Magnetic materials: fundamentals and applications
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| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Cambridge [u.a.]
Cambridge Univ. Press
2011
|
| Edition: | 2. ed. |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Item Description: | Hier auch später erschienene, unveränderte Nachdrucke |
| Physical Description: | XIII, 274 S. Ill., graph. Darst. |
| ISBN: | 9780521886697 |
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MARC
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| 100 | 1 | |a Spaldin, Nicola A. |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Magnetic materials |b fundamentals and applications |c Nicola A. Spaldin |
| 250 | |a 2. ed. | ||
| 264 | 1 | |a Cambridge [u.a.] |b Cambridge Univ. Press |c 2011 | |
| 300 | |a XIII, 274 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
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Record in the Search Index
| _version_ | 1804143244623216640 |
|---|---|
| adam_text | Contents
Acknowledgments
page
xiii
Basics
Review
of basic magnetostatics
3
1.1
Magnetic field
4
.1.1
Magnetic poles
4
1.1.2
Magnetic flux
6
. 1.3
Circulating currents
6
. 1.4
Ampere s circuital law
7
.1.5
Biot-Savart law
8
.1.6
Field from a straight wire
8
1.2
Magnetic moment
10
1.2.1
Magnetic
dipole
11
1.3
Definitions
11
Homework
12
Magnetization and magnetic materials
14
2.1
Magnetic induction and magnetization
14
2.2
Flux density
15
2.3
Susceptibility and permeability
16
2.4
Hysteresis loops
18
2.5
Definitions
19
2.6
Units and conversions
19
Homework
20
Atomic origins of magnetism
22
3.1
Solution of the
Schrödinger
equation for a free atom
22
3
.1.1
What do the quantum numbers represent?
25
3.2
The normal
Zeeman
effect
27
vu
Contents
3.3 Electron
spin
ЗО
3.4
Extension to many-electron atoms
31
3.4.1 Pauli
exclusion principle
32
3.5
Spin-orbit coupling
32
3.5.1
Russell-Saunders coupling
32
3.5.2
Hund s rules
34
3.5.3
jj coupling
35
3.5.4
The anomalous
Zeeman
effect
35
Homework
37
Diamagnetism
38
4.1
Observing the diamagnetic effect
38
4.2
Diamagnetic susceptibility
39
4.3
Diamagnetic substances
41
4.4
Uses of diamagnetic materials
42
4.5
Superconductivity
42
4.5.1
The Meissner effect
43
4.5.2
Critical field
44
4.5.3
Classification of superconductors
44
4.5.4
Superconducting materials
44
4.5.5
Applications for superconductors
46
Homework
46
Paramagnetism
48
5.1
Langevin
theory of paramagnetism
49
5.2
The Curie-Weiss law
52
5.3
Quenching of orbital angular momentum
54
5.4 Pauli
paramagnetism
55
5.4.1
Energy bands in solids
56
5.4.2
Free-electron theory of metals
58
5.4.3
Susceptibility of
Pauli paramagnets 60
5.5
Paramagnetic oxygen
62
5.6
Uses of paramagnets
63
Homework
64
Interactions in ferromagnetic materials
65
6.1
Weiss molecular field theory
66
6.1.1
Spontaneous magnetization
66
6.1.2
Effect of temperature on magnetization
67
6.2
Origin of the Weiss molecular field
69
6.2.1
Quantum mechanics of the He atom
70
6.3
Collective-electron theory of ferromagnetism
73
6.3.1
The Slater-Pauling curve
76
Contents ix
6.4
Summary
76
Homework
78
7
Ferromagnetic domains
79
7.1
Observing domains
79
7.2
Why domains occur
81
7.2.1
Magnetostatic energy
81
7.2.2
Magnetocrystalline energy
82
7.2.3
Magnetostrictive
energy
84
7.3
Domain walls
85
7.4
Magnetization and hysteresis
87
Homework
92
8
Antiferromagnetism
96
8.1
Neutron diffraction
97
8.2
Weiss theory of antiferromagnetism
101
8.2.1
Susceptibility above TN
102
8.2.2
Weiss theory at TN
103
8.2.3
Spontaneous magnetization below 7n
103
8.2.4
Susceptibility below TN
103
8.3
What causes the negative molecular field?
