Modeling of ballistic carbon nanotube transistors for analog high-frequency applications:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Dresden
TUDpress
2011
|
| Schlagworte: | |
| Online-Zugang: | Inhaltstext Inhaltsverzeichnis |
| Beschreibung: | VIII, 248 S. Ill., graph. Darst. |
| ISBN: | 9783942710237 |
Internformat
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| 245 | 1 | 0 | |a Modeling of ballistic carbon nanotube transistors for analog high-frequency applications |c Martin Claus |
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| 300 | |a VIII, 248 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
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| 502 | |a Zugl.: Dresden, Techn. Univ., Diss., 2011 | ||
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Datensatz im Suchindex
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IMAGE 1
CONTENTS
1 INTRODUCTION 1
2 CNTFET FUNDAMENTALS 7
2.1 CNTFET TECHNOLOGIES 7
2.1.1 FABRICATION OF CNTS 8
2.1.2 TYPICAL DEVICE STRUCTURES 9
2.1.3 DOPING OF CNTS 11
2.2 CNT MATERIAL PROPERTIES 13
2.2.1 CRYSTAL LATTICE 14
2.2.2 BAND STRUCTURE 16
2.2.3 BAND GAP 20
2.2.4 PARABOLIC BAND APPROXIMATION 21
2.2.5 CNT TYPES 23
2.2.6 SEMI-CLASSICAL DENSITY OF STATES 24
2.2.7 IMPACT OF NON-IDEALITIES 27
2.3 CNT TRANSPORT PHENOMENA 27
2.4 METAL-CNT CONTACTS 34
2.4.1 SCHOTTKY-MOTT CONTACT MODEL 38
2.4.2 EXTENDED CONTACT MODEL 41
2.4.3 CONTACT RESISTANCE 48
2.5 CNTFET MEASUREMENTS 49
BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/1012077136
DIGITALISIERT DURCH
IMAGE 2
CONTENTS
3 MODELS FOR BALLISTIC TRANSPORT 53
3.1 FUNDAMENTALS 55
3.1.1 BALLISTIC TRANSPORT 55
3.1.2 CHARGE CALCULATION 61
3.1.3 CURRENT CALCULATION 65
3.1.4 RELATION TO THE SEMI-CLASSICAL CHARGE CALCULATION 69
3.2 POISSON EQUATION 75
3.3 STEADY-STATE SCHROEDINGER-POISSON SOLVER 78
3.3.1 DEVICE MODEL 79
3.3.2 NUMERICAL SOLUTION 81
3.3.3 ADAPTIVE INTEGRATION 82
3.3.4 EXAMPLE 89
3.4 TIME-DEPENDENT SCHROEDINGER-POISSON SOLVER 93
3.4.1 DEVICE MODEL 93
3.4.2 NUMERICAL SOLUTION 94
3.4.3 EXAMPLE 95
3.5 WKB-BASED SCHROEDINGER-POISSON SOLVER 95
3.5.1 TRANSMISSION THROUGH A SINGLE BARRIER 97
3.5.2 TRANSMISSION THROUGH MULTI-BARRIER STRUCTURES 98 3.5.3 RELATION TO
THE CARRIER DENSITY 99
3.5.4 DEVICE MODEL 101
3.6 ANALYTICAL BALLISTIC MODEL 103
3.6.1 CURRENT CONTROL MECHANISMS 104
3.6.2 SIMPLIFICATION OF POISSON EQUATION 109
3.6.3 CHARACTERISTIC GATE VOLTAGES 115
3.6.4 THERMIONIC TRANSPORT MODEL 117
3.6.5 CURRENT APPROXIMATIONS 124
3.7 COMPACT MODELING CONCEPTS 136
4 ASPECTS OF DEVICE AND CIRCUIT DESIGN 141
4.1 DEVICE DESIGN ASPECTS 142
4.1.1 SUBTHRESHOLD SLOPE 144
4.1.2 AMBIPOLARITY 149
IMAGE 3
CONTENTS
4.1.3 OHMIC REGION 151
4.2 MODELING LAYOUT PARASITICS 156
4.2.1 GATE IMPEDANCE 158
4.2.2 MODEL LIMITATIONS 162
4.2.3 EXAMPLE 163
4.3 CIRCUIT DESIGN STUDY 166
4.3.1 POWER AMPLIFIER SPECIFICATIONS 167
4.3.2 LAYOUT OPTIMIZATION 168
4.3.3 CONCLUSION 172
4.4 NON-QUASI-STATIC EFFECTS 172
4.4.1 NQS MODELING 173
4.4.2 IMPACT OF LAYOUT PARASITICS 176
4.4.3 COMPARISON TO EXPERIMENTAL RESULTS 178
4.4.4 CONCLUSION 180
5 SUMMARY 181
5.1 CONCLUSIONS 181
5.2 OUTLOOK 185
A REVIEW: QUANTUM STATES 189
A.I CLOSED BOUNDARY CONDITIONS 191
A.2 PERIODIC BOUNDARY CONDITIONS 192
A.3 OPEN BOUNDARY CONDITIONS 192
A.4 ABSORBING BOUNDARY CONDITIONS 196
B CURRENT OPERATOR AND TRANSMISSION PROBABILITY 199
C QUANTUM REFLECTIONS AND RESONANCES 207
D DISCRETIZED SCHROEDINGER EQUATION 211
D.I DISCRETIZING THE SCHROEDINGER EQUATION 211
D.2 EVALUATION OF BOUND STATES 214
D.3 EVALUATION OF SCATTERING STATES 215
D.4 EVALUATION OF RESONANT STATES 221
IMAGE 4
CONTENTS
E MODEL FOR METALLIC TUBES 223
