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Chandrasekhar S. Ч Liquid Crystals
Chandrasekhar S. Ч Liquid Crystals



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Ќазвание: Liquid Crystals

јвтор: Chandrasekhar S.

јннотаци€:

This is a new and greatly revised edition of Professor Chandrasckhar's classic book Liquid crystals, first published in 1977. In this second edition the author has brought the subject completely up to date.
The subject of liquid crystals has now grown to become an exciting interdisciplinary field of research with important practical applications. This book presents a systematic and self-contained treatment of the physics of the different types of (hcrmolropic liquid crystals the three classical types, nemalic, cholesteric and smeclic, composed of rod-shaped molecules, and the newly discovered discotic type composed of disc-shaped molecules. The coverage includes a description of the structures of these four main types and their polymorphic modifications, their thermo-dynamical. optical and mechanical properties and their behaviour under external fields. The basic principles underlying the major applications of liquid crystals in display technology (for example, the twisted and supertwisted nemalic devices, the surface stabilized ferroelectric device. etc.) and in thermography are also discussed.


язык: en

–убрика: ‘изика/

—татус предметного указател€: √отов указатель с номерами страниц

ed2k: ed2k stats

»здание: Second Edition

√од издани€: 1992

 оличество страниц: 460

ƒобавлена в каталог: 23.10.2009

ќперации: ѕоложить на полку | —копировать ссылку дл€ форума | —копировать ID
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ѕредметный указатель
4, 4'-di-n-alkoxyazoxybenzenes dielectric dispersion      56
4, 4'-di-n-alkoxyazoxybenzenes odd-even effect      48Ч51
4, 4'-di-n-alkoxyazoxybenzenes structure      50 see also УPAAФ УPAPФ
4-cyanobenzylidene-4'-octyloxyaniline      see УCBOOAФ
4-methoxybenzylidene-4'-butylaniline      see УMBBAФ
Anisaldazine crystal structure      18
Anisaldazine orientational order parameter      27
Anisaldazine surface tension      81
Antiferroelectric short range order in nematics      75Ч80
Antiparallel correlations in smectic A      350Ч358 see also УNear neighbour correlationsФ УSmectic
Applications liquid crystal display devices (LCD): active matrices      111
Applications liquid crystal display devices (LCD): colour displays      111
Applications liquid crystal display devices (LCD): dye displays      51 112
Applications liquid crystal display devices (LCD): dynamic scattering mode      178 288
Applications liquid crystal display devices (LCD): multiplexed displays      111
Applications liquid crystal display devices (LCD): storage mode      288
Applications liquid crystal display devices (LCD): supertwisted nematic (STN)      111Ч112
Applications liquid crystal display devices (LCD): surface-stabilized ferroelectric LCD      380 386Ч387
Applications liquid crystal display devices (LCD): twisted nematic (TN)      106Ч111
Applications liquid crystal display devices (LCD): twisted nematic, dynamical characteristics of      161Ч162
Applications liquid crystal display devices (LCD): twisted nematic, optical bounce and reverse twist effects in      112Ч113 167
Applications optical modulator      381 387
Applications thermography      296Ч297
Applications tunable colour filter      387
Backflow      162Ч167
Bethe approximation      71
Biaxial nematics      3 378 414Ч417 449
Biaxiality: in nematics      see УBiaxial nematicsФ
Biaxiality: in smectic C      362Ч363
Biaxiality: in smectic C*      379
Biaxiality: molecular      37 47Ч48 298
Bicritical point      354
Binary nematic mixtures      51
Binary nematic-nematic coexistence      51
Binary order parameter of individual components      51
Blue phases      5Ч6 16
Blue phases, Landau theory of      295Ч296
Blue phases, optical Kossel diagrams      292
Blue phases, single crystals      292
Blue phases, unit cells of blue phases I and II as cubic networks of disclinations      294
Bond orientational order      6 360Ч362 363Ч364 see
Borrmann effect in cholesterics      232Ч238
Bragg-Williams approximation      20
Brillouin scattering      325Ч326 402 404
Carr-Helfrich instability      181Ч182 286Ч287
CBOOA correlation lengths      343 347
CBOOA critical exponents associated with the smectic A-nematic transition      347
CBOOA damping rate of undulation mode      321Ч322
CBOOA Helfrich deformation      316
CBOOA influence of twist distortion on the smectic A-nematic transition temperature      305
