Liquid CrystalsCambridge University Press, 26 nov. 1992 - 460 pages This is a new and greatly revised edition of Professor Chandrasekhar's classic book Liquid Crystals, first published in 1977. The subject of liquid crystals has grown into an exciting interdisciplinary research field with important practical applications. This book presents a systematic and self-contained treatment of the physics of the different types of thermotropic liquid crystals - the three classical types, nematic, cholesteric and smectic, and the newly discovered discotic type. Included is a description of the structures of these four main types and their polymorphic modifications, their thermodynamical, optical and mechanical properties and their behaviour under external fields. The basic principles underlying the major applications of liquid crystals in display technology and in thermography are also discussed. This book will be of great value to advanced students and researchers in condensed matter physics, chemical physics, materials science and technology with an interest in the physics, chemistry and applications of liquid crystals. |
Table des matières
1 Introduction | 1 |
2 Statistical theories of nematic order | 17 |
3 Continuum theory of the nematic state | 85 |
4 Cholesteric liquid crystals | 213 |
5 Smectic liquid crystals | 300 |
6 Discotic liquid crystals | 388 |
References | 418 |
| 451 | |
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Expressions et termes fréquents
aligned angle angular anisotropy birefringence Chandrasekhar Chem cholesteric cholesteric liquid crystal circular dichroism coefficients columnar columnar phase components configuration cos² Cryst deformation density dipole disclinations distortion edge dislocations effect elastic constants electric field equations experimental ferroelectric film flow fluctuations fluid free energy Freedericksz frequency gradient helical axis homeotropic instability interaction isotropic isotropic phase k₁ k₁₁ k₂ lattice layers Lett magnetic field MBBA mean field mesophases molecular molecules N. V. Madhusudana n₁ nematic liquid crystal nematic phase normal observed optical order parameter orientational order parallel perpendicular Phys Physique pitch plane polarization Pramana reflexion reflexion band rotation Saupe scattering shear shear rate shown in fig sin² smectic solution splay structure surface temperature theory threshold tilt torque tricritical point triphenylene twist v₁ v₂ vector velocity viscosity voltage wavelength wavevector дх