Download Liquid Crystals: Fundamentals by Shri Singh PDF

By Shri Singh

For graduate scholars and researchers in condensed subject physics, chemical physics, fabrics technological know-how, and engineering, Singh (Banaras Hindu U.) stories the literature reporting advancements over the last 3 a long time about the nature of liquid crystals and their software to varied reasons. He in general assumes readers to be new to the fabrics, yet does delve deeply right into a few issues for readers with massive historical past in them. After discussing the most varieties and type, distribution capabilities and order parameters, and actual houses; he surveys a few of the kinds; and concludes via interpreting defects and textures.

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By Shri Singh

For graduate scholars and researchers in condensed subject physics, chemical physics, fabrics technological know-how, and engineering, Singh (Banaras Hindu U.) stories the literature reporting advancements over the last 3 a long time about the nature of liquid crystals and their software to varied reasons. He in general assumes readers to be new to the fabrics, yet does delve deeply right into a few issues for readers with massive historical past in them. After discussing the most varieties and type, distribution capabilities and order parameters, and actual houses; he surveys a few of the kinds; and concludes via interpreting defects and textures.

Show description

Read or Download Liquid Crystals: Fundamentals PDF

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73. D. Demus, A. Gloza, H. Hartung, A. Hauser, I. Rapthel, and A. Wiegeleben, Cryst. Res. Techn. 16,1445 (1981). 74. T. Narayanan, and A. Kumar, Phys. Rep. 249,135 (1994). 75. S. Singh, (a) Phys. Rep. 324,107 (2000); (b) Phase Transitions 72,183 (2000). 2 Distribution and Order Functions Parameters As discussed in the previous chapter, the most fundamental characteristic of liquid crystals is the presence of orientational order of the anisotropic molecules, while the positional order of the center of mass is either absent (nematic phases) or limited (smectic and columnar phases).

The interaction of the spins with the static magnetic field is called the Zeeman interaction. The exchange and dipolar interactions arise due to the interactions between different spins. In addition, typical interactions of the nuclear quadrupole charge distribution with the electric field gradient may arise. The relevant interactions involved in the nmr and ESR experiments are as follows11: (i) Zeeman interactions (a) electronic ^iB B • g • s , (b) nuclear - \nN B • o - 1 , where fiN and \iB are, respectively, the nuclear and Bohr magnetons, g and o are called the g-tensor and chemical shielding tensor, respectively, B is the magnetic flux desity, s is the electron spin operator and I is the nuclear spin operator.

Onusseit, and F. Porsch, Liquid Crystals 1, 3 (1986). 63. C. D. Mermin, Rev. Mod. Phys. 61, 385 (1989). 64. L. Chandani, Y. Ouchi, H. Takezoe, A. Fukuda, K. Terashima, K. Furukawa, and A. Kishi, Jpn. J. Appl. Phys. Lett 28,1261 (1989). 65. E. L. Chandani, Y. Ouchi, H. Takezoe, and A. Fukuda, Jpn. J. Appl. Phys. 29,131 (1990). 66. S. Inui, S. Kawano, M. Saito, H. Iwane, Y. Takanishi, K. Hiraoka, Y. Ouchi, H. Takezoe, and A. Fukuda, Jpn. J. Appl. Phys. Lett. 29, 987 (1990). 67. M. H. , R. Lipowsky, and E.

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