CBOOA layer compressibility      315
CBOOA orientational order parameter      309
CBOOA penetration depth      315Ч316 322
CBOOA splay and bend constants      344
Chevron patterns      178 180 387
Cholesteric pitch compensated mixtures of right-and left-handed cholesterics      218 248 276Ч277
Cholesteric pitch critical divergence of      349
Cholesteric pitch dependence on composition (in mixtures)      297Ч298
Cholesteric pitch dependence on magnetic field strength normal to the helical axis      277Ч280
Cholesteric pitch dependence on pressure      297
Cholesteric pitch dependence on temperature      296Ч297
Cholesteric pitch twist per unit length      97
Cholesteryl nonanoate, blue phases      16
Cholesteryl nonanoate, Borrmann effect      236
Cholesteryl nonanoate, critical divergence of pitch      349
Cholesteryl nonanoate, molecular structure      16
Cholesteryl nonanoate, transitions      16
Clausius-Clapeyron equation      27
Conductivity, electrical      177 181
Conductivity, thermal      202Ч205
Consistency relation, Chang      72
Consistency relation, Krieger James      72
Consistency relation, Maier-Saupe      44
Continuum theory, of cholesterics, coefficients of thermal conductivity      260
Continuum theory, of cholesterics, distortion by external fields      277Ч288
Continuum theory, of cholesterics, elastic free energy density      97 284Ч285
Continuum theory, of cholesterics, energetics of defects      248Ч258
Continuum theory, of cholesterics, flow along the helical axis (permeation)      270Ч273
Continuum theory, of cholesterics, flow normal to the helical axis      274Ч276
Continuum theory, of cholesterics, thermomechanical coupling      258Ч267
Continuum theory, of cholesterics, torque induced by electric field (electromechanical coupling)      264Ч267
Continuum theory, of cholesterics, torque induced by heat flux (the Lehmann rotation phenomenon)      262Ч263
Continuum theory, of cholesterics, viscosity coefficients      260
Continuum theory, of columnar liquid crystals, acoustic wave propagation      401Ч402
Continuum theory, of columnar liquid crystals, elastic free energy density      397
Continuum theory, of columnar liquid crystals, energetics of defects      402Ч408
Continuum theory, of columnar liquid crystals, fluctuations      398
Continuum theory, of columnar liquid crystals, light scattering      400
Continuum theory, of columnar liquid crystals, mechanical instabilities      400Ч401
Continuum theory, of columnar liquid crystals, Peierls-Landau instability      398
Continuum theory, of columnar liquid crystals, X-ray scattering      399
Continuum theory, of nematics (including discotic nematics), backflow and kickback effects      162Ч167
Continuum theory, of nematics (including discotic nematics), distortions due to external fields      98Ч117
Continuum theory, of nematics (including discotic nematics), elastic free energy density      57 97 116
Continuum theory, of nematics (including discotic nematics), electrohydrodynamic instabilities      177Ч195
Continuum theory, of nematics (including discotic nematics), energetics of defects      117Ч144
Continuum theory, of nematics (including discotic nematics), Ericksen-Leslie equations      85Ч94
Continuum theory, of nematics (including discotic nematics), flexoelectricity      205Ч212
Continuum theory, of nematics (including discotic nematics), flow properties      144Ч159 413Ч414
Continuum theory, of nematics (including discotic nematics), Freedericksz effect, dynamics of      161Ч167
Continuum theory, of nematics (including discotic nematics), Freedericksz effect, static theory      98Ч106
Continuum theory, of nematics (including discotic nematics), hydrodynamic instabilities      155Ч157 195Ч201 413Ч414
Continuum theory, of nematics (including discotic nematics), light scattering      162Ч177
Continuum theory, of nematics (including discotic nematics), Oseen-Zocher-Frank elasticity equations      94Ч97
Continuum theory, of nematics (including discotic nematics), Parodi's relation      94
Continuum theory, of nematics (including discotic nematics), periodic distortions in highly anisotropic media      113Ч115
Continuum theory, of nematics (including discotic nematics), reflexion of shear waves      159Ч161
Continuum theory, of nematics (including discotic nematics), summary of equations      97Ч98
Continuum theory, of nematics (including discotic nematics), thermal instability      201Ч205
Continuum theory, of nematics (including discotic nematics), twisted nematic and supertwisted nematic devices      106Ч115
