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The aim of this book is to understand the different dielectric relaxation processes and electro-optical characteristics in the materials containing antiferroelectric and ferroelectric phases and investigation of twist grain boundary (TGB) phases in the binary mixtures of cholesteryl caprylate (ChC) and nonyloxybenzoic acid (NOBA). This book contains four chapters. Chapter 1 describes a brief overview on liquid crystals. Relaxation phenomena occurring in ferroelectric and antiferroelectric liquid crystals have been discussed. Chapter 2 describes the experimental techniques for thermodynamical, optical electrical measurements. In Chapter 3, dielectric, switching and electro-optic studies of multicomponent antiferroelectric liquid crystal mixture (W-312A), and a single component antiferroelectric liquid crystal MOPB(H)PBC, have been given. In Chapter 4, phase diagram of 21 mixtures mixture of cholesteryl caprylate (ChC) and nonyloxybenzoic acid (NOBA)) has been drawn with the help of electrical, optical and thermodynamical studies.
About the author
Anoop K. Srivastava received his D.Phil. in Physics from University of Allahabad, India. He has been awarded Young Scientist award from Department of Science and Technology, New Delhi. His research interest includes liquid crystal display technology and control of dynamical motion of nanoparticles and nanorods for various applications.
