Verfügbarkeit: Spin-dependent transport in graphene nanostructures

Spin-dependent transport in graphene nanostructures:

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Bibliographische Detailangaben
1. Verfasser:	Bundesmann, Jan (VerfasserIn)
Format:	Abschlussarbeit Buch
Sprache:	English
Veröffentlicht:	Regensburg Univ.-Verl. Regensburg 2014
Ausgabe:	1. Aufl.
Schriftenreihe:	Dissertationsreihe der Fakultät für Physik der Universität Regensburg 42
Schlagworte:	Hamilton-Operator Spin Graphen Elektronischer Transport Hochschulschrift
Online-Zugang:	Volltext https://nbn-resolving.org/urn:nbn:de:bvb:355-epub-309375 Inhaltsverzeichnis
Beschreibung:	VII, 127 S. Ill., graph. Darst.
ISBN:	9783868451153

Internformat

MARC


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Datensatz im Suchindex

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adam_text	CONTENTS 1. INTRODUCTION 1 1.1. SPINTRONICS 1 1.2. GRAPHENE 3 1.3. OUTLINE 4 2. MESOSCOPIC TRANSPORT 7 2.1. DEFINING MESOSCOPIC PHYSICS 7 2.2. GREEN S FUNCTIONS 8 2.3. TRANSPORT THROUGH OPEN SYSTEMS 9 2.3.1. SELFENERGIES 9 2.3.2. THE RECURSIVE GREEN S FUNCTION METHOD 11 2.3.3. OPTIMIZED RECURSIVE GREEN S FUNCTION METHOD FOR TRANSMISSION AT DIFFERENT SYSTEM LENGTHS 12 3. GRAPHENE 15 3.1. GRAPHENE BASICS 15 3.2. TIGHT-BINDING DESCRIPTION 16 3.2.1. ELECTRONS WITHOUT SPIN 16 3.2.2. ELECTRONS WITH SPIN 19 3.3. KLEIN TUNNELING IN THE PRESENCE OF SPIN-ORBIT COUPLING 22 3.4. SUMMARY 25 I. SPIN RELAXATION IN GRAPHENE 27 4. INTRODUCTION 29 5. DP AND EY IN GRAPHENE 31 5.1. THE DYAKONOV-PEREL MECHANISM IN GRAPHENE 31 5.2. ELLIOT-YAFET MECHANISM IN GRAPHENE 36 5.3. SUMMARY 40 6. SHERMAN MECHANISM IN GRAPHENE 43 6.1. SHERMAN SPIN RELAXATION MECHANISM 44 6.2. IMPURITY-INDUCED SPIN-ORBIT COUPLING IN GRAPHENE 45 6.3. NUMERICAL RESULTS 46 6.4. DISCUSSION AND SUMMARY 50 V HTTP://D-NB.INFO/1054392137 VI CONTENTS 7. ATOMISTIC DESCRIPTION OF ADSORBED ADATOMS 53 7.1. TIGHT-BINDING MODEL FOR ADSORBATES 53 7.2. DOS OF FLUORINATED AND HYDROGENATED GRAPHENE 56 7.3. ADATOMS AND CHARGE TRANSPORT 58 7.4. SPIN RELAXATION IN RANDOM SPIN-ORBIT FIELDS 60 7.4.1. SPIN-DEPENDENT SCATTERING FROM A SINGLE ADATOM 60 7.4.2. SPIN-DEPENDENT SCATTERING FROM A CLUSTER OF ADATOMS 60 7.4.3. ADATOMS IN DIFFUSIVE GRAPHENE 62 7.5. MAGNETIC MOMENT FORMATION 63 7.5.1. SINGLE ADATOM LIMIT 63 7.5.2. RESONANT MAGNETIC SCATTERERS IN DIFFUSIVE GRAPHENE 64 7.6. SUMMARY 69 II. EDGE MAGNETISM IN GRAPHENE 71 8. INTRODUCTION 73 9. MAGNETIC ALIGNMENT WITH DISORDER 75 9.1. HUBBARD MODEL AND HARTREE-FOCK APPROXIMATION 75 9.2. SEARCHING FOR THE MAGNETIC EDGE STATE 76 9.3. ON THE ROUTE TO A PHENOMENOLOGICAL MODEL 78 9.4. USING THE RESULTS FOR TRANSPORT CALCULATIONS 82 10. TRANSPORT CALCULATIONS 87 10.1. FORMALISM 87 10.2. LOCALIZED MESOSCOPIC TRANSPORT 88 10.2.1. DECOMPOSITION 90 10.2.2. AVERAGE VALUES 91 10.3. CONTROLLABLE FINITE SPIN CONDUCTANCE 92 10.4. SUMMARY 93 11. CONCLUSIONS AND PERSPECTIVES 95 11.1. SPIN RELAXATION IN GRAPHENE 95 11.2. ZIGZAG EDGE MAGNETISM 97 11.3. PERSPECTIVES 97 III. APPENDIX 99 A. RECURSIVE GREEN S FUNCTION FORMALISM 101 B. INTERACTIONS 103 B.L. INTERACTING HAMILTONIAN IN SECOND QUANTIZATION FOR UNCORRELATED ELECTRONSL03 B.2. INTERACTING HAMILTONIAN ON A DISCRETE LATTICE 104 B.3. HUBBARD MODEL IN HARTREE-FOCK APPROXIMATION 105 VI CONTENTS VII B. 1. CALCULATION SCHEME 108 C. SHERMAN SPIN RELAXATION 109 C.L. CORRELATION FUNCTION OF RASHBA DISORDER 109 C.2. SHERMAN SPIN RELAXATION RATE 112 BIBLIOGRAPHY 113 PUBLICATION LIST 125 DANKSAGUNG 127
