## Introduction to Solid State Physics |

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Page 23

Writing U ( r ) dr = 4wr4p ( r ) dr as the probability that an electron lies ur

normal to the

sin MT dr ...

Writing U ( r ) dr = 4wr4p ( r ) dr as the probability that an electron lies ur

**Scattering**plane Fig . 1 . 16 . Calculation of the atomic**scattering**factor f . Thenormal to the

**scattering**plane is S . between radii r and r + dr , we have ( 1 . 11 )sin MT dr ...

Page 264

where B is the amplitude ; 10 we suppose that r is sufficiently far from ro so that in

the vicinity of r the

or more of the ions is displaced from its regular position do we get

where B is the amplitude ; 10 we suppose that r is sufficiently far from ro so that in

the vicinity of r the

**scattered**wave may ' be treated as a plane wave ... Only if oneor more of the ions is displaced from its regular position do we get

**scattering**.Page 282

73 MOBILITY IN THE PRESENCE OF IMPURITY ATOMS When relatively few

impurity atoms are present , or at high temperatures , lattice

determine the mobility . At higher impurity concentrations , electron

impurity ...

73 MOBILITY IN THE PRESENCE OF IMPURITY ATOMS When relatively few

impurity atoms are present , or at high temperatures , lattice

**scattering**willdetermine the mobility . At higher impurity concentrations , electron

**scattering**byimpurity ...

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### Contents

LATTICE ENERGY OF IONIC CRYSTALS | 29 |

ELASTIC CONSTANTS OF CRYSTALS | 43 |

LATTICE VIBRATIONS | 60 |

Copyright | |

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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