## Introduction to Solid State Physics |

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Page 125

Above the

small, and we may neglect the terms in P3 and PB, so that the susceptibility is dP

1 <TM> '<+) - 5 - ,~/ where the + sign denotes that the equation applies above the

...

Above the

**Curie point**in sufficiently weak applied fields the polarization will besmall, and we may neglect the terms in P3 and PB, so that the susceptibility is dP

1 <TM> '<+) - 5 - ,~/ where the + sign denotes that the equation applies above the

...

Page 127

Proceeding in the usual manner, we find for the susceptibility above the

not vanish at the

we ...

Proceeding in the usual manner, we find for the susceptibility above the

**Curie****point**(7.17) x(+) = -^-7 gi-f as for case A, with the difference that now f — gi doesnot vanish at the

**Curie point**. At the**Curie point**, but on the low temperature side,we ...

Page 161

The susceptibility above the

law (9.4) holds if we take as the magnetic field the sum of the applied field H and

the Weiss field HE. Then (10.4) or (10.5) M _ C H + \M ~ T' _ M. _ c ~ H ~ T - C\ ...

The susceptibility above the

**Curie point**is deduced by postulating that the Curielaw (9.4) holds if we take as the magnetic field the sum of the applied field H and

the Weiss field HE. Then (10.4) or (10.5) M _ C H + \M ~ T' _ M. _ c ~ H ~ T - C\ ...

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### Contents

LATTICE ENERGY OF IONIC CRYSTALS | 29 |

ELASTIC CONSTANTS OF CRYSTALS | 43 |

LATTICE VIBRATIONS | 60 |

Copyright | |

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alkali alloy antiferromagnetic applied approximation atoms axes axis barium titanate boundary Brillouin zones calculated charge coefficient conduction band consider crystal structure cube cubic crystal Curie point curve Debye density diamagnetic dielectric constant diffraction dipole direction discussed dislocation displacement distribution domain effect elastic electric field entropy equation equilibrium experimental F-centers factor Fermi ferroelectric ferromagnetic free electron frequency heat capacity holes impurity interaction ionic crystals ions lattice constant lattice points London low temperatures magnetic field mean free path metals molecules motion nearest neighbor normal observed orbital parallel paramagnetic particles perovskite phonons Phys physical plane polarizability polarization positive potential Proc quantum ratio region resonance result room temperature rotation scattering Seitz shear Shockley shown in Fig simple cubic single crystal sodium chloride solids specimen spin superconducting susceptibility symmetry theory thermal tion unit cell unit volume valence values vector velocity wave functions wavelength x-ray zero