Liquid crystals:
Gespeichert in:
| Format: | Buch |
|---|---|
| Sprache: | English |
| Veröffentlicht: |
Darmstadt
Steinkopff [u.a.]
1994
|
| Schriftenreihe: | Topics in physical chemistry
3 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Literaturangaben |
| Beschreibung: | X, 231 S. Ill., zahlr. graph. Darst. 25 cm |
| ISBN: | 3798509247 0387914218 |
Internformat
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| 245 | 1 | 0 | |a Liquid crystals |c H. Stegemeyer, guest ed. |
| 264 | 1 | |a Darmstadt |b Steinkopff [u.a.] |c 1994 | |
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Datensatz im Suchindex
| _version_ | 1804124049156079616 |
|---|---|
| adam_text | H. STEGEMEYER, GUEST ED.
LIQUID CRYSTALS
STEINKOPFF DARMSTADT
SPRINGER NEW YORK
CONTENTS
PREFACE V
1 PHASE TYPES, STRUCTURES, AND CHEMISTRY OF LIQUID CRYSTALS 1
D. DEMUS
1.1 HISTORICAL 1
1.2 THE POSITION OF THE LIQUID CRYSTALS BETWEEN THE SOLID AND THE
ISOTROPIC LIQUID STATE 2
1.3 TYPES OF LIQUID CRYSTALS 4
1.4 THERMOTROPIC LIQUID CRYSTALS ~. . . 6
1.4.1 CALAMITIC LIQUID CRYSTALS * . 6
1.4.1.1 PHASE STRUCTURES AND TEXTURES OF CALAMITIC LIQUID CRYSTALS 6
1.4.1.2 SEQUENCE RULE AND REENTRANT BEHAVIOR 26
1.4.1.3 CHEMISTRY OF CALAMITIC LIQUID CRYSTALS 26
1.4.1.4 MOLECULAR STATISTICAL THEORIES OF THE CALAMITIC PHASES 35
1.4.2 DISCOTIC LIQUID CRYSTALS 42
1.4.2.1 PHASE STRUCTURES OF DISCOTIC LIQUID CRYSTALS 42
1.4.2.2 CHEMISTRY OF DISCOTIC LIQUID CRYSTALS 44
1.4.2.3 MOLECULAR STATISTICAL THEORY OF DISCOTIC PHASES 46
1.4.3 SANIDIC LIQUID CRYSTALS 47
1.4.4 CUBIC MESOPHASES 49
REFERENCES 50
2 THERMODYNAMIC BEHAVIOR AND PHYSICAL PROPERTIES OF
1
THERMOTROPIC LIQUID CRYSTALS 51
G. PELZL
INTRODUCTION 51
2.1 CALORIMETRIC INVESTIGATIONS 51
2.2 OPTICAL ANISOTROPY 57
2.2.1 OPTICALLY UNIAXIAL LIQUID CRYSTALS 57
2.2.2 OPTICALLY BIAXIAL LIQUID CRYSTALS 63
2.3 OPTICAL PROPERTIES OF TWISTED LIQUID CRYSTALLINE PHASES 65
2.3.1 CHOLESTERIC PHASES 65
2.3.2 CHIRAL SMECTIC C PHASES (SG) 67
2.4 MAGNETIC PROPERTIES 68
2.5 DIELECTRIC PROPERTIES 70
2.5.1 STATIC AND LOW-FREQUENCY DIELECTRIC ANISOTROPY 70
2.5.2 FREQUENCY DEPENDENCE OF THE DIELECTRIC PERMITTIVITY 73
2.6 ELASTIC PROPERTIES OF LIQUID CRYSTALS 77
2.6.1 ELASTIC PROPERTIES OF NEMATIC LIQUID CRYSTALS 77
2.6.2 UNIFORM ALIGNMENT OF NEMATIC LIQUID CRYSTALS BY WALL FORCES ....
78
2.6.3 DEFORMATION OF NEMATIC LIQUID CRYSTALS BY AN ELECTRIC FIELD 80
VII
2.6.4 DEFORMATION OF CHOLESTERIC LIQUID CRYSTALS BY ELECTRIC FIELDS ....
84
2.6.5 DEFORMATION OF SMECTIC LIQUID CRYSTALS (S
