Verfügbarkeit: Optoelectronic transport in topologically protected quantum systems

Optoelectronic transport in topologically protected quantum systems:

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Bibliographische Detailangaben
1. Verfasser:	Kastl, Christoph (VerfasserIn)
Format:	Abschlussarbeit Buch
Sprache:	English
Veröffentlicht:	Garching Verein zur Förderung des Walter Schottky Instituts der Technischen Universität Münche e.V. 2015
Ausgabe:	1. Auflage
Schriftenreihe:	Selected topics of semiconductor physics and technology Vol. 193
Schlagworte:	Photostrom Oberfläche Bismutchalkogenide Topologischer Isolator Hochschulschrift
Online-Zugang:	Inhaltsverzeichnis
Beschreibung:	130 Seiten Diagramme
ISBN:	9783941650930

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MARC


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Datensatz im Suchindex

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adam_text	CONTENTS INTRODUCTION 1 1 SYMMETRY AND TOPOLOGY 5 1.1 TIME-REVERSAL SYMMETRY AND KRAMERS THEOREM ................................................. 5 1.2 TOPOLOGICAL * 2 CLASSIFICATION OF TIME-REVERSAL INVARIANT HAMILTONIANS ..... 6 1.3 * 2 INVARIANTS WITH INVERSION SYMMETRY .............................................................. 10 1.4 TOPOLOGICAL PHASE TRANSITION BY SPIN-ORBIT COUPLING ........................................ 11 1.5 TOPOLOGICALLY TRIVIAL AND NON-TRIVIAL SURFACE S T A T E S ........................................... 12 2 MATERIALS 15 2.1 BISMUTH SELENIDE - A PROTOTYPICAL TOPOLOGICAL INSULATOR ..................................... 16 2.1.1 CRYSTAL S TR U C TU R E ...................................................................................... 16 2.1.2 EFFECTIVE HAMILTONIAN AND SURFACE STATE DISPERSION............................... 16 2.1.3 TRIVIAL SURFACE STATES WITH RASHBA SPIN-ORBIT INTERACTION ... 19 2.2 SURFACE STATE HYBRIDIZATION IN ULTRATHIN L A Y E R S ................................................. 22 2.3 TERNARY TOPOLOGICAL INSULATOR (BI_XSBX) 2 TE 3 .................................................... 24 2.4 DANSPORT PROPERTIES OF HELICAL MASSLESS DIRAC FE RM IO N S .................................. 25 2.5 TOPOLOGICAL INSULATORS FOR SPINTRONIC APPLICATIONS .............................................. 28 2.6 FIELD EFFECT GATING OF THIN TOPOLOGICAL INSULATOR FILM S ........................................ 28 3 OPTOELECTRONICS 31 3.1 OPTICAL EXCITATION AND RELAXATION DYNAM ICS ....................................................... 31 3.2 ULTRAFAST HEAT TRANSPORT WITHIN THE TWO-TEMPERATURE MODEL .......... 33 3.3 PHOTOCURRENT GENERATION M ECHANISM S................................................................. 34 3.3.1 PHOTOTHERMOELECTRIC E F F E C T....................................................................... 34 3.3.2 PHOTOGALVANIC E FFE C TS................................................................................ 35 3.4 LONG-RANGE PHOTORESPONSE IN GAPLESS M A TERIALS ................................................. 39 4 ULTRAFAST HELICITY CONTRO OF SURFACE CURRENTS IN TOPOLOGICAL INSULATORS 43 4.1 PRINCIPLES OF PICOSECOND TIME-DOMAIN PHOTOCURRENT SPECTROSCOPY ....... 44 4.2 FABRICATION OF ELECTRONIC C IRC U ITS.......................................................................... 46 4.3 TIME-INTEGRATED PHOTOCURRENT SPECTROSCOPY ....................................................... 48 4.3.1 PHOTOCURRENTS AT METAL-TOPOLOGICAL INSULATOR INTERFACES ........ 48 4.3.2 PHOTOGALVANIC CURRENTS AT VARYING ANGLE OF INCIDENCE .......... 49 4.3.3 PHOTOGALVANIC CURRENTS AT VARYING PHOTON ENERGY .................................. 51 4.4 TIME-RESOLVED HOT ELECTRON CURRENTS IN TOPOLOGICAL INSULATORS ......... 52 4.4.1 NON-EQUILIBRIUM EXPANSION DYNAMICS OF HOT ELECTRONS ......... 52 4.4.2 TIME-OF-FLIGHT ANALYSIS OF PHOTOGENERATED CHARGE CARRIERS ....... 56 4.5 ULTRAFAST HELICITY CONTROL OF SURFACE CURRENTS ..................................................... 59 5 LOCA* PHOTOCURRENT GENERATION IN TOPOLOGICA* INSULATORS 63 5.1 SCANNING PHOTOCURRENT MICROSCOPY........................................................................ 64 5.2 LOCAL PHOTOCURRENTS IN TOPOLOGICAL INSULATOR THIN FILM S ..................................... 67 6 CHEMICAL POTENTIAL FLUCTUATIONS IN TOPOLOGICAL INSULATOR FILMS 73 6.1 ATOMIC FORCE MICROSCOPE BASED DYNAMIC PLOWING LITHOGRAPHY ......... 74 6.2 SURFACE PHOTOCURRENTS REVEALED BY AFM BASED NANOLITHOGRAPHY ....... 77 6.3 PHOTOTHERMOELECTRIC CURRENT GENERATION IN QUASI ID CONSTRICTIONS ....... 79 7 QUANTIZED ID EDGE CHANNELS N 3D TOPOLOGICAL INSULATORS 85 7.1 EDGE PHOTOCURRENTS WITH QUANTIZED CONDUCTANCE............................................... 