Magnetic heat transport in low-dimensional quantum spin systems:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2013
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 158 S. Ill., graph. Darst. |
Internformat
MARC
| LEADER | 00000nam a2200000 c 4500 | ||
|---|---|---|---|
| 001 | BV041627664 | ||
| 003 | DE-604 | ||
| 005 | 00000000000000.0 | ||
| 007 | t | ||
| 008 | 140205s2013 ad|| m||| 00||| eng d | ||
| 035 | |a (OCoLC)880387491 | ||
| 035 | |a (DE-599)BSZ399098313 | ||
| 040 | |a DE-604 |b ger | ||
| 041 | 0 | |a eng | |
| 049 | |a DE-188 | ||
| 082 | 0 | |a 536.2012 |2 22/ger | |
| 084 | |a UP 6700 |0 (DE-625)146429: |2 rvk | ||
| 100 | 1 | |a Mityashkin, Oleg |d 1987- |e Verfasser |0 (DE-588)1045599719 |4 aut | |
| 245 | 1 | 0 | |a Magnetic heat transport in low-dimensional quantum spin systems |c von Oleg Mityashkin |
| 264 | 1 | |c 2013 | |
| 300 | |a 158 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 502 | |a Dresden, Techn. Univ., Diss., 2013 | ||
| 655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
| 856 | 4 | 2 | |m DNB Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027068636&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 999 | |a oai:aleph.bib-bvb.de:BVB01-027068636 | ||
Datensatz im Suchindex
| _version_ | 1804151844413374464 |
|---|---|
| adam_text | CONTENTS
1 INTRODUCTION 9
2 LOW-DIMENSIONAL QUANTUM SPIN SYSTEMS 13
2.1 INTRODUCTION 13
2.2 HEISENBERG MODEL 14
2.3 QUANTUM SPIN CHAINS 15
2.4
S *
1/2 HEISENBERG LADDERS 17
2.5 TWO-DIMENSIONAL (2D) SQUARE LATTICE 19
3 HEAT TRANSPORT THEORY 21
3.1 FOURIER S LAW 21
3.2 KINETIC MODEL 22
3.3 HEAT CONDUCTIVITY BY PHONONS 23
3.4 HEAT CONDUCTIVITY BY ELECTRONS 25
3.5 HEAT CONDUCTIVITY BY MAGNETIC EXCITATIONS 26
3.5.1 EXPERIMENTAL EVIDENCE OF MAGNETIC HEAT CONDUCTIVITY .... 26
3.5.2 HEAT TRANSPORT IN SPIN CHAINS 31
3.5.3 HEAT TRANSPORT IN 2D SQUARE LATTICE 33
3.5.4 THE MAGNETIC MEAN FREE PATH MODELLING 34
4 MOTIVATION 37
4.1 RECENT RESULTS FOR THE SPIN CHAIN COMPOUND SRCU02 37
4.2 THE SPIN CHAIN SYSTEM CACII203 41
4.3 THE 2D SQUARE LATTICE COMPOUND LA2CU04 43
4.4 GOALS 45
5 EXPERIMENTAL METHODS 47
5.1 INTRODUCTION 47
5.2 STEADY STATE METHOD 48
5.2.1 MEASUREMENT PRINCIPLE 48
5.2.2 EXPERIMENTAL DETAILS 49
5.2.3 ERRORS 51
5.2.4 HIGH TEMPERATURE LIMITATION 52
5.3 DYNAMIC FLASH METHOD 55
5.3.1 PARKER DIFFUSION MODEL 55
5.3.2 CAPE-LEHMAN DIFFUSION MODEL 56
5
HTTP://D-NB.INFO/1046792156
CONTENTS 6
5.3.3 CONDITIONS OF THE MODEL SELECTION 60
5.3.4 RADIATION LOSSES 61
5.4 EXPERIMENTAL DETAILS OF DYNAMIC FLASH METHOD 61
5.4.1 THE LFA 457 MICROFLASH SETUP 62
5.4.2 MEASURING PART OF LFA - 63
5.4.3 SAMPLE PREPARATION 67
5.4.4 IMPROVEMENT OF THE SETUP 67
5.4.5 ERRORS 70
5.5 CONCLUSIONS 70
6 RESULTS I: THE SPIN CHAIN COMPOUNDS SRCUC 2
AND CACU203 71
6.1 THE DOUBLE SPIN CHAIN COMPOUND SRCU02 71
6.1.1 CRYSTAL STRUCTURE 71
6.1.2 EXPERIMENTAL DETAILS 73
6.1.3 HEAT CONDUCTIVITY OF ULTRA-HIGH PURE SRCU0
2
CRYSTALS .... 76
6.1.4 HIGH TEMPERATURE RESULTS ... 83
6.1.5 MEAN FREE PATH ANALYSIS 84