A
, S
C
) BY
AN ELECTRIC FIELD 84
2.7 FERROELECTRIC PROPERTIES 88
2.8 FLEXOELECTRIC POLARIZATION 90
2.9 DIFFUSION COEFFICIENTS 91
2.10 ELECTRIC CONDUCTIVITY 92
2.11 ELECTROHYDRODYNAMIC INSTABILITIES 95
2.12 VISCOSITY 99
REFERENCES 101
3. LIQUID CRYSTALLINE POLYMERS 103
R. ZENTEL *
INTRODUCTION 103
3.1 LIQUID CRYSTALLINE MAIN CHAIN POLYMERS -. 104
3.1.1 THERMOTROPIC MAIN CHAIN LC-POLYMERS ? . *- 104
3.1.1.1 THERMOTROPIC LC-POLYESTERS 105
3.1.1.2 SEMIFLEXIBLE MAIN CHAIN LC-POLYMERS 107
3.1.2 LYOTROPIC MAIN CHAIN LC-POLYMERS 108
3.1.2.1 THEORY 110
3.1.2.2 RHEOLOGY 113
3.1.2.3 APPLICATION 114
3.2 LIQUID CRYSTALLINE SIDE CHAIN POLYMERS WITH CALAMITIC
MESOGENS 116
3.2.1 STRUCTURES AND STRUCTURE-PROPERTY RELATIONS 116
3.2.2 INTERACTION OF POLYMER CHAINS AND MESOGENS 120
3.2.3 INFLUENCE OF ADDITIONAL STRUCTURAL VARIATIONS ON THE
PROPERTIES 123
3.2.4 PHYSICAL PROPERTIES OF THE LIQUID CRYSTALLINE PHASES 127
3.3 LIQUID CRYSTALLINE POLYMERS WITH DISC-LIKE MESOGENS 133
3.4 LIQUID CRYSTALLINE ELASTOMERS 136
REFERENCES 139
4 LYOTROPIC LIQUID CRYSTALS 143
K. HILTROP
4.1 INTRODUCTION AND HISTORICAL BACKGROUND 143
4.2 HYDROPHOBIC EFFECT AND AGGREGATION 145
4.2.1 THE HYDROPHOBIC EFFECT 145
4.2.2 THE AGGREGATION 146
4.3 LIQUID CRYSTALLINE STRUCTURES AND NOMENCLATURE 150
4.4 PHASE DIAGRAMS 153
4.5 PHYSICAL PROPERTIES AND INVESTIGATION METHODS 156
4.5.1 POLARIZING MICROSCOPY 156
4.5.2 NUCLEAR MAGNETIC RESONANCE 158
4.5.3 SMALL-ANGLE SCATTERING OF X-RAYS (SAXS) AND OF NEUTRONS
(SANS) 160
4.6 THEORETICAL ASPECTS 162
VIII
4.6.1 INTERACTIONS 162
4.6.2 THE R-THEORY 164
4.6.3 PACKING CONSIDERATIONS 164
4.6.4 OTHER THEORIES 166
4.7 APPLICATIONS 168
REFERENCES 169
5 APPLICATION OF LIQUID CRYSTALS IN SPECTROSCOPY 173
L. POHL
INTRODUCTION 173
5.1 MOLECULAR ORIENTATION 173
5.2 SELECTION OF APPROPRIATE SOLVENTS 175
5.3 PREPARATION OF NEMATIC SOLUTIONS AND OF SAMPLES 175
5.4 INFRARED SPECTROSCOPY IN LIQUID CRYSTALS 177
5.5 DETERMINATION OF THE ORDER PARAMETER AND OF THE -
(
POLARIZATION : . . . . 179
5.6 VISIBLE AND ULTRAVI6LET SPECTROSCOPY IN LIQUID CRYSTALS 180
5.7 FLUORESCENCE SPECTROSCOPY IN LIQUID CRYSTALS 182
5.8 NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY IN LIQUID CRYSTALS .... 184
5.9 ELECTRON SPIN RESONANCE SPECTROSCOPY IN LIQUID CRYSTALS 188
5.10 MOSSBAUER SPECTROSCOPY IN LIQUID CRYSTALS 191
REFERENCES 193
6 LIQUID CRYSTAL DISPLAYS 195
M. SCHADT
INTRODUCTION 195
6.1 ELECTROOPTICAL FIELD EFFECTS FOR NEMATIC LCDS 197
6.1.1 LIQUID CRYSTAL FIELD EFFECTS IN GENERAL 197