any_adam_object	1
author	Bundesmann, Jan
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discipline	Physik
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spelling	Bundesmann, Jan Verfasser aut Spin-dependent transport in graphene nanostructures Jan Bundesmann 1. Aufl. Regensburg Univ.-Verl. Regensburg 2014 VII, 127 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Dissertationsreihe der Fakultät für Physik der Universität Regensburg 42 Zugl.: Regensburg, Univ., Diss., 2014 Hamilton-Operator (DE-588)4072278-8 gnd rswk-swf Spin (DE-588)4125988-9 gnd rswk-swf Graphen (DE-588)7591667-8 gnd rswk-swf Elektronischer Transport (DE-588)4210733-7 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Graphen (DE-588)7591667-8 s Elektronischer Transport (DE-588)4210733-7 s Spin (DE-588)4125988-9 s Hamilton-Operator (DE-588)4072278-8 s DE-604 Erscheint auch als Online-Ausgabe urn:nbn:de:bvb:355-epub-309375 Dissertationsreihe der Fakultät für Physik der Universität Regensburg 42 (DE-604)BV035566746 42 http://epub.uni-regensburg.de/30937/ Verlag kostenfrei Volltext https://nbn-resolving.org/urn:nbn:de:bvb:355-epub-309375 Resolving-System DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027624099&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis
spellingShingle	Bundesmann, Jan Spin-dependent transport in graphene nanostructures Dissertationsreihe der Fakultät für Physik der Universität Regensburg Hamilton-Operator (DE-588)4072278-8 gnd Spin (DE-588)4125988-9 gnd Graphen (DE-588)7591667-8 gnd Elektronischer Transport (DE-588)4210733-7 gnd
subject_GND	(DE-588)4072278-8 (DE-588)4125988-9 (DE-588)7591667-8 (DE-588)4210733-7 (DE-588)4113937-9
title	Spin-dependent transport in graphene nanostructures
title_auth	Spin-dependent transport in graphene nanostructures
title_exact_search	Spin-dependent transport in graphene nanostructures
title_full	Spin-dependent transport in graphene nanostructures Jan Bundesmann
title_fullStr	Spin-dependent transport in graphene nanostructures Jan Bundesmann
title_full_unstemmed	Spin-dependent transport in graphene nanostructures Jan Bundesmann
title_short	Spin-dependent transport in graphene nanostructures
title_sort	spin dependent transport in graphene nanostructures
topic	Hamilton-Operator (DE-588)4072278-8 gnd Spin (DE-588)4125988-9 gnd Graphen (DE-588)7591667-8 gnd Elektronischer Transport (DE-588)4210733-7 gnd
topic_facet	Hamilton-Operator Spin Graphen Elektronischer Transport Hochschulschrift
url	http://epub.uni-regensburg.de/30937/ https://nbn-resolving.org/urn:nbn:de:bvb:355-epub-309375 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027624099&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
volume_link	(DE-604)BV035566746
work_keys_str_mv	AT bundesmannjan spindependenttransportingraphenenanostructures

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