Ultrathin magnetic structures: 4 Applications of nanomagnetism
Gespeichert in:
| Format: | Buch |
|---|---|
| Sprache: | English |
| Veröffentlicht: |
Berlin [u.a.]
Springer
2005
|
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XIV, 257 S. Ill., graph. Darst. |
| ISBN: | 3540219544 |
Internformat
MARC
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Datensatz im Suchindex
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|---|---|
| adam_text | B. HEINRICH * J.A.C. BLAND (EDS.) ULTRATHIN MAGNETIC STRUCTURES IV
APPLICATIONS OF NANOMAGNETISM WITH 198 FIGURES, INCLUDING 117 IN COLOR
SPRINGER CONTENTS 1 INTRODUCTION 1 2 MAGNETOELECTRONICS 5 2.1 BACKGROUND
5 2.2 COMMERCIALIZED APPLICATIONS 7 2.3 DEVELOPING TECHNOLOGY 7 , 2.4
FUTURE OPPORTUNITIES 14 2.5 CONCLUSION 17 REFERENCES 17 3 ELECTRICAL
SPIN INJECTION INTO SEMICONDUCTORS 19 3.1 INTRODUCTION 19 - 3.2 DEVICE
CONCEPTS 20 3.3 SPIN INJECTION FROM SEMIMAGNETIC SEMICONDUCTORS 26 3.4
SPIN INJECTION ACROSS AN AIR-EXPOSED SEMICONDUCTOR INTERFACE ... 29 3.5
ROLE OF INTERFACE STRUCTURE IN SPIN INJECTION 32 3.6 FERROMAGNETIC
METALS AS SPIN INJECTING CONTACTS 38 3.7 CHARACTERISTICS OF THE
FE/ALGAAS(001) INTERFACE 49 3.8 SUMMARY 53 REFERENCES 55 4 OPTICAL
STUDIES OF ELECTRON SPIN TRANSMISSION 59 4.1 INTRODUCTION TO SPIN
ELECTRONICS 59 4.1.1 CONCEPT 59 4.1.2 OPTICAL SPIN ORIENTATION IN GAAS
61 4.1.3 DEMONSTRATION OF OPTICAL SPIN INJECTION AND DETECTION ... 64
4.1.4 THEORETICAL ISSUES IN DESIGNING SPIN ELECTRONIC DEVICES .. 68 4.2
SPIN FILTERING EXPERIMENTS IN FERROMAGNET/ SEMICONDUCTOR HYBRID
STRUCTURES 70 4.2.1 SPIN FILTERING 70 4.2.2 SPIN FILTERING USING
PHOTOEXCITATION TECHNIQUES 72 VIII CONTENTS 4.2.3 SAMPLE PREPARATION 74
4.3 SPIN FILTERING IN FERROMAGNET/ SEMICONDUCTOR SCHOTTKY DIODES 75
4.3.1 APPLIED MAGNETIC FIELD DEPENDENCE 76 4.3.2 APPLIED BIAS DEPENDENCE
78 4.3.3 GAAS DOPING DENSITY DEPENDENCE 79 4.3.4 DEPENDENCE ON THE
FERROMAGNETIC MATERIAL 80 4.4 SPIN FILTERING IN FERROMAGNET/ BARRIER
LAYER/ SEMICONDUCTOR JUNCTIONS 80 4.4.1 ROLE OF BARRIER LAYER IN SPIN
FILTERING 81 4.4.2 ELECTRICAL TRANSPORT ACROSS THE
FERROMAGNET/SEMICONDUCTOR INTERFACE 81 4.4.3 SPIN DEPENDENT TRANSPORT
ACROSS THE FERROMAGNET/SEMICONDUCTOR INTERFACE 83 4.4.4 SPIN FILTERING
IN BAND GAP ENGINEERED FERROMAGNET/ALGAAS TUNNEL BARRIER/SEMICONDUCTOR
STRUCTURES 84 4.5 BALLISTIC SPIN TRANSPORT IN SPIN VALVE STRUCTURES 88
4.5.1 SAMPLE CHARACTERISATION 89 4.5.2 OPTICAL MEASUREMENTS OF SPIN
VALVE STRUCTURES 90 4.6 SUMMARY 96 REFERENCES 97 5 INTRODUCTION TO
MICROMAGNETICS 101 5.1 FIRST SPIN AROUND THE TRACK 101 5.2 ONE ATOM OF
IRON 102 5.2.1 ONE ATOM OF IRON IN SPACE 102 5.2.2 ONE IRON ATOM IN A
NON-MAGNETIC LATTICE 105 5.2.3 A UNIT WITH TWO STABLE STATES AND TWO
METASTABLE STATES . 114 5.2.4 EFFECT OF PLANAR GEOMETRY ON DYNAMICAL
RESPONSE 125 5.3 NON-UNIFORM MAGNETIZATION 127 5.3.1 EXCHANGE ENERGY 127
5.3.2 MAGNETIC SURFACE CHARGE DENSITY 128 5.3.3 A VORTEX IN A CIRCULAR
ULTRATHIN FILM 129 5.3.4 NON-UNIFORM STATES 134 5.3.5 A NON-UNIFORM
SYSTEM WITH TWO-FOLD PLUS FOUR-FOLD ANISOTROPY 138 REFERENCES 148 6 SPIN
VALVE GIANT MAGNETORESISTIVE SENSOR MATERIALS FOR HARD DISK DRIVES 149
6.1 INTRODUCTION 149 6.2 THE GMR EFFECT 153 6.3 A SIMPLE BUT POWERFUL
MODEL 154 6.4 BIASING AND DEVICE PHYSICS 158 CONTENTS IX 6.5
ANTIFERROMAGNETS IN SPIN VALVES 159 6.6 MENAGERIE OF SPIN VALVE
STRUCTURES 161 6.6.1 THE SIMPLE SPIN VALVE 161 6.6.2 THE NANOLAYERED
SPIN VALVE 161 6.6.3 THE SPIN FILTER (OR BACKED) SPIN VALVE 161 6.6.4
