond it is a good approximation to think of the
valence ...
COVALENT CRYSTALS When a covalent bond is formed we imagine that an
electron from each atom is transferred to the region between the two atoms
joined by the bond . In an ionic bond it is a good approximation to think of the
valence ...
Page 392
n ++ -11 p - region Potential energy of a hole + n - region ( a ) I , Ig n р + + + ( - ) (
+ ) Potential energy of a hole - > ( b ) n ( + ) ( ( - ) I , Tg Potential energy of a hole -
> ( c ) Distance Fig . 14.8 . Dependence of recombination I , and generation 1 ...
n ++ -11 p - region Potential energy of a hole + n - region ( a ) I , Ig n р + + + ( - ) (
+ ) Potential energy of a hole - > ( b ) n ( + ) ( ( - ) I , Tg Potential energy of a hole -
> ( c ) Distance Fig . 14.8 . Dependence of recombination I , and generation 1 ...
Page 393
is applied to the p region and positive to the n region , so that the potential
difference between the two regions is increased . Now practically no holes can
climb the potential hill , and the recombination current I , drops to a very small
value ; I ...
is applied to the p region and positive to the n region , so that the potential
difference between the two regions is increased . Now practically no holes can
climb the potential hill , and the recombination current I , drops to a very small
value ; I ...
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Contents
DIFFRACTION OF XRAYS BY CRYSTALS | 44 |
CLASSIFICATION OF SOLIDS LATTICE ENERGY | 63 |
ELASTIC CONSTANTS OF CRYSTALS | 85 |
Copyright | |
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alloys applied approximately associated atoms axis band boundary calculated cell chapter charge concentration condition conductivity consider constant crystal cubic density dependence determined dielectric diffusion direction discussion dislocation distribution domain effect elastic electric electron elements energy equal equation equilibrium experimental expression factor field force frequency function germanium give given heat capacity hexagonal holes important impurity increase interaction ionic ions lattice levels London magnetic magnetic field mass material measurements metals method motion normal observed obtained parallel particles Phys physics plane polarization positive possible potential problem properties range reference reflection region relation resistivity result room temperature rotation shown in Fig simple solid solution space space group specimen structure surface symmetry Table temperature theory thermal tion transition unit usually values vector volume wave zero zone