107
8.4
Uses of antiferromagnets
110
Homework
112
9
Ferrimagnetism
113
9.1
Weiss theory of ferrimagnetism
114
9.1.1
Weiss theory above Tc
115
9.1.2
Weiss theory below Tc
117
9.2
Ferrites
120
9.2.1
The cubic
ferrites
120
9.2.2
The hexagonal
ferrites
124
9.3
The garnets
125
9.4
Half-metallic antiferromagnets
126
Homework
127
10
Summary of basics
130
10.1
Review of types of magnetic ordering
130
10.2
Review of physics determining types of magnetic
ordering
131
11 Magnetic phenomena
11
Anisotropy
135
11.1
Magnetocrystalline anisotropy
135
11.1.1
Origin of magnetocrystalline anisotropy
136
11.1.2
Symmetry of magnetocrystalline anisotropy
138
x
Contents
11.2
Shape anisotropy
139
11.2.1
Demagnetizing field
139
11.3
Induced magnetic anisotropy
141
11.3.1
Magnetic annealing
141
11.3.2
Roll anisotropy
142
11.3.3
Explanation for induced magnetic anisotropy
142
11.3.4
Other ways of inducing magnetic anisotropy
143
Homework
144
12
Nanoparticles and thin films
145
12.1
Magnetic properties of small particles
145
12.1.1
Experimental evidence for single-domain
particles
147
12.1.2
Magnetization mechanism
147
12.1.3
Superparamagnetism
148
12.2
Thin-film magnetism
152
12.2.1
Structure
152
12.2.2
Interfaces
153
12.2.3
Anisotropy
153
12.2.4
How thin is thin?
154
12.2.5
The limit of two-dimensionality
154
13 Magnetoresistance 156
13.1 Magnetoresistance in
normal metals
157
13.2 Magnetoresistance
in ferromagnetic metals
158
13.2.1 Anisotropie magnetoresistance 158
13.2.2
Magnetoresistance from spontaneous magnetization
159
13.2.3
Giant magnetoresistance
160
13.3
Colossal magnetoresistance
164
13.3.1
Superexchange and double exchange
164
Homework
168
14
Exchange bias
169
14.1
Problems with the simple cartoon mechanism
171
14.1.1
Ongoing research on exchange bias
172
14.2
Exchange anisotropy in technology
173
ΠΙ
Device applications and novel materials
15
Magnetic data storage
177
15.1
Introduction
177
15.2
Magnetic media
181
15.2.1
Materials used in magnetic media
181
15.2.2
The other components of magnetic hard disks
183
15.3
Write heads
183
Contents xi
15.4
Read heads
185
15.5
Future of magnetic data storage
186
16
Magneto-optics and magneto-optic recording
189
16.1
Magneto-optics basics
189
16.1.1
Kerr effect
189
16.1.2
Faraday effect
191
16.1.3
Physical origin of magneto-optic effects
191
16.2
Magneto-optic recording
193
16.2.1
Other types of optical storage, and the future of
magneto-optic recording
] 96
17
Magnetic semiconductors and insulators
197
17.1
Exchange interactions in magnetic semiconductors
and insulators
198
17.1.1
Direct exchange and superexchange
199
17.1.2
Carrier-mediated exchange
199
17.1.3
Bound magnetic polarons
200
17.2
II-VI diluted magnetic semiconductors
-
(Zn,Mn)Se
201
17.2.1
Enhanced
Zeeman
splitting
201
17.2.2
Persistent spin coherence
202
17.2.3
Spin-polarized transport
203
17.2.4
Other architectures
204
17.3
ПІ
-V
diluted magnetic semiconductors
-
(Ga,Mn)As
204
17.3.1
Rare-earth-group-V compounds
-
ErAs
207
17.4
Oxide-based diluted magnetic semiconductors
208
17.5
Ferromagnetic insulators
210
17.5.1
Crystal-field and Jahn-Teller effects
210
17.5.2
YTÍO3
and SeCuO3
211
17.5.3
BiMnOj
213
17.5.4
Europium oxide
214
17.5.5
Double perovskites
215
17.6
Summary
215
18