Continuum theory, of nematics (including discotic nematics), viscosity coefficients      92Ч93
Continuum theory, of smectic A: breakdown of conventional hydrodynamics      325
Continuum theory, of smectic A: damping rate of undulation mode      322
Continuum theory, of smectic A: elastic free energy density      310
Continuum theory, of smectic A: energetics of defects      327Ч339
Continuum theory, of smectic A: fluctuations      317Ч319
Continuum theory, of smectic A: light scattering      317Ч319
Continuum theory, of smectic A: mechanical instability      314Ч316
Continuum theory, of smectic A: Peierls-Landau instability      312Ч314
Continuum theory, of smectic A: permeation      321
Continuum theory, of smectic A: ultrasonic propagation      323Ч325
Continuum theory, of smectic A: viscosity coefficients      321
Continuum theory, of smectic C: elastic free energy density      367
Continuum theory, of smectic C: fluctuations      367
Continuum theory, of smectic C: light scattering      367
Convection oscillatory      205
Convection stationary      202Ч205
Critical end point      355
Critical point      353
Curvature elasticity      see УElastic constantsФ
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 12CB, surface-induced smectic order in the isotropic phase      84
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 12CB, X-ray specular reflectivity from free surface      84
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 5CB (pentyl compound), antiparallel local order      80
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 5CB (pentyl compound), applications      110
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 5CB (pentyl compound), dielectric anisotropv      79
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 5CB (pentyl compound), molecular structure      15
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 5CB (pentyl compound), surface tension      81
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 5CB (pentyl compound), transitions      15
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 5CB (pentyl compound), X-ray studies      79
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 6CB, electric and magnetic birefringence      66
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 7CB, applications      110
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 7CB, X-ray studies      79
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 80CB (octyloxycompound), critical exponents associated with the smectic A-nematic transition      347
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 80CB (octyloxycompound), P-T diagram      356
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 80CB (octyloxycompound), reentrant behaviour at elevated pressures      356
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 80CB (octyloxycompound), surface-induced smectic order in nematic phase      83
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 80CB (octyloxycompound), X-ray specular reflectivity from free surface      83
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 8CB, critical exponents associated with the smectic A-nematic transition      347
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 8CB, molecular structure      15
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 8CB, transitions      15
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 9CB, critical exponents associated with the smectic A-nematic transition      347
Cybotactic groups      2 4 83
Darwin's theory of X-ray diffraction      see УOptical properties of cholestericsФ
Defects, in cholesterics, $\chi$ (chi)-edge disclinations      252
Defects, in cholesterics, $\chi$ (chi)-screw disclinations      249Ч251
Defects, in cholesterics, disclination pairs      250Ч251
Defects, in cholesterics, dislocations      254Ч258
Defects, in cholesterics, edge dislocations      254Ч257
Defects, in cholesterics, fingerprint textures      254Ч256
Defects, in cholesterics, Grandjean-Cano pattern      257Ч258
Defects, in cholesterics, lattice disclinations      252Ч254
Defects, in cholesterics, pincements      254Ч256
Defects, in cholesterics, screw dislocations      254
Defects, in columnar liquid crystals      402Ч411
Defects, in columnar liquid crystals, developable domains      409Ч411
Defects, in columnar liquid crystals, disclinations      408Ч409
Defects, in columnar liquid crystals, dislocations      403Ч408
Defects, in columnar liquid crystals, longitudinal dislocations      406Ч407
Defects, in columnar liquid crystals, longitudinal wedge disclinations      408
