Muon spin relaxation and rotation of iron-based superconductors:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2012
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | V, 174 S. Ill., graph. Darst. |
Internformat
MARC
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| 264 | 1 | |c 2012 | |
| 300 | |a V, 174 S. |b Ill., graph. Darst. | ||
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| 502 | |a Dresden, Techn. Univ., Diss., 2012 | ||
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Datensatz im Suchindex
| _version_ | 1804150108056453121 |
|---|---|
| adam_text | IMAGE 1
CONTENTS
1 INTRODUCTION 1
2 MUON SPIN RELAXATION AND ROTATION 3
2.1 PRINCIPLES OF MUON SPIN RELAXATION AND ROTATION 4
2.1.1 MUON PRODUCTION AND IMPLANTATION 4
2.1.2 THE MUON DECAY 5
2.1.3 PRINCIPLES OF THE EXPERIMENTAL SETUP FOR /ISR 6
2.1.4 THE INTERACTION OF THE MUON WITH THE SAMPLE 8
2.2 TEMPORAL MAGNETIC FLUCTUATIONS: SPIN-LATTICE RELAXATION 9
2.3 TEMPERATURE DEPENDENCE OF THE SPIN-LATTICE RELAXATION RATE 10
2.3.1 COLLECTIVE MAGNETIC EXCITATIONS OF ITINERANT SYSTEMS 12
2.3.2 CRYSTAL-ELECTRIC-FIELD EXCITATIONS 14
2.4 SPATIAL MAGNETIC FLUCTUATIONS 18
2.4.1 NUCLEAR MAGNETIC DIPOLES 19
2.4.2 MAGNETIC ORDER 20
2.4.3 VORTEX LATTICE OF A TYPE-II SUPERCONDUCTOR 22
2.5 SIMULTANEOUS TEMPORAL AND SPATIAL FLUCTUATIONS 28
3 IRON-BASED SUPERCONDUCTORS 2 9
3.1 NORMAL-STATE PROPERTIES 30
3.2 PHASE DIAGRAMS 35
3.2.1 1111 MATERIALS 35
3.2.2 122 MATERIALS 37
3.3 MAGNETIC ORDER 39
3.4 SUPERCONDUCTIVITY 40
3.4.1 THEORETICAL STUDIES 40
3.4.2 EXPERIMENTAL STUDIES 41
4 MUON SPIN RELAXATION O F RFEASO 4 4
4.1 INTRODUCTION . 44
4.2 SAMPLE PREPARATION 46
4.3 MUON SPIN RELAXATION MEASUREMENTS 47
4.3.1 RESULTS 47
4.3.2 IRON MAGNETIC ORDER 51
4.3.3 RARE EARTH MAGNETIC ORDER 57
III
HTTP://D-NB.INFO/1033514349
IMAGE 2
CONTENTS
4.4 DISCUSSION 59
4.4.1 MUON SPIN RELAXATION OF FERROPNICTIDES 59
4.4.2 FE-CE INTERACTION: QUANTITATIVE RESULTS 61
4.4.3 FE-PR INTERACTION 65
4.4.4 FE-SM INTERACTION 67
4.4.5 FE-R INTERACTION: RARE EARTH MAGNETIC ORDER 70
4.5 CONCLUSION 70
5 ELECTRONIC AND STRUCTURAL PHASE DIAGRAMS O F RFEASOI_ X F X 7 4
5.1 INTRODUCTION 74
5.2 SAMPLE PREPARATION AND EXPERIMENTAL DETAILS 76
5.3 ELECTRICAL RESISTIVITY OF SMFEASOI_ X F X AND CEFEASOI_ X F X 77
5.4 X-RAY DIFFRACTION OF SMFEASOI_ X F X A N D CEFEASOI_ X F X 79
5.4.1 INTRODUCTION 79
5.4.2 UNIVERSALITY CLASS OF THE STRUCTURAL ORDER PARAMETER 79
5.4.3 STRUCTURAL QUANTUM PHASE TRANSITION 81
5.4.4 RESOLUTION LIMIT 82
5.4.5 SUPERCONDUCTIVITY 85
5.4.6 DOPING EVOLUTION OF THE STRUCTURAL TRANSITION IN SMFEASOI_ X F X .
87 5.4.7 SUMMARY 88
5.5 MUON SPIN RELAXATION OF SMFEASOI_ X F X 89
5.5.1 INTRODUCTION 89
5.5.2 FE MAGNETIC ORDER 92
5.5.3 A PHENOMENOLOGICAL MODEL FOR THE FE MAGNETIC PHASE TRANSITION . 97
5.5.4 SM MAGNETIC ORDER 100
5.5.5 SPIN FLUCTUATIONS 103
5.5.6 SUPERCONDUCTIVITY 109
5.6 SUMMARY AND DISCUSSION: SMFEASOI_ X F X I L L
5.7 CEFEASOI_ X F X 116
5.7.1 FE MAGNETIC ORDER 116
5.7.2 CE MAGNETIC ORDER 120
5.7.3 SUPERCONDUCTIVITY 121
5.7.4 MAGNETIC SUSCEPTIBILITY MEASUREMENTS 124
5.7.5 MOSSBAUER SPECTROSCOPY MEASUREMENTS 125
5.8 SUMMARY AND DISCUSSION: CEFEASOI_ X F X 128
5.9 CONCLUSION 133
6 MUON SPIN RELAXATION O F BAI_ X NA X FE2AS2 138
6.1 INTRODUCTION 138
