固态磁性导论

作者: [奥] 莫翰（Mohn.P）著

出版社: 世界图书出版公司

出版时间: 2013-01

版次: 1

ISBN: 9787510050466

定价: 39.00

装帧: 平装

开本: 16开

纸张: 胶版纸

页数: 229页

字数: 24千字

正文语种: 英语

分类: 自然科学

3 张插图图片

　　ThepresentgreatlyenlargedversionwasmainlywrittenduringasabbaticalattheuniversityofUppsaladuring2000.Theaimofthebookistopresentalargelyphenomenologicalintroductiontothefieldofsolidstatemagnetismatarelativelyelementarylevel.Thetwobasicconceptsofmagnetisminsolidsnamelythelocalizedandthedelocalizeddescriptionarepresentedastheextremeapproaches.Thetruenatureofmagnetismlies，asofteninlife，somewhereinbetween，sometimesshowingatendencytowardsthemorelocalizedside，sometimestendingtothedelocalizedside.Itisperhapsthismixingofconceptswhichmakesmagnetismappearcomplicatedanddifficult.Anothersourceofconfusionisthedifferentlanguageusedbytheoreticiansandexperimentalists.Ihavetriedveryhardtoclarifytheserathermoresemanticproblemsandtouseauniformnomenclaturethroughoutthebook.Itismybeliefandmyexperiencethattheapproachpresentedhereprovidesausefulintroductionnotonlyforthephysicist，butalsofortheinterestedreadercomingfromfieldslikechenustry，electricalengineeringorevengeo-sciences.Themathematicalconceptsusedarekeptrathersimpleandhardlyevergobeyondanundergraduatecourseinmathematicsforphysicists，chemistsorengineering.SincethebookemergedfromalecturecourseIhavegivenatViennaUniversityofTechnologyforthelast15years，thechaptersinthebookarenotcompletelyself-contained.Thefirst-timereaderisthusadvisedtoreadthechaptersinthesequencethattheyappearinthebook.ItismysincerehopethatafterhavingreadthisbookthereaderwillagreethatforoncetheEncyclopediaBrittanicaisinerrorwhenitstatesFewsubjectsin，sciencearem，oredifficulttoun，derstan，thanmagn.etism，（EncyclopediaBrittanica，15thedition1989）.
　　Thepresentbookdoesnotattempttocoverthewholefieldofsolidstatemagnetism，buttriestoprovideanoverviewbyselectingspecialtopics.Theideaistocreateaninterestinthisfascinatingfieldinwhichquantummechanics，thermodynamicsandcomputersimulationsjoinforcestoexplain"MagnetismintheSolidState". 1.AHistoricalIntroduction

2.ConsequencesofFermiStatistics
2.1QuantumStatisticsofFermions
2.2FreeEnergyoftheFermiGas

3.Paramagnetism
4.EnergyBandsintheCrystal

5.ExperimentalBasisofFerromagnetism
5.1NickelAlloys
5.2IronAlloys
5.3PalladiumAlloys
5.4Iron-NickelAlloys
5.5EffectsofStrongMagneticFields
5.6EffectsofHighPressure
5.7EffectsofFiniteTemperature
5.8SusceptibilityaboveTc
5.8.1Susceptibilityof“ClassicalSpins”
5.9Critical.Exponents
5.10NeutronDiffraction
5.11FurtherExperimentalMethods

6.WeissMolecularFieldModel
6.1Rhodes-WohlfarthPlot

7.HeisenbergModel
7.1MagnonOperators
7.2HeisenbergHamiltonianinMagnonVariables
7.3MagnonDispersionRelation
7.3.1SpecificHeatofMagnons
7.3.2OrderingTemperature
7.4ApproximationsfortheHeisenbergModel
7.4.1IsingModel
7.4.2XYModel
7.4.3MeanFieldSolutionsoftheHeisenbergModel

8.ItinerantElectronsatOK
8.1PauliSusceptibilityoftheItinerantElectrons
8.2SusceptibilityoftheInteractingItinerantElectrons
8.3NonlinearEffects
8.4EffectsofIIighFieldsatOK
8.4.1Non-magneticLimit
8.4.2StrongFerromagnets
8.4.3WeakFerromagnets
8.4.4bccIronandhcpCobalt
8.4.5ExtremelyHighFields
8.4.6Metamagnetism
8.5SusceptibilityofParamagneticAlloys

