Effects of the isotopic composition on vibronic and electronic properties of semiconductors:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
1998
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XVII, 235 S. graph. Darst. |
Internformat
MARC
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| 100 | 1 | |a Göbel, Andreas |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Effects of the isotopic composition on vibronic and electronic properties of semiconductors |c vorgelegt von Andreas Göbel |
| 264 | 1 | |c 1998 | |
| 300 | |a XVII, 235 S. |b graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 502 | |a Stuttgart, Univ., Diss., 1998 | ||
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Datensatz im Suchindex
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|---|---|
| adam_text |
CONTENTS
1
INTRODUCTION
1
1.1
ISOTOPES
IN
SOLID
STATE
PHYSICS
.
1
1.1.1
NUCLEAR
STRUCTURE
EFFECTS
.
3
1.1.2
ISOTOPE
SEPARATION
.
4
1.2
PREVIOUS
STUDIES
.
5
1.3
SCOPE
OF
THE
PRESENT
STUDY
.
6
2
FUNDAMENTAL
CONSIDERATIONS
9
2.1
LATTICE
DYNAMICS
.
10
2.1.1
HARMONIC
APPROXIMATION
.
10
2.1.2
SECOND
QUANTIZATION
.
12
2.1.3
LATTICE
DYNAMICAL
MODELS
.
14
2.2
ISOTOPE
MASS
DEPENDENCE
OF
PHONON
FREQUENCIES
.
16
2.3
ANHARMONICITY
.
18
2.3.1
ISOTOPE
LATTICE
EXPANSION
.
18
2.3.2
PHONON-PHONON
INTERACTION
.
21
2.4
RAMAN
SCATTERING
.
25
2.4.1
MACROSCOPIC
DESCRIPTION
.
26
2.4.2
MICROSCOPIC
DESCRIPTION
.
28
3
RAMAN
SCATTERING
IN
ISOTOPICALLY
DISORDERED
ELEMENTAL
SEMICONDUCTORS
31
3.1
MOTIVATION
.
31
3.2
EXPERIMENTAL
OBSERVATIONS
.
34
3.2.1
GERMANIUM
.
34
3.2.2
A-SN
.
40
3.3
PERTURBATION
THEORY
.
44
3.4
DISORDER-INDUCED
AND
ANHARMONIC
SELF-ENERGIES
.
52
4
NEUTRON
SCATTERING
55
4.1
BASIC
CONSIDERATIONS
.
55
4.2
CROSS
SECTION
.
58
4.3
THREE-AXIS
SPECTROMETER
.
61
4.3.1
SCAN
MODES
.
62
4.3.2
RESOLUTION
ELLIPSOID
.
64
4.3.3
REAL
AND
Q-SPACE
FOCUSING
.
66
XVI
CONTENTS
5
ISOTOPE
DISORDER
IN
GE
AT
Q/
0
69
5.1
BASIC
CONSIDERATIONS
.
69
5.2
EXPERIMENT
.
71
5.2.1
SAMPLES
.
71
5.2.2
NEUTRON
SCATTERING
.
71
5.3
EXPERIMENTAL
RESULTS
.
73
5.3.1
OPTICAL
BRANCHES
.
73
5.3.2
ACOUSTIC
BRANCHES
.
78
5.4
THEORY
.
81
5.4.1
COHERENT
POTENTIAL
APPROXIMATION
.
82
5.4.2
SUPERCELL
CALCULATIONS
.
83
5.5
COMPARISON
OF
CPA
AND
SC
.
85
5.6
COMPARISON
OF
THEORY
AND
EXPERIMENT
.
91
5.7
EARLIER
RESULTS
.
94
5.8
CONCLUSION
.
96
6
EFFECTS
OF
THE
ISOTOPIC
COMPOSITION
ON
THE
LATTICE
DYNAMICS
OF
CUCL
PHONONS
99
6.1
MOTIVATION
.
99
6.1.1
SOME
PROPERTIES
OF
CUCL
.
99
6.1.2
ANOMALOUS
RAMAN
SPECTRUM
OF
CUCL
.
101
6.1.3
INTERPRETATIONS
OF
THE
TO
STRUCTURE
.
103
6.2
EXPERIMENTAL
DETAILS
.
105
6.3
RESULTS
.
106
6.3.1
LO(7)
PHONON
.
107
6.3.2
TO
PHONON
STRUCTURE
.
107
6.4
INTERPRETATION
.
ILL
6.4.1
GENERAL
FEATURES
OF
THE
ANHARMONIC
DECAY
.
ILL
6.4.2
CALCULATION
OF
MODEL
SPECTRA
.
114
6.4.3
DISCUSSION
AND
COMPARISON
.
118
6.5
HIGH
PRESSURE
EFFECTS
ON
THE
TO
STRUCTURE
.
122
6.6
OFF-CENTER
MODELS
.
127
6.7
SUMMARY
.
130
7
EFFECTS
OF
THE
ISOTOPIC
COMPOSITION
ON
THE
FUNDAMENTAL
GAP
IN
CUCL
133
7.1
MOTIVATION
.
133
7.2
ELECTRONIC
BAND
STRUCTURE
OF
CUCL
.
134
7.3
OPTICAL
SPECTROSCOPY
.
137
7.4
EXPERIMENTAL
RESULTS
.
138
7.5
DISCUSSION
.
141
7.5.1
MASS
AND
TEMPERATURE
DEPENDENCE
OF
THE
FUNDAMENTAL
GAP
.
141
7.5.2
ELECTRON-PHONON
COUPLING
.
143
7.5.3
TWO-OSCILLATOR
MODEL
.
149
7.5.4
ISOTOPE
EFFECTS
IN
CUBR
.
152
7.6
SUMMARY
.