F TWO-PORT CHAIN 229
G Z-TRANSFORM 233
BIBLIOGRAPHY 235 |
| any_adam_object | 1 |
| author | Claus, Martin |
| author_facet | Claus, Martin |
| author_role | aut |
| author_sort | Claus, Martin |
| author_variant | m c mc |
| building | Verbundindex |
| bvnumber | BV039732952 |
| classification_rvk | ZN 4850 |
| ctrlnum | (OCoLC)746231348 (DE-599)DNB1012077136 |
| dewey-full | 621.3815284 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 621 - Applied physics |
| dewey-raw | 621.3815284 |
| dewey-search | 621.3815284 |
| dewey-sort | 3621.3815284 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Elektrotechnik / Elektronik / Nachrichtentechnik |
| format | Thesis Book |
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| indexdate | 2024-07-21T00:17:19Z |
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| isbn | 9783942710237 |
| language | English |
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| spelling | Claus, Martin Verfasser aut Modeling of ballistic carbon nanotube transistors for analog high-frequency applications Martin Claus Dresden TUDpress 2011 VIII, 248 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Zugl.: Dresden, Techn. Univ., Diss., 2011 Schaltungsentwurf (DE-588)4179389-4 gnd rswk-swf Hochfrequenz (DE-588)4160130-0 gnd rswk-swf CNTFET (DE-588)7840155-0 gnd rswk-swf Schrödinger-Poisson-System (DE-588)7519293-7 gnd rswk-swf Ballistischer Effekt (DE-588)4528695-4 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content CNTFET (DE-588)7840155-0 s Ballistischer Effekt (DE-588)4528695-4 s Schrödinger-Poisson-System (DE-588)7519293-7 s Hochfrequenz (DE-588)4160130-0 s Schaltungsentwurf (DE-588)4179389-4 s DE-604 X:MVB text/html http://deposit.dnb.de/cgi-bin/dokserv?id=3829238&prov=M&dok_var=1&dok_ext=htm Inhaltstext DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024580801&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Claus, Martin Modeling of ballistic carbon nanotube transistors for analog high-frequency applications Schaltungsentwurf (DE-588)4179389-4 gnd Hochfrequenz (DE-588)4160130-0 gnd CNTFET (DE-588)7840155-0 gnd Schrödinger-Poisson-System (DE-588)7519293-7 gnd Ballistischer Effekt (DE-588)4528695-4 gnd |
| subject_GND | (DE-588)4179389-4 (DE-588)4160130-0 (DE-588)7840155-0 (DE-588)7519293-7 (DE-588)4528695-4 (DE-588)4113937-9 |
| title | Modeling of ballistic carbon nanotube transistors for analog high-frequency applications |
| title_auth | Modeling of ballistic carbon nanotube transistors for analog high-frequency applications |
| title_exact_search | Modeling of ballistic carbon nanotube transistors for analog high-frequency applications |
| title_full | Modeling of ballistic carbon nanotube transistors for analog high-frequency applications Martin Claus |
| title_fullStr | Modeling of ballistic carbon nanotube transistors for analog high-frequency applications Martin Claus |
| title_full_unstemmed | Modeling of ballistic carbon nanotube transistors for analog high-frequency applications Martin Claus |
| title_short | Modeling of ballistic carbon nanotube transistors for analog high-frequency applications |
| title_sort | modeling of ballistic carbon nanotube transistors for analog high frequency applications |
| topic | Schaltungsentwurf (DE-588)4179389-4 gnd Hochfrequenz (DE-588)4160130-0 gnd CNTFET (DE-588)7840155-0 gnd Schrödinger-Poisson-System (DE-588)7519293-7 gnd Ballistischer Effekt (DE-588)4528695-4 gnd |
| topic_facet | Schaltungsentwurf Hochfrequenz CNTFET Schrödinger-Poisson-System Ballistischer Effekt Hochschulschrift |
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