Gallium nitride based thin films for photon and particle radiation dosimetry:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2012
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| Schlagworte: | |
| Online-Zugang: | Volltext https://nbn-resolving.org/urn:nbn:de:bvb:384-opus4-19919 Inhaltsverzeichnis |
| Beschreibung: | 141 S. Ill., graph. Darst. |
Internformat
MARC
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| 100 | 1 | |a Hofstetter, Markus |d 1978- |e Verfasser |0 (DE-588)1032278897 |4 aut | |
| 245 | 1 | 0 | |a Gallium nitride based thin films for photon and particle radiation dosimetry |c von Markus Hofstetter |
| 264 | 1 | |c 2012 | |
| 300 | |a 141 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 502 | |a Augsburg, Univ., Diss., 2012 | ||
| 650 | 0 | 7 | |a Dosimetrie |0 (DE-588)4127470-2 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Galliumnitrid |0 (DE-588)4375592-6 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a HEMT |0 (DE-588)4211873-6 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Biosensor |0 (DE-588)4193016-2 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Ionisierende Strahlung |0 (DE-588)4027633-8 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Dünnschichtsensor |0 (DE-588)4311478-7 |2 gnd |9 rswk-swf |
| 655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
| 689 | 0 | 0 | |a Galliumnitrid |0 (DE-588)4375592-6 |D s |
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| 689 | 0 | 5 | |a Biosensor |0 (DE-588)4193016-2 |D s |
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| 856 | 4 | |u https://nbn-resolving.org/urn:nbn:de:bvb:384-opus4-19919 |x Resolving-System | |
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| 912 | |a ebook | ||
| 999 | |a oai:aleph.bib-bvb.de:BVB01-025858631 | ||
Datensatz im Suchindex
| _version_ | 1804150160899440640 |
|---|---|
| adam_text | IMAGE 1
CONTENTS
CONTENTS
ZUSAMMENFASSUNG 2
ABSTRACT 4
CONTENTS 5
1 INTRODUCTION 9
1.1 RADIATION 9
1.2 X-RAY DETECTION AND DOSIMETRY 10
1.3 GALLIUM NITRIDE SEMICONDUCTORS AND HETEROSTRUCTURES 13
1.4 GAIN MODEL OF GAN PHOTOCONDUCTORS 16
1.5 BIOSENSORS 18
1.6 SCOPE OF THIS WORK 20
2 MATERIAL AND METHODS 2 1
2.1 GAN HIGH ELECTRON MOBILITY TRANSISTORS AND GAN THIN FILMS 21
2.2 PROCESSING OF GAN DEVICES 23
2.3 RADIATION SOURCES 26
2.3.1 LARGE-FIELD X-RAY IRRADIATION 26
2.3.2 SMALL FIELD SYNCHROTRON IRRADIATION 27
2.3.3 PROTON IRRADIATION 28
2.4 MEASUREMENT SET-UP 29
2.4.1 TRANSLATION STAGE 29
2.4.2 SYNCHROTRON IRRADIATION SET-UP 30
2.4.3 PROTON IRRADIATION SET-UP 31
2.4.4 MEASUREMENTS IN LIQUIDS 34
2.5 IMAGING TECHNIQUES 35
2.5.1 OPTICAL IMAGING 35
2.5.2 LASER SCANNING MICROSCOPY 35
2.5.3 AFM MEASUREMENTS 36
2.6TISSUE CULTURE 37
2.6.1 CELL STAINING WITH FLUOROPHORES 37
2.6.2 SAMPLE FUNCTIONALIZATION 38
5
HTTP://D-NB.INFO/1035625490
IMAGE 2
GAN BASED THIN FILMS FOR PHOTON AND PARTICLE RADIATION DOSIMETRY
3 X-RAY RADIATION RESPONSE OF SINGLE GAN THIN FILM LAYERS 39
3.1 KERMA RATE DEPENDENCE 42
3.2 TRANSIENT BEHAVIOR 46
3.3 TOTAL DOSE RESPONSE 49
3.4 ENERGY DEPENDENCE 52
3.4.1 ABSORPTION 52
3.4.2 X-RAY ENERGY DEPENDENT RESPONSE 55
3.5 INCIDENT ANGLE DEPENDENCE 57
3.6 IMPACT OF ELECTRODE AND 2DEG CHANNEL GEOMETRY ON BUFFER RESPONSE 59
3.7 LUMINESCENCE 67
3.8 EVALUATION OF GAN-BASED THIN FILMS FOR SENSOR APPLICATIONS 69
3.8.1 LOCAL DOSIMETRY 69
3.8.2 TIME RESOLVED DOSIMETRY 71
3.8.3 IMAGING 72
4 X-RAY RADIATION RESPONSE OF GAN-HEMTS 74
4.1 BUFFER VS. HEMT RESPONSE 77
4.2 TRANSIENT BEHAVIOR 80
4.3 X-RAY RESPONSE OF GATED DEVICES 8 1
4.3.1 IMAGING 84
5 PROTON RADIATION RESPONSE OF GAN HEMTS 88
5.1 PROTON FLUX DEPENDENCE 88
5.2 PROTON RESPONSE OF GATED DEVICES 92
6 TOWARDS A GAN BASED BIOSENSOR FOR RADIATION EXPERIMENTS 94
6.1 COMBINED SURFACE POTENTIAL AND RADIATION MEASUREMENTS 94
6.1.1 ISFET OPERATION 95
6.1.2 ISFET RESPONSE DURING X-RAY IRRADIATION 97
6.1.3 TRANSCONDUCTANCE 101
