Investigation of polymeric space charge and optically nonlinear dipole electrets:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Düsseldorf
VDI-Verl.
1996
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| Ausgabe: | Als Ms. gedr. |
| Schriftenreihe: | Verein Deutscher Ingenieure: [Fortschritt-Berichte VDI / 9]
235 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Zugl.: Darmstadt, Techn. Univ., Diss. |
| Beschreibung: | XI, 106 S.: graph. Darst. |
| ISBN: | 3183235099 |
Internformat
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Datensatz im Suchindex
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| adam_text | Titel: Investigation of polymeric space charge and optically nonlinear dipole electrets
Autor: Yang, Guomao
Jahr: 1996
FORTSCHRITTBERICHTE VW M. Sc. Guomao Yang, Darmstadt Investigation of Polymerie Space-Charge and Optically-Nonlinear Dipole Electrets Reihe 9 : Elektronik Nr. 235 VW VERLAG
V Contents 1 Introduction 1 2 Experimental techniques for electret investigation 3 2.1 Charging and poling techniques 3 2.1.1 Corona dischar ge 3 2.1.2 Electron-beam irradiation 5 2.2 Isothermal investigation of electret stability X 2.2.1 Surface-potential measurements X 2.2.2 Pyroelectric-response measurements 9 2.3 Thermally stimulated processes 12 2.3.1 Thermally stimulated discharge or depolarization 12 2.3.2 Pyroelectric thermal analysis 14 2.4 Spatial distribution of charge and polarization 14 2.4.1 Split Faraday cup 13 2.4.2 Thermal-excitation methods 16 2.4.2.1 Thermal-pulse method 16 2.4.2.2 Thermal-wave method 17 2.4.3 Ultrasonic-excitation methods 19 2.4.3.1 Laser-induced pressure-pulse (LIPP) method 19 2.4.3.2 Piezoelectrically-generated pressure-step (PPS) method 20 3 Relaxation of electrets and lifetime estimates 22 3.1 Thermally-stimulated-current (TSC) analysis 22 3.1.1 TSC on corona-charged samples 22 3.1.2 TSC on electron-beam charged samples 24 3.1.2.1 Influence of beam energy 24 3.1.2.2 Effect of surface breakdown 2 $ 3.1.2.3 Influence of heating rate 26 3.2 Isothermal charge-decay (ICD) investigation 27 3.2.1 ICD at room temperature 27 3.2.2 ICD at elevated temperatures 2X 3.2.3 Influence of the experimental conditions on the ICD data 30 3.2.3.1 Influence of charge density 30
VI 3.2.3.2 Influence of charging time 31 3.2.3.3 Influence of charging temperature 31 3.2.4 Room-temperature ICD under high humidity 32 3.3 Conclusion 33 4 Charge dynamics in electron-beam-irradiated and corona-charged polymer electrets 34 4.1 Radiation-induced conductivity in electron-beam irradiated polymer films 34 4.1.1 Introduction 34 4.1.2 Experimental setup and measuring methods 36 4.1.3 Experimental results and discussion 38 4.1.3.1 Polypropylene 38 4.1.3.2 Polyethylene terephthalate 40 4.1.3.3 Polyimide 42 4.1.4 Summary 44 4.2 Thermally stimulated discharge of electron-beam and corona charged polypropylene films 45 4.2.1 Introduction 45 4.2.2 Experiments 46 4.2.3 Results and discussion 46 4.2.3.1 Open-circuit TSC 46 4.2.3.2 Short-circuit TSC 48 4.2.4 Conclusion 52 4.3 Spatial charge distribution 52 4.3.1 LIPP results on electron-beam charged polymer films 53 4.3.1.1 LIPP results on samples charged with different beam energies 53 4.3.1.2 LIPP results on samples charged with different doses 55 4.3.1.3 Effect of annealing on the charge distribution 57 4.3.2 Mean charge depth measured with the split-Faraday-cup method during and after electron-beam charging 60 4.3.3 Charge distributions measured with the PPS method 62 4.4 Theoretical analysis 68 4.4.1 Theoretical model for charging 68 4.4.2 Theoretical model for annealing 70 4.4.3 Results of model calculations 72 4.5 Discussion 74
