## Solid state physics |

### From inside the book

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Page 17

Consider a crystal of iron (Fe). Find the distance between adjacent atoms in the [

100] direction. Repeat for the [110] and [i11] directions. Find the distance

between the (100) planes. Repeat for the (110) planes.

2.48 A, ...

Consider a crystal of iron (Fe). Find the distance between adjacent atoms in the [

100] direction. Repeat for the [110] and [i11] directions. Find the distance

between the (100) planes. Repeat for the (110) planes.

**Answer**: 2.86 A, 4.04 A,2.48 A, ...

Page 47

Problem 2-6. Consider a set of crystal planes which are separated by 1.95 A. If

we use x rays of wavelength A = 1.542 A, find all possible Bragg angles for

reflection from these planes.

angle ...

Problem 2-6. Consider a set of crystal planes which are separated by 1.95 A. If

we use x rays of wavelength A = 1.542 A, find all possible Bragg angles for

reflection from these planes.

**Answer**: 23°, 52°. Problem 2-7. We observe a Braggangle ...

Page 209

Calculate the conductivity of pure Si at 300 K due to (a) the electrons, (b) the

holes, and (c) the electrons and holes together.

5/n-m, 2.8 x 10"4/n-m. Problem 10-14. Calculate the conductivity of the n-type Si ...

Calculate the conductivity of pure Si at 300 K due to (a) the electrons, (b) the

holes, and (c) the electrons and holes together.

**Answer**: 2.1 x 10-4/fi-m, 7.5 x 10"5/n-m, 2.8 x 10"4/n-m. Problem 10-14. Calculate the conductivity of the n-type Si ...

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### Contents

XRay Diffraction | 37 |

Lattice Vibrations | 61 |

Classical Model of Metals | 89 |

Copyright | |

12 other sections not shown

### Common terms and phrases

Answer Appendix basis vectors bcc lattice bond Bragg angle Bragg's Law Bravais lattice Brillouin zone called Chapter collisions conduction electrons Consider conventional unit cell Cooper pairs depletion layer diode direction dispersion curve displacement distance doped effective mass elec electric current electric field electrons and holes emitter energy band equal example Fermi energy Fermi level Fermi surface force forward biased free electron free particle frequency given by Eq inside integers ions k-space laser lattice parameter lattice points lattice vector lattice wave magnetic field n-type semiconductor NaCl negative neutrons number of electrons obtain occupied one-dimensional oscillate p-n junction photon positively charged potential energy primitive unit cell Problem rays reciprocal lattice reverse biased sc lattice scattered Schroedinger's equation shown in Fig sodium metal solid structure superconductor temperature tion transistor trons unit cell unoccupied values velocity voltage wave function wave number wave vector wavelength Wigner-Seitz cell wire x-ray diffraction zero