DUAL SPIN VALVE 163 6.6.5 ANTIPARALLEL PINNED SPIN VALVES 164 6.6.6
AP-FREE LAYER SPIN VALVE 166 6.7 FUTURE DIRECTIONS 167 REFERENCES 174
MAGNETIC SWITCHING IN HIGH-DENSITY MRAM 177 7.1 RANDOM ACCESS MEMORIES
(RAMS) 177 7.2 MAGNETORESISTIVE RANDOM ACCESS MEMORY (MRAM) 179 7.2.1
ANISOTROPIC MAGNETORESISTANCE-BASED MRAM 180 7.2.2 SPIN-VALVE MRAM 183
7.2.3 PSEUDO-SPIN-VALVE (PSV) MRAM 184 7.2.4 MAGNETIC TUNNEL JUNCTION
(MTJ) MRAM 186 7.2.5 OTHER MRAM CONCEPTS 188 7.3 MRAM CELL SCALING 189
7.4 COHERENT ROTATION OF SINGLE-DOMAIN ELEMENTS 190 7.4.1 SINGLE-DOMAIN
SIZE AND EXCHANGE LENGTHS 190 7.4.2 COHERENT ROTATION OF SINGLE-DOMAINS
WITH UNIAXIAL ANISOTROPY 191 7.4.3 SWITCHING ASTROID 194 7.5 SWITCHING
OF SUBMICRON MRAM DEVICES 196 7.5.1 SINGLE-DOMAIN-LIKE SWITCHING
CHARACTERISTICS 196 7.5.2 SWITCHING IRREPRODUCIBILITY 199 7.5.3 HARD
AXIS-LOOPS 201 7.5.4 DEVIATION FROM THE SW ASTROID 202 7.6 MICROMAGNETIC
PROPERTIES OF SUBMICRON MRAM DEVICES 202 7.6.1 TRAPPED MAGNETIZATION
VORTICES 204 7.6.2 EDGE-PINNING 207 7.6.3 360 C DOMAIN WALL 208 7.6.4
EFFECT OF ELEMENT SHAPE 209 7.7 ISSUES RELATED TO MAGNETIC SWITCHING IN
FUTURE HIGH-DENSITY MRAM 210 7.7.1 INTERLAYER MAGNETOSTATIC COUPLING DUE
TO END CHARGES ... 210 7.7.2 INTERLAYER NEEL COUPLING DUE TO INTERFACIAL
CHARGES 212 7.7.3 INTER-ELEMENT MAGNETOSTATIC INTERACTION 213 7.7.4
SWITCHING FIELD DISTRIBUTION 214 7.7.5 THERMAL STABILITY 215 REFERENCES
215 X CONTENTS 8 GIANT MAGNETO-RESISTIVE RANDOM- ACCESS MEMORIES 219 8.1
INTRODUCTION 219 8.2 MAGNETIC PSEUDO-SPIN-VALVE DEVICE SWITCHING
CHARACTERISTICS, MODELING, AND DISTRIBUTIONS 222 8.3 THE 1R0T GMRAM
ARCHITECTURE 243 8.4 MAGNETIC SPIN-VALVE DEVICES FOR GMRAMS AND GMRAM
LATCH ARCHITECTURES 246 8.5 NONVOLATILE MEMORY COMPARISONS AND POTENTIAL
APPLICATIONS .... 248 8.6 CONCLUSIONS 250 REFERENCES 251 SUBJECT INDEX
253
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| illustrated | Illustrated |
| indexdate | 2024-07-09T20:05:25Z |
| institution | BVB |
| isbn | 3540219544 |
| language | English |
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| physical | XIV, 257 S. Ill., graph. Darst. |
| publishDate | 2005 |
| publishDateSearch | 2005 |
| publishDateSort | 2005 |
| publisher | Springer |
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| spelling | Ultrathin magnetic structures 4 Applications of nanomagnetism J. A. C. Bland ... (eds.) Berlin [u.a.] Springer 2005 XIV, 257 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Bland, J. Anthony C. 1958-2007 Sonstige (DE-588)136031463 oth (DE-604)BV009757277 4 GBV Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=013083411&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Ultrathin magnetic structures |
| title | Ultrathin magnetic structures |
| title_auth | Ultrathin magnetic structures |
| title_exact_search | Ultrathin magnetic structures |
| title_full | Ultrathin magnetic structures 4 Applications of nanomagnetism J. A. C. Bland ... (eds.) |
| title_fullStr | Ultrathin magnetic structures 4 Applications of nanomagnetism J. A. C. Bland ... (eds.) |
| title_full_unstemmed | Ultrathin magnetic structures 4 Applications of nanomagnetism J. A. C. Bland ... (eds.) |
| title_short | Ultrathin magnetic structures |
| title_sort | ultrathin magnetic structures applications of nanomagnetism |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=013083411&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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