6.2 BACKSCATTERING EFFECTS OF GAN 103
6.2.1 DOSE ENHANCEMENT 103
6.2.2 MONTE CARLO CALCULATION 106
6
IMAGE 3
CONTENTS
6.3 GAN BASED BIOSENSORS 110
6.3.1 BIOCOMPATIBILITY 111
6.3.2 BIOFUNCTIONALITY 113
7 CONCLUSION 117
APPENDIX 121
A. LIST OF MATERIALS 121
B. LIST OF ABBREVIATIONS 125
C. SNAKE SAMPLE HOLDER CONSTRUCTION PLANS 127
D. MEASUREMENT ACCURACY OF KEITHLEY 2400 SOURCEMETERS 128
REFERENCES 129
LIST OF PUBLICATIONS 137
ACKNOWLEDGEMENTS 139
CURRICULUM VITAE 141
7
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| classification_rvk | UN 7100 YR 2017 |
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| ctrlnum | (OCoLC)835476026 (DE-599)BVBBV040878822 |
| discipline | Physik Medizin |
| format | Thesis Book |
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| spelling | Hofstetter, Markus 1978- Verfasser (DE-588)1032278897 aut Gallium nitride based thin films for photon and particle radiation dosimetry von Markus Hofstetter 2012 141 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Augsburg, Univ., Diss., 2012 Dosimetrie (DE-588)4127470-2 gnd rswk-swf Galliumnitrid (DE-588)4375592-6 gnd rswk-swf HEMT (DE-588)4211873-6 gnd rswk-swf Biosensor (DE-588)4193016-2 gnd rswk-swf Ionisierende Strahlung (DE-588)4027633-8 gnd rswk-swf Dünnschichtsensor (DE-588)4311478-7 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Galliumnitrid (DE-588)4375592-6 s Dünnschichtsensor (DE-588)4311478-7 s Ionisierende Strahlung (DE-588)4027633-8 s Dosimetrie (DE-588)4127470-2 s HEMT (DE-588)4211873-6 s Biosensor (DE-588)4193016-2 s DE-604 Erscheint auch als Online-Ausgabe urn:nbn:de:bvb:384-opus4-19919 http://opus.bibliothek.uni-augsburg.de/opus4/frontdoor/index/index/docId/1991 Verlag kostenfrei Volltext https://nbn-resolving.org/urn:nbn:de:bvb:384-opus4-19919 Resolving-System DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025858631&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Hofstetter, Markus 1978- Gallium nitride based thin films for photon and particle radiation dosimetry Dosimetrie (DE-588)4127470-2 gnd Galliumnitrid (DE-588)4375592-6 gnd HEMT (DE-588)4211873-6 gnd Biosensor (DE-588)4193016-2 gnd Ionisierende Strahlung (DE-588)4027633-8 gnd Dünnschichtsensor (DE-588)4311478-7 gnd |
| subject_GND | (DE-588)4127470-2 (DE-588)4375592-6 (DE-588)4211873-6 (DE-588)4193016-2 (DE-588)4027633-8 (DE-588)4311478-7 (DE-588)4113937-9 |
| title | Gallium nitride based thin films for photon and particle radiation dosimetry |
| title_auth | Gallium nitride based thin films for photon and particle radiation dosimetry |
| title_exact_search | Gallium nitride based thin films for photon and particle radiation dosimetry |
| title_full | Gallium nitride based thin films for photon and particle radiation dosimetry von Markus Hofstetter |
| title_fullStr | Gallium nitride based thin films for photon and particle radiation dosimetry von Markus Hofstetter |
| title_full_unstemmed | Gallium nitride based thin films for photon and particle radiation dosimetry von Markus Hofstetter |
| title_short | Gallium nitride based thin films for photon and particle radiation dosimetry |
| title_sort | gallium nitride based thin films for photon and particle radiation dosimetry |
| topic | Dosimetrie (DE-588)4127470-2 gnd Galliumnitrid (DE-588)4375592-6 gnd HEMT (DE-588)4211873-6 gnd Biosensor (DE-588)4193016-2 gnd Ionisierende Strahlung (DE-588)4027633-8 gnd Dünnschichtsensor (DE-588)4311478-7 gnd |
| topic_facet | Dosimetrie Galliumnitrid HEMT Biosensor Ionisierende Strahlung Dünnschichtsensor Hochschulschrift |
| url | http://opus.bibliothek.uni-augsburg.de/opus4/frontdoor/index/index/docId/1991 https://nbn-resolving.org/urn:nbn:de:bvb:384-opus4-19919 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025858631&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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