Nanomagnetism and spintronics
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| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Amsterdam [u.a.]
Elsevier
2014
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| Ausgabe: | 2. ed. |
| Schriftenreihe: | Elsevier insights
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| 020 | |a 9780444632791 |c hbk |9 978-0-444-63279-1 | ||
| 035 | |a (OCoLC)886641217 | ||
| 035 | |a (DE-599)BSZ392579715 | ||
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| 245 | 1 | 0 | |a Nanomagnetism and spintronics |c ed. by Teruya Shinjo |
| 250 | |a 2. ed. | ||
| 264 | 1 | |a Amsterdam [u.a.] |b Elsevier |c 2014 | |
| 300 | |a XIV, 358 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 0 | |a Elsevier insights | |
| 500 | |a Literaturangaben | ||
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| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-027217199 | |
Datensatz im Suchindex
| _version_ | 1819619412598063104 |
|---|---|
| adam_text | Contents
Prefaci·
xi
List of Contributors
xiii
1
Overview
1
ľťľnya Sliitijo
1.1 Introduction
1
1.2
Discovery of CM
R
3
1.3
Development
ot
(¡MR Studios
6
1.4
Recent Progress in MR Experiments
9
1.5
The Scope of This Book
12
References
13
2
(ÍMR,
TMR, BMR, and Related Phenomena
15
.lim-ivhiro /none
2.1
Introduction
17
2.2
Spin-Dependent Transport in Ferromagnetic Metals
18
2.2.1 Kleetronic
States and Magnetism in TMs and Alloys
19
2.2.2
n-Parameter
20
2.2.3
Spin-Dependent Resistivity in TM Alloys
21
2.2.4
Spin-Dependent Resistivity due to Ferromagnetic
Impurities in Novel Metals
22
2.2.5
Two-Band Model
24
2.3
Microscopic Theory
oí Hlectrical
Conductivity: Linear
Response Theory
24
2.3.1
Kubo
Formula
25
2.3.2
Current Parallel to Planes
26
2.3.3
Current Perpendicular to Layer Planes
27
2.3.4
Recursive Green s Function Method
28
2.3.5
Conductance Quantization and
Landauer
Formula
29
2.4
Giant
Magnetoresistance 30
2.4.1
Magnetic Multilayers
31
2.4.2
Experiments on GMR
32
vi
Contents
2.4.3
Phenomenological
Theory of GMR
37
2.4.4
Mechanism of GMR
39
2.4.5
Effects of Spin-Flip Scattering
44
2.5
Tunnel
Magnetoresistance 45
2.5.1
Ferromagnetic Tunnel Junctions
46
2.5.2
Experiments for TMR
46
2.5.3
A Phenomenological Theory of TMR
47
2.5.4
Free-Electron Mode)
49
2.5.5
Ingredients for TMR
50
2.5.6
TMR in Various Systems
55
2.5.7
Coulomb Blockade and TMR
66
2.6
Ballistic
Magnetoresistance 71
2.6.1
Conductance Quantization in Metals
71
2.6.2
Experiment and Theory of BMR
73
2.7
Other MR Effects—Normal MR, AMR, and CMR
76
2.7.1
Normal MR
76
2.7.2 Anisotropie Magnetoresistance 76
2.7.3
Colossal
Magnetoresistance 78
2.8
SOI and Hall Effects
80
2.8.1
Spin-Orbit Interaction
80
2.8.2
Anomalous Hall Effect
81
2.8.3
Spin Hall Effect
82
2.8.4
Rashba 2DEG and Spin Accumulation H5
2.9
Thermal Effects on Charge and Spin Currents
86
2.9.1
General Remark
86
2.9.2
Thermoelectric Effects
88
2.10
Spin Transfer and Spin Pumping
92
2.10.1
Spin Transfer Torque
92
2.10.2
Magnetization Dynamics and Spin Pumping
93
2.10.3
Example of the Microscopic Calculation of STT
95
2.11
Perspective
97