153
CONTENTS
XVII
8
ISOTOPE
EFFECTS
IN
ZNSE
155
8.1
BASIC
CONSIDERATIONS
.
155
8.2
SAMPLES
AND
EXPERIMENTAL
DETAILS
.
156
8.3
RESULTS
ON
THE
RAMAN
PHONONS
.
157
8.3.1
TO(R)
PHONONS
.
158
8.3.2
LO(R)
PHONONS
.
160
8.4
DISCUSSION
OF
ISOTOPE
EFFECTS
ON
RAMAN
PHONONS
IN
ZNSE
.
164
8.4.1
PHONON
DISPERSION
.
164
8.4.2
ISOTOPE
DISORDER
.
165
8.4.3
ANHARMONICITY
AND
PLASMON-PHONON
COUPLING
.
169
8.5
ISOTOPE
EFFECTS
ON
THE
LUMINESCENCE
.
171
8.6
ISOTOPE
MASS
DEPENDENCE
OF
E
Q
.
174
8.6.1
ISOTOPE
MASS
DEPENDENCE
OF
E
Q
IN
ZNSE
.
174
8.6.2
ISOTOPE
MASS
DEPENDENCE
OF
E
O
IN
GAAS
.
177
8.7
SUMMARY
.
180
9
ISOTOPE
SUPERLATTICES
IN
GALLIUM-V
COMPOUNDS
181
9.1
INTRODUCTION
.
181
9.2
EXPERIMENTAL
DETAILS
.
182
9.2.1
SAMPLES
.
182
9.2.2
RAMAN
MEASUREMENTS
.
183
9.3
PLANAR
BOND-CHARGE
MODEL
.
183
9.3.1
LATTICE
DYNAMICS
.
183
9.3.2
RAMAN
INTENSITIES
.
186
9.4
RESULTS
AND
DISCUSSION
.
187
9.4.1
GAP
ISOTOPE
SLS
.
187
9.4.2
GAP:
COMPARISON
WITH
THEORY
.
190
9.4.3
GAAS
ISOTOPE
SLS
.
194
9.4.4
GAAS:
COMPARISON
WITH
THEORY
.
197
9.4.5
GASB
.
202
9.5
SUMMARY
.
202
10
SUMMARY
AND
CONCLUSIONS
205
10.1
ELEMENTAL
SEMICONDUCTORS
.
205
10.2
BINARY
COMPOUND
SEMICONDUCTORS
.
207
10.3
SUGGESTIONS
FOR
FURTHER
WORK
.
209
BIBLIOGRAPHY
213
ACKNOWLEDGMENTS
233 |
| any_adam_object | 1 |
| author | Göbel, Andreas |
| author_facet | Göbel, Andreas |
| author_role | aut |
| author_sort | Göbel, Andreas |
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| building | Verbundindex |
| bvnumber | BV012743123 |
| classification_tum | PHY 685d PHY 773d |
| ctrlnum | (OCoLC)63168443 (DE-599)BVBBV012743123 |
| discipline | Physik |
| format | Thesis Book |
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| id | DE-604.BV012743123 |
| illustrated | Illustrated |
| indexdate | 2024-08-16T00:14:33Z |
| institution | BVB |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-008665687 |
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| physical | XVII, 235 S. graph. Darst. |
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| spelling | Göbel, Andreas Verfasser aut Effects of the isotopic composition on vibronic and electronic properties of semiconductors vorgelegt von Andreas Göbel 1998 XVII, 235 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Stuttgart, Univ., Diss., 1998 Halbleiter (DE-588)4022993-2 gnd rswk-swf Raman-Effekt (DE-588)4176912-0 gnd rswk-swf Isotopieeffekt (DE-588)4162585-7 gnd rswk-swf Neutronenstreuung (DE-588)4041980-0 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Halbleiter (DE-588)4022993-2 s Raman-Effekt (DE-588)4176912-0 s Neutronenstreuung (DE-588)4041980-0 s Isotopieeffekt (DE-588)4162585-7 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=008665687&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Göbel, Andreas Effects of the isotopic composition on vibronic and electronic properties of semiconductors Halbleiter (DE-588)4022993-2 gnd Raman-Effekt (DE-588)4176912-0 gnd Isotopieeffekt (DE-588)4162585-7 gnd Neutronenstreuung (DE-588)4041980-0 gnd |
| subject_GND | (DE-588)4022993-2 (DE-588)4176912-0 (DE-588)4162585-7 (DE-588)4041980-0 (DE-588)4113937-9 |
| title | Effects of the isotopic composition on vibronic and electronic properties of semiconductors |
| title_auth | Effects of the isotopic composition on vibronic and electronic properties of semiconductors |
| title_exact_search | Effects of the isotopic composition on vibronic and electronic properties of semiconductors |
| title_full | Effects of the isotopic composition on vibronic and electronic properties of semiconductors vorgelegt von Andreas Göbel |
| title_fullStr | Effects of the isotopic composition on vibronic and electronic properties of semiconductors vorgelegt von Andreas Göbel |
| title_full_unstemmed | Effects of the isotopic composition on vibronic and electronic properties of semiconductors vorgelegt von Andreas Göbel |
| title_short | Effects of the isotopic composition on vibronic and electronic properties of semiconductors |
| title_sort | effects of the isotopic composition on vibronic and electronic properties of semiconductors |
| topic | Halbleiter (DE-588)4022993-2 gnd Raman-Effekt (DE-588)4176912-0 gnd Isotopieeffekt (DE-588)4162585-7 gnd Neutronenstreuung (DE-588)4041980-0 gnd |
| topic_facet | Halbleiter Raman-Effekt Isotopieeffekt Neutronenstreuung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=008665687&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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