## Proceedings of the International School of Physics "Enrico Fermi.", Volume 37N. Zanichelli, 1967 - Nuclear physics |

### From inside the book

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Page 93

In this case ferromagnetism is

like » exchange energy being sufficiently large , or to Hund ' s rule alignment of

electrons on the same atom , or a combination of both . To determine the ...

In this case ferromagnetism is

**possible**due to either the « free - electron - gas -like » exchange energy being sufficiently large , or to Hund ' s rule alignment of

electrons on the same atom , or a combination of both . To determine the ...

Page 251

Observed temperature dependence of the internal field at 55 Mn in Fe [ 30 ]

suggests the

couples rather weakly to the Fe matrix [ 31 ] . This weak coupling seems to be

understood ...

Observed temperature dependence of the internal field at 55 Mn in Fe [ 30 ]

suggests the

**possible**existence of a fairly well defined Mn moment whichcouples rather weakly to the Fe matrix [ 31 ] . This weak coupling seems to be

understood ...

Page 425

The condition for the spontaneous formation of a local moment is that the local

susceptibility - 2u . Ī ( 65 ) X11 = 1 + cN ' para local moment

paraj local il moment

...

The condition for the spontaneous formation of a local moment is that the local

susceptibility - 2u . Ī ( 65 ) X11 = 1 + cN ' para local moment

**possible**TV , < 0 )paraj local il moment

**possible**, ( VO ) * be negative . Thus , the line above which...

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### Contents

LOMER Band theory and magnetism | 1 |

PHILLIPS Band theory of transition metals | 22 |

JACCARINO Studies of the hyperfine interaction in transi | 39 |

Copyright | |

19 other sections not shown

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### Common terms and phrases

alloys appearance approximation assume average band becomes bound boundary calculation charge complex computed condition conduction consider contribution correct correlation corresponding coupling curve defined density depends determined direction discussed effect electrons energy equation exchange existence expected expression fact factor Fermi Fermi level Fermi surface ferromagnetic field function given gives Hamiltonian host metal impurity atom increases integral interaction interesting lattice limit localized magnetic matrix elements means method moments normal Note observed obtained occur operator orbital perturbation phase Phys physical plane polarization poles positive possible potential present problem properties range relation replaced represent resonance scattering screening Sect shift shown similar simple single solution spin strong structure temperature theory tion transition metals usual wave wave functions write zero