Acknowledgments
98
References
98
3
Spin Injection and Voltage Effects in Magnetic Nanopillars
and Its Applications
107
Yoshishige Suzuki, Ashwin A. Tulapurkar, Youichi Shi
ota
and Claude Chappert
3.1
Spin Injection, Voltage Application, and Torque
108
Contents
vii
3.1.1
Spin Injection
108
3.1.2
Spin-Transfer Torque
118
3.1.3
Field-Like Torque and Rashba Torque
125
3.1.4
Electric Field-Induced Anisotropy
Change and Torque
126
3.2
Spin-Injection Magnetization Reversal
129
3.2.1
Amplification of the Precession
129
3.2.2
Linearized LLG Equation and Instability Current
133
3.2.3
Spin-Injection Magnetization Switching
136
3.2.4
Switching Time and Thermal Effects
139
3.2.5
High-Speed Measurements
143
3.3
High-Frequency Phenomena
148
3.3.1
Spin-Transfer Oscillation
148
3.3.2
Spin-Torque Diode Effect
154
3.3.3
Electric Field-Induced Dynamic Switching
159
3.4
From Spin-Transfer Torque RAM to Magnetic Logic
161
3.4.1
The Magnetic Random Access Memory
162
3.4.2
The Spin-Transfer Torque MRAM (or STT-RAM,
or Spin-RAM)
167
3.4.3
Toward Magnetic Logic
167
Acknowledgments
169
References
169
4
Dynamics of Magnetic Domain Walls in
Nanomagnetic Systems
177
Teru o Ono
and
Те
ruy a Shin
j
о
4.1
Introduction
177
4.2
Field-Driven DW Motions
178
4.2.1
Detection of DW Propagation by Using GMR Effect
178
4.2.2
Ratchet Effect in DW Motions
181
4.2.3
DW Velocity Measurements
183
4.3
Current-Driven DW Motions
189
4.3.1
Concept of Current-Driven DW Motion
189
4.3.2
Magnetic Force Microscopy Direct Observations
190
4.3.3
Toward Applications of Current-Driven DW Motion
194
4.4
Topics on Nanodot Systems
197
4.4.1
MFM Studies on Magnetic Vortices in Dot Systems
197
4.4.2
Current-Driven Resonant Excitation of Magnetic Vortex
201
4.4.3
Switching a Vortex Core by Electric Current
203
vi¡¡
Contents
Acknowledgments 209
References
209
5
Theoretical Aspects of Current-Driven Magnetization
Dynamics
213
Hiroshi
Kolmo
and Gen
Tatara
5.1
Introduction
214
5.2
Dynamics of a Rigid Domain Wall
215
5.2.1
Field-Driven Domain Wall Motion
215
5.2.2
Current-Driven Domain Wall Motion
223
5.2.3
Dynamics
229
5.3
Microscopic Calculation of Spin Torques
236
5.3.1
General
236
5.3.2
S mal
I-Amplitude Method
240
5.3.3
Gauge-Field Method
244
5.3.4
Force
247
5.4
Related Topics
250
5.4.1
Current-Driven Motion of Magnetic Vortices
250
5.4.2
Current-Induced Spin-Wave Instability
254
Acknowledgment
256
References
256
6
Micromagnetics of Domain Wall Dynamics in Soft Nanostrips
261
Andre Thiaville and Yoshinohu
N
akat
on
і
6.1
Introduction
262
6.1.1
Micromagnetics
262
6.1.2
Numerical Micromagnetics
263
6.1.3
Domain Wall Structures in Soft Nanostrips
265
6.2
Field Dynamics of Domain Walls
268
6.2.1
Panorama
268
6.2.2
Steady-State Regime
270
6.2.3
Motion Above the Walker Field
274
6.2.4
Imperfect Samples
276
6.2.5
Comparison to Experiments
279
6.3
Domain Wall Motion by Spin-Polarized Current
280
6.3.1
CIP
Spin Transfer in Micromagnetics
280
6.3.2
Perfect Case with Adiabatic STT
287
6.3.3
Perfect Case with NonAdiabatic STT
291
Contents
ix
6.3.4
Imperfect Case
298
6.4
Dynamics Under Combined Field and Current
302
6.4.
