HgTe based topological insulators:
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| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
2014
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| Subjects: | |
| Online Access: | Volltext Inhaltsverzeichnis |
| Item Description: | Zsfassung in dt. und engl. Sprache |
| Physical Description: | XIV, 129 S. Ill., graph. Darst. |
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Record in the Search Index
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| adam_text | HGTE BASED TOPOLOGICAL INSULATORS
DISSERTATION ZUR ERLANGUNG DES NATURWISSENSCHAFTLICHEN DOKTORGRADES DER
JULIUS-MAXIMILIANS-UNIVERSITAT WIIRZBURG
VORGELEGT VON CHRISTOPH BRIINE
GEBOREN IN AROLSEN
WIIRZBURG, 2014
HTTP://D-NB.INFO/1066698317
CONTENTS
ABSTRACT HI
ZUSAMMENFASSUNG VII
CONTENTS XIII
1 INTRODUCTION TO THE FIELD OF TOPOLOGICAL INSULATORS 1
1.1 2-DIMENSIONAL TOPOLOGICAL INSULATORS 2
1.2 3-DIMENSIONAL TOPOLOGICAL INSULATORS 5
2 QUANTUM SPIN HALL STATE IN HGTE 11
2.1 HGTE QUANTUM WELLS 11
2.2 THE QUANTUM SPIN HALL EFFECT 15
2.3 NONLOCAL TRANSPORT IN THE QUANTUM SPIN HALL STATE 19
2.4 SPIN POLARIZATION OF THE QUANTUM SPIN HALL EDGE STATES 25
2.5 CONCLUSION 33
3 HGTE AS A
3-DIMENSIONAL TOPOLOGICAL INSULATOR 35
3.1 STRAINED BULK HGTE 35
3.2 TRANSPORT IN GATED SAMPLES 40
3.3 CONCLUSION 46
4 EVIDENCE FOR THE BALLISTIC INTRINSIC SPIN HALL EFFECT IN HGTE
NANOSTRUCTURES 49
4.1 ABSTRACT 49
4.2 INTRODUCTION 50
4.3 SAMPLE LAYOUT AND EXPERIMENT 51
4.4 TRANSPORT EXPERIMENTS ON H-BAR STRUCTURES 52
4.5 NON-INVERTED CONTROL SAMPLE 57
XI
4.6 MODELLING BY TIGHT-BINDING CALCULATIONS 58
4.7 SUPPLEMENTAL^ INFORMATION FOR EVIDENCE FOR THE BALLISTIC INTRINSIC
SPIN-
HALL EFFECT IN HGTE NANOSTRUCTURES . . : 60
4.7.1 THEORETICAL APPENDIX 62
4.7.2 ADDITIONAL EXPERIMENTAL MATERIAL 64
5 SPIN POLARIZATION OF THE QUANTUM SPIN HALL EDGE STATES 69
5.1 ABSTRACT 69
5.2 INTRODUCTION 70
5.3 DETECTING THE SPIN POLARIZATION IN NON-LOCAL TRANSPORT EXPERIMENTS
.... 71
5.4 FABRICATION AND TRANSPORT CHARACTERIZATION OF TWO-DIMENSIONAL
TOPOLOGICAL
INSULATORS 73
5.5 NONLOCAL SIGNALS AS EVIDENCE FOR THE SPIN POLARIZATION OF THE
QUANTUM SPIN
HALL STATE 74
5.6 MODELLING AND ADDITIONAL DISCUSSION OF THE EXPERIMENT 78
5.7 SUPPLEMENTARY INFORMATION FOR SPIN POLARIZATION OF THE QUANTUM SPIN
HALL EDGE STATES 80
5.7.1 INTRODUCTION 81
5.7.2 MULTIPROBE LANDAUER-BIITTIKER FORMALISM AND NONLOCAL RESISTANCE 83
5.7.3 SEMICLASSICAL EQUATIONS OF MOTION AND BERRY PHASE 85
5.7.4 SEMICLASSICAL MONTE CARLO ALGORITHM 87
5.7.5 NUMERICAL RESULTS 89
5.7.6 ADDITIONAL EXPERIMENTAL AND THEORETICAL EVIDENCE FOR SPIN-ORBIT
ORIGIN OF OBSERVED EFFECTS 90
5.7.7 NON-LOCAL RESISTANCE SIGNALS IN MAGNETIC FIELDS 92
6 QUANTUM HALL EFFECT FROM THE TOPOLOGICAL SURFACE STATES OF STRAINED
BULK
HGTE 95
6.1 ABSTRACT 95
6.2 INTRODUCTION 96
6.3 EXISTENCE OF THE SURFACE STATES AND BAND GAP IN 3D HGTE 98
6.4 CONCLUSION 103
6.5 SUPPLEMENTARY MATERIAL FOR QUANTUM HALL EFFECT FROM THE TOPOLOGICAL
SURFACE STATES OF STRAINED BULK HGTE 103
6.5.1 DETAILS OF THE ARPES EXPERIMENT 103
6.5.2 K P CALCULATION OF THE BAND STRUCTURE OF STRAINED HGTE 104
XII
6.5.3 TWO DIRAC CONES MODEL 105
REFERENCES 109
LISTE DER EIGENEN VEROFFENTLICHUNGEN 121
DANKSAGUNG 127
XIII
|
| any_adam_object | 1 |
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| indexdate | 2024-07-10T01:19:50Z |
| institution | BVB |
| language | English |
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| physical | XIV, 129 S. Ill., graph. Darst. |
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| spelling | Brüne, Christoph Verfasser (DE-588)106688076X aut HgTe based topological insulators von Christoph Brüne HgTe basierte topologische Isolatoren 2014 XIV, 129 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Zsfassung in dt. und engl. Sprache Würzburg, Univ., Diss., 2014 Topologischer Isolator (DE-588)1035519526 gnd rswk-swf Quecksilbertellurid (DE-588)4351541-1 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Quecksilbertellurid (DE-588)4351541-1 s Topologischer Isolator (DE-588)1035519526 s DE-604 Erscheint auch als Online-Ausgabe urn:nbn:de:bvb:20-opus-105127 https://nbn-resolving.org/urn:nbn:de:bvb:20-opus-105127 Resolving-System kostenfrei Volltext DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027809815&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Brüne, Christoph HgTe based topological insulators Topologischer Isolator (DE-588)1035519526 gnd Quecksilbertellurid (DE-588)4351541-1 gnd |
| subject_GND | (DE-588)1035519526 (DE-588)4351541-1 (DE-588)4113937-9 |
| title | HgTe based topological insulators |
| title_alt | HgTe basierte topologische Isolatoren |
| title_auth | HgTe based topological insulators |
| title_exact_search | HgTe based topological insulators |
| title_full | HgTe based topological insulators von Christoph Brüne |
| title_fullStr | HgTe based topological insulators von Christoph Brüne |
| title_full_unstemmed | HgTe based topological insulators von Christoph Brüne |
| title_short | HgTe based topological insulators |
| title_sort | hgte based topological insulators |
| topic | Topologischer Isolator (DE-588)1035519526 gnd Quecksilbertellurid (DE-588)4351541-1 gnd |
| topic_facet | Topologischer Isolator Quecksilbertellurid Hochschulschrift |
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