Defects, in columnar liquid crystals, screw dislocations      408
Defects, in columnar liquid crystals, transverse dislocations      407
Defects, in columnar liquid crystals, transverse wedge disclinations      408
Defects, in nematics, angular forces between disclinations      140Ч143
Defects, in nematics, Brochard-Leger walls      136
Defects, in nematics, consequences of elastic anisotropy      139Ч143
Defects, in nematics, core structure      143Ч144
Defects, in nematics, director field in the neighbourhood of      119Ч120
Defects, in nematics, disclination loops      127Ч128
Defects, in nematics, energies and interactions      120Ч122
Defects, in nematics, Helfrich walls      135
Defects, in nematics, non-singular structures      123Ч126
Defects, in nematics, schlieren textures in discotic nematics      412
Defects, in nematics, singular points      129Ч130
Defects, in nematics, solitons      137Ч139
Defects, in nematics, threads and schlieren textures      7 117
Defects, in nematics, twist disclinations      126Ч128
Defects, in nematics, umbilics      136Ч137
Defects, in nematics, wedge disclinations      117Ч128
Defects, in smectic A, disclinations      328Ч329
Defects, in smectic A, edge dislocations      333Ч337
Defects, in smectic A, energies and interactions      335Ч337
Defects, in smectic A, focal conic textures      327Ч333
Defects, in smectic A, screw dislocations      338
Defects, in smectic C, core structure      373Ч374
Defects, in smectic C, disclinations in the c-director field      368Ч369
Defects, in smectic C, edge dislocations      369Ч370
Defects, in smectic C, toric domains      329
Dielectric anisotropy, theory of      51Ч57 76Ч78
Dielectric dispersion      56
Director, definition of      85Ч86
Disclinations      see УDefectsФ
Discotic liquid crystals, columnar phases of conical, macrocyclic, phasmidic molecules      393Ч394
Discotic liquid crystals, columnar structures      10 390
Discotic liquid crystals, disc-shaped molecules      389
Discotic liquid crystals, discotic lamellar phase      9 394 397
Discotic liquid crystals, discotic nematic      10 393 411Ч414
Discotic liquid crystals, extension of McMillan's model to discotics      394Ч397
Discotic liquid crystals, high resolution X-ray studies on freely suspended strands      389Ч393
Discotic liquid crystals, ordering of the cores and chains      390Ч392
Discotic liquid crystals, reentrant behaviour      394
Discotic liquid crystals, structure and classification of mesophases      8Ч10 388Ч393
Discotic liquid crystals, twisted nematic (or cholesteric)      393 see УDefectsФ УDiscotic УDiscotic
Discotic polymers      10Ч12
Discotic polymers, columnar nematic      11Ч12
Discotic polymers, columnar phase      11Ч12
Discotic polymers, sanidic nematic      11Ч12
Discotic, nematics      10 390 393 411Ч414
Discotic, nematics, diamagnetic anisotropy      412
Discotic, nematics, dielectric anisotropy      412Ч413
Discotic, nematics, director      390 412
Discotic, nematics, Frank (elastic) constants      413
Discotic, nematics, hydrodynamical properties      413Ч414
Discotic, nematics, optical anisotropy      412
Dispersion forces      41Ч42
Donors and acceptors      12 358
Dupin cyclides      329 see
Dynamic scattering      178 288 see
Elastic constants, nematics, critical divergence of      342Ч344
Elastic constants, nematics, dependence on order parameter      59Ч60
Elastic constants, nematics, experimental determination of splay, twist and bend (or Frank) constants      98Ч106 172
Elastic constants, nematics, permanent splay and twist      96 117
Elastic constants, smectic A, critical divergence of twist, bend and layer compressibility constants      343 348
Elastic constants, smectic A, experimental determination of layer compressibility      315 322
Electric birefringence (Kerr effect)      55 63Ч66
Electric field induced distortions, cholesterics, Carr-Helfrich instability      286Ч287
Electric field induced distortions, cholesterics, conduction and dielectric regimes      288
Electric field induced distortions, cholesterics, square grid pattern      282 286Ч288
Electric field induced distortions, cholesterics, storage mode      288
Electric field induced distortions, nematics, Freedericksz transition      106
Electric field induced distortions, nematics, principle of the twisted and supertwisted nematic devices      110Ч113 see УFlexoelectricityФ
Electric field induced distortions, smectic C*, electroclinic effect      380 387
Electric field induced distortions, smectic C*, the surface-stabilized ferroelectric display device      386Ч387