1 Perfect Samples
302
6.4.2
Imperfect Nanostrip Case
304
6.4.3
Comparison to
Experiments 305
6.4.4
ЛС
К
(Tec
t s
305
6.5
Conclusions and Outlook
306
Acknowledgments
307
References
307
7
HI — V-Based Ferromagnetic Semiconductors
315
ľumihtľo
Maisukunt and Hideo
Olmo
7.1
Introduction
316
7.2
Molecular Beam Bpitaxy
317
7.3
Structural and Magnetic Properties
319
7.3.1
Structural Characterization of (Ga,Mn)As
319
7.3.2
Magnetic Properties of (Ga,Mn)As
321
7.4
Electrical and Optical Properties
324
7.4.
1 Electrical Properties of (Ga,Mn)As
324
7.4.2
Magneto-Optical Properties
331
7.5
The sp—
d
Exchange Interaction
332
7.6
The
p—d
Zener Model of Ferromagnetism
334
7.7
Properties Revealed by Device Structures
335
7.7.1
Electrical Spin Injection into Nonmagnetic
Semiconductors
335
7.7.2
TMR and Current-Induced Magnetization Switching
336
7.7.3
Current-Induced DW Motion
339
7.7.4
Control of Magnetism and Magnetization Reversal
by External Means
342
7.8
Prospects
345
Acknowledgment
347
References
347
|
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| bvnumber | BV041771198 |
| classification_rvk | UP 6400 UP 6700 |
| ctrlnum | (OCoLC)886641217 (DE-599)BSZ392579715 |
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| genre | (DE-588)4143413-4 Aufsatzsammlung gnd-content |
| genre_facet | Aufsatzsammlung |
| id | DE-604.BV041771198 |
| illustrated | Illustrated |
| indexdate | 2024-12-24T04:05:02Z |
| institution | BVB |
| isbn | 9780444632791 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-027217199 |
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| owner | DE-703 DE-20 DE-11 |
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| physical | XIV, 358 S. Ill., graph. Darst. |
| publishDate | 2014 |
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| publisher | Elsevier |
| record_format | marc |
| series2 | Elsevier insights |
| spellingShingle | Nanomagnetism and spintronics Riesenmagnetowiderstand (DE-588)4591272-5 gnd Spintronik (DE-588)7755384-6 gnd Nanomagnet (DE-588)1047906449 gnd Magnetoelektronik (DE-588)4532095-0 gnd |
| subject_GND | (DE-588)4591272-5 (DE-588)7755384-6 (DE-588)1047906449 (DE-588)4532095-0 (DE-588)4143413-4 |
| title | Nanomagnetism and spintronics |
| title_auth | Nanomagnetism and spintronics |
| title_exact_search | Nanomagnetism and spintronics |
| title_full | Nanomagnetism and spintronics ed. by Teruya Shinjo |
| title_fullStr | Nanomagnetism and spintronics ed. by Teruya Shinjo |
| title_full_unstemmed | Nanomagnetism and spintronics ed. by Teruya Shinjo |
| title_short | Nanomagnetism and spintronics |
| title_sort | nanomagnetism and spintronics |
| topic | Riesenmagnetowiderstand (DE-588)4591272-5 gnd Spintronik (DE-588)7755384-6 gnd Nanomagnet (DE-588)1047906449 gnd Magnetoelektronik (DE-588)4532095-0 gnd |
| topic_facet | Riesenmagnetowiderstand Spintronik Nanomagnet Magnetoelektronik Aufsatzsammlung |
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