9.BandGapTheoryofStrongFerromagnetism
9.1MagnetismofAlloys

10.MagnetismandtheCrystalStructure——CovalentMagnetism
10.1CrystalStructureofMn，Fe，Co，andNi
10.2CovalentMagnetism
10.3CovalentPolarization

11.MagneticImpuritiesinanElectronGas
11.1ImpurityPotentialintheJellium
11.2StrongPerturbationsintheJellium
11.3LayerandLineDefects
11.4MagneticImpuritiesandOscillationsoftheMagnetization

12.ItinerantElectronsatT〉O：AHistoricalSurvey
12.1ExcitationsatLowTemperatures
12.1.1StronglyFerromagneticSystems
12.1.2WeaklyFerromagneticSystems
12.2StonerTheoryforaRectangularBand
12.3WeakExcitationswithζ〈〈1

13.HubbardModel
13.1BeyondHartree-Fock

14.LandauTheoryfortheStonerModel
14.1GeneralConsiderations
14.2ApplicationtotheStonerModel

15.CouplingBetweenItinerantandLocalizedMoments

16.OriginoftheMolecularField
16.1Heitler-LondonTheoryfortheExchangeField
16.1.1MagnetismofaSpinCluster
16.1.2SpinwavesforLocalizedElectrons

17.ExchangeandCorrelationinMetals
17.1FreeElectronGas
17.2TightlyBoundElectrons

18.SpinFluctuations
18.1FluctuationsofaThermodynamicalVariable
18.2FluctuationsoftheMagneticMoment
18.3SpecificHeatoftheSpinFluctuations
18.4Magneto-VolumeCoupling
18.5ApplicationsoftheSpinFluctuationModel
18.6ComparingtheSpin-FluctuationandtheStoner-Model

19.SingleParticleExcitationsVersusSpinWaves
20.Landau-GinzburgModelforSpinFluctuations

21.ConclusionandLookout
A.Appendices
A.ConvexityPropertyoftheFreeEnergy
B.DerivationoftheCoefficientain（3.17）
C.QuenchingoftheOrbitalMomentum
D.Propertiesof“Classical”Spins
E.DerivationoftheConstantcin（8.24）
F.Ornstein-ZernickeExtension
G.Bogoliubov-Peierls-FeynmanInequality
H.TheFactor2inEquation（7.27）
I.Hund‘sRules
J.PolynomialCoefficientsin（18.12）
K.ConversionBetweenMagneticUnits

References
Index
内容简介:
　　ThepresentgreatlyenlargedversionwasmainlywrittenduringasabbaticalattheuniversityofUppsaladuring2000.Theaimofthebookistopresentalargelyphenomenologicalintroductiontothefieldofsolidstatemagnetismatarelativelyelementarylevel.Thetwobasicconceptsofmagnetisminsolidsnamelythelocalizedandthedelocalizeddescriptionarepresentedastheextremeapproaches.Thetruenatureofmagnetismlies，asofteninlife，somewhereinbetween，sometimesshowingatendencytowardsthemorelocalizedside，sometimestendingtothedelocalizedside.Itisperhapsthismixingofconceptswhichmakesmagnetismappearcomplicatedanddifficult.Anothersourceofconfusionisthedifferentlanguageusedbytheoreticiansandexperimentalists.Ihavetriedveryhardtoclarifytheserathermoresemanticproblemsandtouseauniformnomenclaturethroughoutthebook.Itismybeliefandmyexperiencethattheapproachpresentedhereprovidesausefulintroductionnotonlyforthephysicist，butalsofortheinterestedreadercomingfromfieldslikechenustry，electricalengineeringorevengeo-sciences.Themathematicalconceptsusedarekeptrathersimpleandhardlyevergobeyondanundergraduatecourseinmathematicsforphysicists，chemistsorengineering.SincethebookemergedfromalecturecourseIhavegivenatViennaUniversityofTechnologyforthelast15years，thechaptersinthebookarenotcompletelyself-contained.Thefirst-timereaderisthusadvisedtoreadthechaptersinthesequencethattheyappearinthebook.ItismysincerehopethatafterhavingreadthisbookthereaderwillagreethatforoncetheEncyclopediaBrittanicaisinerrorwhenitstatesFewsubjectsin，sciencearem，oredifficulttoun，derstan，thanmagn.etism，（EncyclopediaBrittanica，15thedition1989）.
　　Thepresentbookdoesnotattempttocoverthewholefieldofsolidstatemagnetism，buttriestoprovideanoverviewbyselectingspecialtopics.Theideaistocreateaninterestinthisfascinatingfieldinwhichquantummechanics，thermodynamicsandcomputersimulationsjoinforcestoexplain"MagnetismintheSolidState".
目录:
1.AHistoricalIntroduction