Electric field induced distortions, smectic C*, unwinding of helix      380
Electroclinic effect      380 382
Electroclinic effect, application as optical modulators and tunable colour filters      387
Electrohydrodynamic instabilities in nematics, Carr-Helfrich mechanism      181Ч184
Electrohydrodynamic instabilities in nematics, chevron pattern      178 180
Electrohydrodynamic instabilities in nematics, conduction and dielectric regimes      178 183
Electrohydrodynamic instabilities in nematics, dynamic scattering      178
Electrohydrodynamic instabilities in nematics, flow and orientation patterns      182
Electrohydrodynamic instabilities in nematics, Helfrich's theory      181Ч186
Electrohydrodynamic instabilities in nematics, influence of flexoelectricity      210Ч211
Electrohydrodynamic instabilities in nematics, threshold for DC and AC excitation      186Ч187 187Ч194
Electrohydrodynamic instabilities in nematics, Williams domains      178Ч182
Electromechanical coupling coefficient in cholesterics      266Ч267
Electron spin resonance      39 146
Enantiotropic transition, definition of      14
End chains, their contribution to mesophase stability hard rods with semiflexible tails      37
End chains, their contribution to mesophase stability influence of chain length on the columnar-nematic-isotropic phase sequence      394Ч397
End chains, their contribution to mesophase stability influence of chain length on the smectic A-nematic-isotropic phase sequence      306
End chains, their contribution to mesophase stability odd-even effect in homologous series      48Ч51
End chains, their contribution to mesophase stability ordering of the cores and chains in the columnar mesophase      391Ч392
End chains, their contribution to mesophase stability stiffening of the chains as a mechanism for reentrance      357Ч358
Equal areas principle      22Ч24 37 73
Ericksen-Leslie theory      85Ч94
Ferroelectric liquid crystals      378Ч387
Ferroelectric liquid crystals, applications      386Ч387
Ferroelectric liquid crystals, experimental studies on the polarization, tilt angle, pitch, dielectric properties      381Ч384
Ferroelectric liquid crystals, generalized Landau theory      385Ч386
Ferroelectric liquid crystals, liquid crystalline ferroelectrics as improper ferroelectrics      385
Ferroelectric liquid crystals, rotational viscosities      384
Ferroelectric liquid crystals, soft mode and Goldstone mode      382Ч383
Ferroelectric liquid crystals, structure of smectic C* and the origin of ferroelectricity      379Ч380
Flexoelectricity      205Ч211
Flexoelectricity, contribution of flexoelectricity to electrohydrodynamic instability      210Ч211
Flexoelectricity, determination of the flexoelectric coefficients      205Ч209
Flow birefringence      69Ч71
Flow properties, of cholesterics, flow along helical axis      271Ч273
Flow properties, of cholesterics, flow normal to the helical axis      274Ч277
Flow properties, of cholesterics, Helfrich's model of permeation      270Ч271
Flow properties, of cholesterics, non-Newtonian behaviour      268
Flow properties, of cholesterics, oscillatory variation of apparent viscosity with pitch      276Ч277
Flow properties, of cholesterics, secondary flow      274
Flow properties, of nematics: backflow and kickback effects      162Ч167
Flow properties, of nematics: flow alignment in discotic nematics      413Ч414
Flow properties, of nematics: flow alignment in ordinary nematics      150 157
Flow properties, of nematics: instability in cybotactic nematics near the smectic A transition point      157
Flow properties, of nematics: Miesowicz's experiment      144Ч145
Flow properties, of nematics: Poiseuille flow      148Ч152
Flow properties, of nematics: shear flow      152Ч157
Flow properties, of nematics: transverse pressure and secondary flow      157Ч159
Flow properties, of nematics: Tsvetkov's experiment      145Ч148
Flow properties, of nematics: velocity and orientation profiles      152Ч153 164 166
Flow properties, of nematics: viscosity (or Leslie) coefficients      97Ч98 see also УHydrodynamic instabilitiesФ
Flow properties, of smectic A: Helfrich's model of permeation      321
Flow properties, of smectic A: non-Newtonian behaviour      319
Fluctuation-dissipation theorem      174
Fluctuations, director fluctuations in columnar liquid crystals      400
Fluctuations, director fluctuations in nematics      167Ч170
Fluctuations, director fluctuations in smectic A      317Ч319
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