6.1.2 WAVE-GUIDING OPERATION OF TWISTED NEMATIC LIQUID
CRYSTAL DISPLAYS (TN-LCDS) 200
6.1.3 TIME MULTIPLEXING OF LCDS 204
6.1.4 OPERATION OF TN-LCDS WITH CIRCULARLY POLARIZED LIGHT 206
6.1.5 SUPERTWISTED NEMATIC LCDS AND LC MATERIALS 206
6.1.6 THE COLOR PROBLEM OF SUPERTWISTED LCDS 210
6.1.7 FULL COLOR, ACTIVELY ADDRESSED TN-LCDS FOR HIGH INFORMATION
CONTENT AND FAST RESPONSE 213
6.2 FIELD EFFECTS IN CHIRAL FERROELECTRIC S* LIQUID CRYSTALS 215
6.3 RECENT DEVELOPMENTS IN LCD PROJECTION SYSTEMS 219
CONCLUSION 223
REFERENCES 224
SUBJECT INDEX 227
IX
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| language | English |
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| publishDate | 1994 |
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| publisher | Steinkopff [u.a.] |
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| series | Topics in physical chemistry |
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| spelling | Liquid crystals H. Stegemeyer, guest ed. Darmstadt Steinkopff [u.a.] 1994 X, 231 S. Ill., zahlr. graph. Darst. 25 cm txt rdacontent n rdamedia nc rdacarrier Topics in physical chemistry 3 Literaturangaben Cristaux liquides ram Fisico-quimica larpcal Polymères cristaux liquides ram Vloeibare kristallen gtt Liquid crystals Flüssigkristall (DE-588)4071279-5 gnd rswk-swf Flüssigkristall (DE-588)4071279-5 s DE-604 Stegemeyer, Horst Sonstige oth Topics in physical chemistry 3 (DE-604)BV004630198 3 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=006417437&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Liquid crystals Topics in physical chemistry Cristaux liquides ram Fisico-quimica larpcal Polymères cristaux liquides ram Vloeibare kristallen gtt Liquid crystals Flüssigkristall (DE-588)4071279-5 gnd |
| subject_GND | (DE-588)4071279-5 |
| title | Liquid crystals |
| title_auth | Liquid crystals |
| title_exact_search | Liquid crystals |
| title_full | Liquid crystals H. Stegemeyer, guest ed. |
| title_fullStr | Liquid crystals H. Stegemeyer, guest ed. |
| title_full_unstemmed | Liquid crystals H. Stegemeyer, guest ed. |
| title_short | Liquid crystals |
| title_sort | liquid crystals |
| topic | Cristaux liquides ram Fisico-quimica larpcal Polymères cristaux liquides ram Vloeibare kristallen gtt Liquid crystals Flüssigkristall (DE-588)4071279-5 gnd |
| topic_facet | Cristaux liquides Fisico-quimica Polymères cristaux liquides Vloeibare kristallen Liquid crystals Flüssigkristall |
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