85 7.2 OPTICALLY ACTIVATED ID CHANNELS IN BISMUTH CHALCOGENIDES ........... 90 7.3 HELICAL STATES BY STRONG SPIN-ORBIT COUPLING ........................................................ 93 8 OPTOELECTRONIC TRANSPORT THROUGH QUANTUM H AE EDGE STATES 99 8.1 RADIO FREQUENCY SCANNING PHOTOCURRENT M ICRO SCO P Y .............................................101 8.2 PHOTOINDUCED QUANTUM TRANSPORT IN ONE-DIMENSIONAL EDGE CHANNELS ..... 103 8.3 INFLUENCE OF PHOTOGENERATED HOLES ON THE OPTOELECTRONIC TRANSPORT ...... 106 8.4 IMPACT OF COMPRESSIBLE AND INCOMPRESSIBLE STRIP FORMATION .......... 107 SUMMARY 111 APPENDIX - CLEANROOM PROCESSING AND SAMPLE DETAILS 113 1 LITHOGRAPHY OF SILICON PHOTOSWITCH ........................................... 113 2 LITHOGRAPHY OF WAVEGUIDES........................................................................................113 3 LST OF SAMPLES FOR TIMERESOLVED M E ^ R E ^ ^ ...................................................114 4 LIS T OR BISMUTH CHALCOGENIDE FILMS ON SRTI 3 ...........................................................114 BIBLIOGRAPHY 115 PUBLICATIONS 131
any_adam_object	1
author	Kastl, Christoph
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author_sort	Kastl, Christoph
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bvnumber	BV043267145
classification_tum	TEC 030d PHY 685d ELT 300d
ctrlnum	(OCoLC)945172889 (DE-599)BVBBV043267145
discipline	Physik Technik Elektrotechnik
edition	1. Auflage
format	Thesis Book
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isbn	9783941650930
language	English
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publisher	Verein zur Förderung des Walter Schottky Instituts der Technischen Universität Münche e.V.
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series	Selected topics of semiconductor physics and technology
series2	Selected topics of semiconductor physics and technology
spelling	Kastl, Christoph Verfasser (DE-588)1096246422 aut Optoelectronic transport in topologically protected quantum systems Christoph Werner Kastl 1. Auflage Garching Verein zur Förderung des Walter Schottky Instituts der Technischen Universität Münche e.V. 2015 130 Seiten Diagramme txt rdacontent n rdamedia nc rdacarrier Selected topics of semiconductor physics and technology Vol. 193 Dissertation Technische Universität München 2015 Photostrom (DE-588)4400572-6 gnd rswk-swf Oberfläche (DE-588)4042907-6 gnd rswk-swf Bismutchalkogenide (DE-588)4437167-6 gnd rswk-swf Topologischer Isolator (DE-588)1035519526 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Bismutchalkogenide (DE-588)4437167-6 s Topologischer Isolator (DE-588)1035519526 s Oberfläche (DE-588)4042907-6 s Photostrom (DE-588)4400572-6 s DE-604 Selected topics of semiconductor physics and technology Vol. 193 (DE-604)BV011499438 193 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=028688933&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis
spellingShingle	Kastl, Christoph Optoelectronic transport in topologically protected quantum systems Selected topics of semiconductor physics and technology Photostrom (DE-588)4400572-6 gnd Oberfläche (DE-588)4042907-6 gnd Bismutchalkogenide (DE-588)4437167-6 gnd Topologischer Isolator (DE-588)1035519526 gnd
subject_GND	(DE-588)4400572-6 (DE-588)4042907-6 (DE-588)4437167-6 (DE-588)1035519526 (DE-588)4113937-9
title	Optoelectronic transport in topologically protected quantum systems
title_auth	Optoelectronic transport in topologically protected quantum systems
title_exact_search	Optoelectronic transport in topologically protected quantum systems
title_full	Optoelectronic transport in topologically protected quantum systems Christoph Werner Kastl
title_fullStr	Optoelectronic transport in topologically protected quantum systems Christoph Werner Kastl
title_full_unstemmed	Optoelectronic transport in topologically protected quantum systems Christoph Werner Kastl
title_short	Optoelectronic transport in topologically protected quantum systems
title_sort	optoelectronic transport in topologically protected quantum systems
topic	Photostrom (DE-588)4400572-6 gnd Oberfläche (DE-588)4042907-6 gnd Bismutchalkogenide (DE-588)4437167-6 gnd Topologischer Isolator (DE-588)1035519526 gnd
topic_facet	Photostrom Oberfläche Bismutchalkogenide Topologischer Isolator Hochschulschrift
url	http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=028688933&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
volume_link	(DE-604)BV011499438
work_keys_str_mv	AT kastlchristoph optoelectronictransportintopologicallyprotectedquantumsystems

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