6.2 THE WEAKLY COUPLED SPIN-1/2 CHAIN MATERIAL CACU203 89
6.2.1 CRYSTAL STRUCTURE 89
6.2.2 EXPERIMENTAL DETAILS 90
6.2.3 RESULTS AND DISCUSSION 92
6.2.4 MEAN FREE PATH ANALYSIS 95
6.2.5 COMPARISON TO SRCU0
2
98
6.3 SUMMARY 101
7 RESULTS II: THE TWO-DIMENSIONAL ANTIFERROMAGNET LA2CU04 103
7.1 CRYSTAL STRUCTURE 103
7.2 EXPERIMENTAL DETAILS 105
7.3 RESULTS AND DISCUSSION 107
7.3.1 MAGNETIC HEAT CONDUCTIVITY ANALYSIS 108
7.3.2 MEAN FREE PATH ANALYSIS 110
7.3.3 COMPARISON OF THE MAGNETIC MEAN FREE PATH WITH THE CORRE
LATION LENGTH . . 115
7.3.4 TRANSITION 116
7.4 SUMMARY 116
8 SUMMARY AND CONCLUSION 119
A BALLISTIC HEAT TRANSPORT IN LOW-DIMENSIONAL SYSTEMS 123
A.L INTRODUCTION 123
A.2 TIME-DOMAIN THERMOREFLECTANCE 124
A.2.1 EXPERIMENTAL SETUP 124
A.2.2 RESULTS AND DISCUSSION 125
A.2.3 SUMMARY 127
CONTENTS 7
A.3 BOLOMETER MEASUREMENTS 127
A.3.1 EXPERIMENTAL TECHNIQUE 128
A.3.2 RESULTS AND DISCUSSION 130
A.3.3 SUMMARY 133
B THE SPIN*LADDER LASCAGCT^O^ COMPOUND 137
B.L CRYSTAL STRUCTURE 137
B.2 RESULTS 139
B.2.1 THE ULTRA HIGH PURE CRYSTAL 139
B.2.2 THE THE 7% AND 9% LA EXCESS CRYSTALS 141
B.2.3 THE HIGH TEMPERATURE RESULTS 141
B.2.4 DISCUSSION 141
B.3 ADDITIONAL FIGURES 143
BIBLIOGRAPHY 145
ACKNOWLEDGMENT 157
|
| any_adam_object | 1 |
| author | Mityashkin, Oleg 1987- |
| author_GND | (DE-588)1045599719 |
| author_facet | Mityashkin, Oleg 1987- |
| author_role | aut |
| author_sort | Mityashkin, Oleg 1987- |
| author_variant | o m om |
| building | Verbundindex |
| bvnumber | BV041627664 |
| classification_rvk | UP 6700 |
| ctrlnum | (OCoLC)880387491 (DE-599)BSZ399098313 |
| dewey-full | 536.2012 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 536 - Heat |
| dewey-raw | 536.2012 |
| dewey-search | 536.2012 |
| dewey-sort | 3536.2012 |
| dewey-tens | 530 - Physics |
| discipline | Physik |
| format | Thesis Book |
| fullrecord | <?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01132nam a2200301 c 4500</leader><controlfield tag="001">BV041627664</controlfield><controlfield tag="003">DE-604</controlfield><controlfield tag="005">00000000000000.0</controlfield><controlfield tag="007">t</controlfield><controlfield tag="008">140205s2013 ad|| m||| 00||| eng d</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)880387491</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)BSZ399098313</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-604</subfield><subfield code="b">ger</subfield></datafield><datafield tag="041" ind1="0" ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">DE-188</subfield></datafield><datafield tag="082" ind1="0" ind2=" "><subfield code="a">536.2012</subfield><subfield code="2">22/ger</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">UP 6700</subfield><subfield code="0">(DE-625)146429:</subfield><subfield code="2">rvk</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Mityashkin, Oleg</subfield><subfield code="d">1987-</subfield><subfield code="e">Verfasser</subfield><subfield code="0">(DE-588)1045599719</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Magnetic heat transport in low-dimensional quantum spin systems</subfield><subfield code="c">von Oleg Mityashkin</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2013</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">158 S.