6.2 EXPERIMENTAL DETAILS 140
6.3 MAGNETIC SUSCEPTIBILITY MEASUREMENTS 140
6.4 MUON SPIN RELAXATION MEASUREMENTS 141
6.4.1 MAGNETIC ORDER 141
6.4.2 SUPERCONDUCTIVITY 145
IV
IMAGE 3
CONTENTS
6.5 DISCUSSION: COMPETITION OF MAGNETIC ORDER AND SUPERCONDUCTIVITY . .
. . 148 6.5.1 EXPERIMENTAL RESULTS 148
6.5.2 THEORETICAL RESULTS 149
6.6 CONCLUSION - 151
7 CONCLUSION 153
LIST O F FIGURES 157
LIST O F TABLES 158
BIBLIOGRAPHY 1 7 4
V
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| any_adam_object | 1 |
| author | Maeter, Hemke 1981- |
| author_GND | (DE-588)1031157840 |
| author_facet | Maeter, Hemke 1981- |
| author_role | aut |
| author_sort | Maeter, Hemke 1981- |
| author_variant | h m hm |
| building | Verbundindex |
| bvnumber | BV040776402 |
| classification_rvk | UP 2200 |
| ctrlnum | (OCoLC)853279770 (DE-599)BSZ378075659 |
| dewey-full | 537.6236 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 537 - Electricity and electronics |
| dewey-raw | 537.6236 |
| dewey-search | 537.6236 |
| dewey-sort | 3537.6236 |
| dewey-tens | 530 - Physics |
| discipline | Physik |
| format | Thesis Book |
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| indexdate | 2024-07-10T00:33:40Z |
| institution | BVB |
| language | English |
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| physical | V, 174 S. Ill., graph. Darst. |
| publishDate | 2012 |
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| spelling | Maeter, Hemke 1981- Verfasser (DE-588)1031157840 aut Muon spin relaxation and rotation of iron-based superconductors von Hemke Maeter 2012 V, 174 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Dresden, Techn. Univ., Diss., 2012 Myon (DE-588)4170940-8 gnd rswk-swf Spinrelaxation (DE-588)4182333-3 gnd rswk-swf Supraleitung (DE-588)4058651-0 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Supraleitung (DE-588)4058651-0 s Spinrelaxation (DE-588)4182333-3 s Myon (DE-588)4170940-8 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025754726&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Maeter, Hemke 1981- Muon spin relaxation and rotation of iron-based superconductors Myon (DE-588)4170940-8 gnd Spinrelaxation (DE-588)4182333-3 gnd Supraleitung (DE-588)4058651-0 gnd |
| subject_GND | (DE-588)4170940-8 (DE-588)4182333-3 (DE-588)4058651-0 (DE-588)4113937-9 |
| title | Muon spin relaxation and rotation of iron-based superconductors |
| title_auth | Muon spin relaxation and rotation of iron-based superconductors |
| title_exact_search | Muon spin relaxation and rotation of iron-based superconductors |
| title_full | Muon spin relaxation and rotation of iron-based superconductors von Hemke Maeter |
| title_fullStr | Muon spin relaxation and rotation of iron-based superconductors von Hemke Maeter |
| title_full_unstemmed | Muon spin relaxation and rotation of iron-based superconductors von Hemke Maeter |
| title_short | Muon spin relaxation and rotation of iron-based superconductors |
| title_sort | muon spin relaxation and rotation of iron based superconductors |
| topic | Myon (DE-588)4170940-8 gnd Spinrelaxation (DE-588)4182333-3 gnd Supraleitung (DE-588)4058651-0 gnd |
| topic_facet | Myon Spinrelaxation Supraleitung Hochschulschrift |
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