VII 5 Selective poling of nonlinear optical polymer electrets 76 5.1 Polymer electrets for nonlinear optical applications 76 5.1.1 Nonlinear optical phenomena 76 5.1.1.1 Harmonic generation 78 5.1.1.2 Electro-optical effects 79 5.1.2 Nonlinear optical polymers 81 5.2 Experimental investigation of selective poling 81 5.2.1 Sample preparation 81 5.2.2 Selective poling process 82 5.2.3 Poling conditions 84 5.2.4 Electrical and optical examination 84 5.2.4.1 LIPP results 85 5.2.4.2 TSC results 86 5.2.4.3 PTA results 89 5.2.4.4 Electro-optical measurements 90 5.3 Discussion 91 6 Summary 93 7 References 96
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| any_adam_object | 1 |
| author | Yang, Guomao |
| author_facet | Yang, Guomao |
| author_role | aut |
| author_sort | Yang, Guomao |
| author_variant | g y gy |
| building | Verbundindex |
| bvnumber | BV010969863 |
| classification_tum | PHY 624d ELT 066d |
| ctrlnum | (OCoLC)45581794 (DE-599)BVBBV010969863 |
| discipline | Physik Elektrotechnik |
| edition | Als Ms. gedr. |
| format | Book |
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| id | DE-604.BV010969863 |
| illustrated | Not Illustrated |
| indexdate | 2024-07-09T18:01:52Z |
| institution | BVB |
| isbn | 3183235099 |
| language | English |
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| physical | XI, 106 S.: graph. Darst. |
| publishDate | 1996 |
| publishDateSearch | 1996 |
| publishDateSort | 1996 |
| publisher | VDI-Verl. |
| record_format | marc |
| series2 | Verein Deutscher Ingenieure: [Fortschritt-Berichte VDI / 9] |
| spelling | Yang, Guomao Verfasser aut Investigation of polymeric space charge and optically nonlinear dipole electrets Guomao Yang Investigation of polymeric space-charge and optically-nonlinear dipole electrets Als Ms. gedr. Düsseldorf VDI-Verl. 1996 XI, 106 S.: graph. Darst. txt rdacontent n rdamedia nc rdacarrier Verein Deutscher Ingenieure: [Fortschritt-Berichte VDI / 9] 235 Zugl.: Darmstadt, Techn. Univ., Diss. Raumladung (DE-588)4177073-0 gnd rswk-swf Nichtlineare Optik (DE-588)4042096-6 gnd rswk-swf Polymere (DE-588)4046699-1 gnd rswk-swf Elektret (DE-588)4135024-8 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Elektret (DE-588)4135024-8 s Polymere (DE-588)4046699-1 s Raumladung (DE-588)4177073-0 s Nichtlineare Optik (DE-588)4042096-6 s DE-604 9] Verein Deutscher Ingenieure: [Fortschritt-Berichte VDI 235 (DE-604)BV047505631 235 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007339630&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Yang, Guomao Investigation of polymeric space charge and optically nonlinear dipole electrets Raumladung (DE-588)4177073-0 gnd Nichtlineare Optik (DE-588)4042096-6 gnd Polymere (DE-588)4046699-1 gnd Elektret (DE-588)4135024-8 gnd |
| subject_GND | (DE-588)4177073-0 (DE-588)4042096-6 (DE-588)4046699-1 (DE-588)4135024-8 (DE-588)4113937-9 |
| title | Investigation of polymeric space charge and optically nonlinear dipole electrets |
| title_alt | Investigation of polymeric space-charge and optically-nonlinear dipole electrets |
| title_auth | Investigation of polymeric space charge and optically nonlinear dipole electrets |
| title_exact_search | Investigation of polymeric space charge and optically nonlinear dipole electrets |
| title_full | Investigation of polymeric space charge and optically nonlinear dipole electrets Guomao Yang |
| title_fullStr | Investigation of polymeric space charge and optically nonlinear dipole electrets Guomao Yang |
| title_full_unstemmed | Investigation of polymeric space charge and optically nonlinear dipole electrets Guomao Yang |
| title_short | Investigation of polymeric space charge and optically nonlinear dipole electrets |
| title_sort | investigation of polymeric space charge and optically nonlinear dipole electrets |
| topic | Raumladung (DE-588)4177073-0 gnd Nichtlineare Optik (DE-588)4042096-6 gnd Polymere (DE-588)4046699-1 gnd Elektret (DE-588)4135024-8 gnd |
| topic_facet | Raumladung Nichtlineare Optik Polymere Elektret Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007339630&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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