2.ConsequencesofFermiStatistics
2.1QuantumStatisticsofFermions
2.2FreeEnergyoftheFermiGas

3.Paramagnetism
4.EnergyBandsintheCrystal

5.ExperimentalBasisofFerromagnetism
5.1NickelAlloys
5.2IronAlloys
5.3PalladiumAlloys
5.4Iron-NickelAlloys
5.5EffectsofStrongMagneticFields
5.6EffectsofHighPressure
5.7EffectsofFiniteTemperature
5.8SusceptibilityaboveTc
5.8.1Susceptibilityof“ClassicalSpins”
5.9Critical.Exponents
5.10NeutronDiffraction
5.11FurtherExperimentalMethods

6.WeissMolecularFieldModel
6.1Rhodes-WohlfarthPlot

7.HeisenbergModel
7.1MagnonOperators
7.2HeisenbergHamiltonianinMagnonVariables
7.3MagnonDispersionRelation
7.3.1SpecificHeatofMagnons
7.3.2OrderingTemperature
7.4ApproximationsfortheHeisenbergModel
7.4.1IsingModel
7.4.2XYModel
7.4.3MeanFieldSolutionsoftheHeisenbergModel

8.ItinerantElectronsatOK
8.1PauliSusceptibilityoftheItinerantElectrons
8.2SusceptibilityoftheInteractingItinerantElectrons
8.3NonlinearEffects
8.4EffectsofIIighFieldsatOK
8.4.1Non-magneticLimit
8.4.2StrongFerromagnets
8.4.3WeakFerromagnets
8.4.4bccIronandhcpCobalt
8.4.5ExtremelyHighFields
8.4.6Metamagnetism
8.5SusceptibilityofParamagneticAlloys

9.BandGapTheoryofStrongFerromagnetism
9.1MagnetismofAlloys

10.MagnetismandtheCrystalStructure——CovalentMagnetism
10.1CrystalStructureofMn，Fe，Co，andNi
10.2CovalentMagnetism
10.3CovalentPolarization

11.MagneticImpuritiesinanElectronGas
11.1ImpurityPotentialintheJellium
11.2StrongPerturbationsintheJellium
11.3LayerandLineDefects
11.4MagneticImpuritiesandOscillationsoftheMagnetization

12.ItinerantElectronsatT〉O：AHistoricalSurvey
12.1ExcitationsatLowTemperatures
12.1.1StronglyFerromagneticSystems
12.1.2WeaklyFerromagneticSystems
12.2StonerTheoryforaRectangularBand
12.3WeakExcitationswithζ〈〈1

13.HubbardModel
13.1BeyondHartree-Fock

14.LandauTheoryfortheStonerModel
14.1GeneralConsiderations
14.2ApplicationtotheStonerModel

15.CouplingBetweenItinerantandLocalizedMoments

16.OriginoftheMolecularField
16.1Heitler-LondonTheoryfortheExchangeField
16.1.1MagnetismofaSpinCluster
16.1.2SpinwavesforLocalizedElectrons

17.ExchangeandCorrelationinMetals
17.1FreeElectronGas
17.2TightlyBoundElectrons

18.SpinFluctuations
18.1FluctuationsofaThermodynamicalVariable
18.2FluctuationsoftheMagneticMoment
18.3SpecificHeatoftheSpinFluctuations
18.4Magneto-VolumeCoupling
18.5ApplicationsoftheSpinFluctuationModel
18.6ComparingtheSpin-FluctuationandtheStoner-Model

19.SingleParticleExcitationsVersusSpinWaves
20.Landau-GinzburgModelforSpinFluctuations

21.ConclusionandLookout
A.Appendices
A.ConvexityPropertyoftheFreeEnergy
B.DerivationoftheCoefficientain（3.17）
C.QuenchingoftheOrbitalMomentum
D.Propertiesof“Classical”Spins
E.DerivationoftheConstantcin（8.24）
F.Ornstein-ZernickeExtension
G.Bogoliubov-Peierls-FeynmanInequality
H.TheFactor2inEquation（7.27）
I.Hund‘sRules
J.PolynomialCoefficientsin（18.12）
K.ConversionBetweenMagneticUnits

References
Index

查看详情

固态磁性导论

内容简介:

目录: