## Introduction to Solid State Physics |

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Page 83

the excitation of phonons is proportional to T . At low temperatures Peierls finds A

an appropriate temperature range by Berman , Simon , and Wilks , 11 as shown ...

the excitation of phonons is proportional to T . At low temperatures Peierls finds A

**approximately**proportional to e / 27 , and this has been**approximately**verified inan appropriate temperature range by Berman , Simon , and Wilks , 11 as shown ...

Page 222

In the Bardeen theory the criterion is ,

p is the resistivity at 20°C in esu , and n is the number of valence electrons per

cubic centimeter . The comparison with experimental results shows that the ...

In the Bardeen theory the criterion is ,

**approximately**, ( 11 . 54 ) np > 100 , wherep is the resistivity at 20°C in esu , and n is the number of valence electrons per

cubic centimeter . The comparison with experimental results shows that the ...

Page 372

The mean free path is

14 . 27 ) , apart from a constant of the order of unity , follows from ( Q . 4 ) and ( Q .

5 ) after averaging over a Maxwellian distribution and making certain minor ...

The mean free path is

**approximately**( Q : 5 ) A = 2d / ( 1 – cos 6 ) . The mobility (14 . 27 ) , apart from a constant of the order of unity , follows from ( Q . 4 ) and ( Q .

5 ) after averaging over a Maxwellian distribution and making certain minor ...

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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