</subfield><subfield code="b">Ill., graph. Darst.</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="502" ind1=" " ind2=" "><subfield code="a">Dresden, Techn. Univ., Diss., 2013</subfield></datafield><datafield tag="655" ind1=" " ind2="7"><subfield code="0">(DE-588)4113937-9</subfield><subfield code="a">Hochschulschrift</subfield><subfield code="2">gnd-content</subfield></datafield><datafield tag="856" ind1="4" ind2="2"><subfield code="m">DNB Datenaustausch</subfield><subfield code="q">application/pdf</subfield><subfield code="u">http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027068636&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA</subfield><subfield code="3">Inhaltsverzeichnis</subfield></datafield><datafield tag="999" ind1=" " ind2=" "><subfield code="a">oai:aleph.bib-bvb.de:BVB01-027068636</subfield></datafield></record></collection> |
| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| id | DE-604.BV041627664 |
| illustrated | Illustrated |
| indexdate | 2024-07-10T01:01:16Z |
| institution | BVB |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-027068636 |
| oclc_num | 880387491 |
| open_access_boolean | |
| owner | DE-188 |
| owner_facet | DE-188 |
| physical | 158 S. Ill., graph. Darst. |
| publishDate | 2013 |
| publishDateSearch | 2013 |
| publishDateSort | 2013 |
| record_format | marc |
| spelling | Mityashkin, Oleg 1987- Verfasser (DE-588)1045599719 aut Magnetic heat transport in low-dimensional quantum spin systems von Oleg Mityashkin 2013 158 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Dresden, Techn. Univ., Diss., 2013 (DE-588)4113937-9 Hochschulschrift gnd-content DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027068636&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Mityashkin, Oleg 1987- Magnetic heat transport in low-dimensional quantum spin systems |
| subject_GND | (DE-588)4113937-9 |
| title | Magnetic heat transport in low-dimensional quantum spin systems |
| title_auth | Magnetic heat transport in low-dimensional quantum spin systems |
| title_exact_search | Magnetic heat transport in low-dimensional quantum spin systems |
| title_full | Magnetic heat transport in low-dimensional quantum spin systems von Oleg Mityashkin |
| title_fullStr | Magnetic heat transport in low-dimensional quantum spin systems von Oleg Mityashkin |
| title_full_unstemmed | Magnetic heat transport in low-dimensional quantum spin systems von Oleg Mityashkin |
| title_short | Magnetic heat transport in low-dimensional quantum spin systems |
| title_sort | magnetic heat transport in low dimensional quantum spin systems |
| topic_facet | Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027068636&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT mityashkinoleg magneticheattransportinlowdimensionalquantumspinsystems |