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1、PhysicsofMagnetismandMagneticMaterialsThispageintentionallyleftblankPhysicsofMagnetismandMagneticMaterialsK.H.J.BuschowVanderWaals-ZeemanInstituutUniversiteitvanAmsterdamAmsterdam,TheNetherlandsandF.R.deBoerVanderWaals-ZeemanInstituutUniversiteitvanAmsterdamA
2、msterdam,TheNetherlandsKLUWERACADEMICPUBLISHERSNEWYORK,BOSTON,DORDRECHT,LONDON,MOSCOWeBookISBN:0-306-48408-0PrintISBN:0-306-47421-2©2004KluwerAcademicPublishersNewYork,Boston,Dordrecht,London,MoscowPrint©2003KluwerAcademic/PlenumPublishersNewYorkAllrightsrese
3、rvedNopartofthiseBookmaybereproducedortransmittedinanyformorbyanymeans,electronic,mechanical,recording,orotherwise,withoutwrittenconsentfromthePublisherCreatedintheUnitedStatesofAmericaVisitKluwerOnlineat:http://kluweronline.comandKluwer'seBookstoreat:http://
4、ebooks.kluweronline.comContentsChapter1.Introduction1Chapter2.TheOriginofAtomicMoments32.1.SpinandOrbitalStatesofElectrons32.2.TheVectorModelofAtoms5Chapter3.ParamagnetismofFreeIons113.1.TheBrillouinFunction113.2.TheCurieLaw13References17Chapter4.TheMagnetica
5、llyOrderedState194.1.TheHeisenbergExchangeInteractionandtheWeissField194.2.Ferromagnetism224.3.Antiferromagnetism264.4.Ferrimagnetism34References41Chapter5.CrystalFields435.1.Introduction435.2.Quantum-MechanicalTreatment445.3.ExperimentalDeterminationofCrysta
6、l-FieldParameters505.4.ThePoint-ChargeApproximationandItsLimitations525.5.Crystal-Field-InducedAnisotropy545.6.ASimplifiedViewof4f-ElectronAnisotropy56References57Chapter6.Diamagnetism59Reference61vviCONTENTSChapter7.Itinerant-ElectronMagnetism637.1.Introduct
7、ion637.2.SusceptibilityEnhancement657.3.StrongandWeakFerromagnetism667.4.IntersublatticeCouplinginAlloysofRareEarthsand3dMetals70References73Chapter8.SomeBasicConceptsandUnits75References83Chapter9.MeasurementTechniques859.1.TheSusceptibilityBalance859.2.TheF
8、aradayMethod869.3.TheVibrating-SampleMagnetometer879.4.TheSQUIDMagnetometer89References89Chapter10.CaloricEffectsinMagneticMaterials9110.1.TheSpecific-HeatAnomaly9110.2.TheMagnetocaloricE