## Introduction to Solid State Physicsproblems after each chapter |

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Page 238

... be equal to the number of copper atoms per unit

from the Avogadro number divided by the molar

molecular weight divided by the density , or Molar

... be equal to the number of copper atoms per unit

**volume**, which may be foundfrom the Avogadro number divided by the molar

**volume**. The molar**volume**is themolecular weight divided by the density , or Molar

**volume**= 63 . 5 / 8 . 94 = 7 .Page 258

energy per unit

10 . 83 ) F ( E ) = . " Eg ( E ) dE , we have from ( 10 . 75 ) , at low temperatures , (

10 . 84 ) U = 5 . 5 " Eg ( E ) dE + * * ( 67 ) [ ( Eg ) JEF ( 0 ) 3 , 2 SU , + ( Ep – Ef ( 0 )

...

energy per unit

**volume**is given by ( 10 . 82 ) U = $ . * Ef ( E ) g ( E ) DE . Setting (10 . 83 ) F ( E ) = . " Eg ( E ) dE , we have from ( 10 . 75 ) , at low temperatures , (

10 . 84 ) U = 5 . 5 " Eg ( E ) dE + * * ( 67 ) [ ( Eg ) JEF ( 0 ) 3 , 2 SU , + ( Ep – Ef ( 0 )

...

Page 313

The

correct because the unit cube of

primitive translations a * , b * , c * of the reciprocal lattice are given , according to (

2 .

The

**volume**of the primitive cell is ( 12 . 3 ) V = a b X c = tao ; we see that this iscorrect because the unit cube of

**volume**ao contains two lattice points . Theprimitive translations a * , b * , c * of the reciprocal lattice are given , according to (

2 .

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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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### Common terms and phrases

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 mass material measurements metals method motion normal observed obtained parallel particles Phys physics plane polarization positive possible potential present 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