## Introduction to Solid State Physics |

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Page 37

( dR / dV ) ? . At the

2 . 9 ) 1 . : 1 _ ( d ' U ) K = 18NR . ... 2 ) we have U = N ( 1 : - ) so that het e [ n ( #

134 x _ e At

...

( dR / dV ) ? . At the

**equilibrium**separation , R = Ro and dU / dR is zero , so that (2 . 9 ) 1 . : 1 _ ( d ' U ) K = 18NR . ... 2 ) we have U = N ( 1 : - ) so that het e [ n ( #

134 x _ e At

**equilibrium**, using Eq . ( 2 . 4 ) to eliminate And , we have ( do ) N ( m...

Page 294

It is not possible for the electrons and holes to remain separated in this way

unless an electric field exists in the junction region of the crystal in

without an electric field the electrons and holes would intermix by diffusion .

It is not possible for the electrons and holes to remain separated in this way

unless an electric field exists in the junction region of the crystal in

**equilibrium**—without an electric field the electrons and holes would intermix by diffusion .

Page 318

ground state : thus the absorption occurs from A to B , rather than from A to C .

After the transition a rearrangement of the neighboring ions takes place with the

system ending up at the

...

ground state : thus the absorption occurs from A to B , rather than from A to C .

After the transition a rearrangement of the neighboring ions takes place with the

system ending up at the

**equilibrium**position C , the energy difference B - C being...

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### Contents

LATTICE ENERGY OF IONIC CRYSTALS | 29 |

ELASTIC CONSTANTS OF CRYSTALS | 43 |

LATTICE VIBRATIONS | 60 |

Copyright | |

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### Common terms and phrases

alloy applied approximation atoms axes axis band boundary calculated cell chapter charge chloride condition conductivity consider constant crystal cubic defined dependence determined dielectric diffusion direction discussed dislocations displacement distance distribution domains effect elastic electric electron energy equal equation equilibrium example excitation experimental expression factor field force frequency function given gives heat holes interaction ionic ions lattice levels London magnetic magnetic field material mean measurements mechanism metals method molecules motion negative neighbor normal observed obtained parallel particles Phys physical plane polarization positive possible potential problem properties quantum range reference reflection region relation resistivity result room temperature scattering Show shown in Fig sodium solids space specimen stress structure suppose Table temperature theory thermal tion transition unit usually vacancy values volume wave zero