Multiferroics
216
18.1
Comparison of ferromagnetism and other types of
ferroic ordering
216
18.1.1
Ferroelectrics
216
18.1.2
Ferroelastics
219
18.1.3
Ferrotoroidics
220
18.2
Multiferroics that combine magnetism and ferroelectricity
221
18.2.1
The contra-indication between magnetism and
ferroelectricity
222
Contents
18.2.2
Routes
to combining
magnetism
and ferroelectricity
223
18.2.3
The magnetoelectric effect
225
18.3
Summary
228
Epilogue
229
Solutions to selected exercises
230
References
262
Index
270
|
| any_adam_object | 1 |
| author | Spaldin, Nicola A. |
| author_facet | Spaldin, Nicola A. |
| author_role | aut |
| author_sort | Spaldin, Nicola A. |
| author_variant | n a s na nas |
| building | Verbundindex |
| bvnumber | BV036630912 |
| classification_rvk | UP 6000 UP 6800 |
| ctrlnum | (OCoLC)825041207 (DE-599)BVBBV036630912 |
| discipline | Physik |
| edition | 2. ed. |
| format | Book |
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| id | DE-604.BV036630912 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T22:44:35Z |
| institution | BVB |
| isbn | 9780521886697 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-020550731 |
| oclc_num | 825041207 |
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| owner | DE-20 DE-703 DE-29T DE-384 |
| owner_facet | DE-20 DE-703 DE-29T DE-384 |
| physical | XIII, 274 S. Ill., graph. Darst. |
| publishDate | 2011 |
| publishDateSearch | 2011 |
| publishDateSort | 2011 |
| publisher | Cambridge Univ. Press |
| record_format | marc |
| spelling | Spaldin, Nicola A. Verfasser aut Magnetic materials fundamentals and applications Nicola A. Spaldin 2. ed. Cambridge [u.a.] Cambridge Univ. Press 2011 XIII, 274 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Hier auch später erschienene, unveränderte Nachdrucke Magnetwerkstoff (DE-588)4136920-8 gnd rswk-swf Magnetismus (DE-588)4037021-5 gnd rswk-swf Magnetwerkstoff (DE-588)4136920-8 s DE-604 Magnetismus (DE-588)4037021-5 s Digitalisierung UB Bayreuth application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=020550731&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Spaldin, Nicola A. Magnetic materials fundamentals and applications Magnetwerkstoff (DE-588)4136920-8 gnd Magnetismus (DE-588)4037021-5 gnd |
| subject_GND | (DE-588)4136920-8 (DE-588)4037021-5 |
| title | Magnetic materials fundamentals and applications |
| title_auth | Magnetic materials fundamentals and applications |
| title_exact_search | Magnetic materials fundamentals and applications |
| title_full | Magnetic materials fundamentals and applications Nicola A. Spaldin |
| title_fullStr | Magnetic materials fundamentals and applications Nicola A. Spaldin |
| title_full_unstemmed | Magnetic materials fundamentals and applications Nicola A. Spaldin |
| title_short | Magnetic materials |
| title_sort | magnetic materials fundamentals and applications |
| title_sub | fundamentals and applications |
| topic | Magnetwerkstoff (DE-588)4136920-8 gnd Magnetismus (DE-588)4037021-5 gnd |
| topic_facet | Magnetwerkstoff Magnetismus |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=020550731&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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