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THE INFLUENCE OF NANOPARTICLES ON THE KERR EFFECT AT THE NEMATIC-ISOTROPIC PHASE TRANSITION

Ganji, Tahereh
http://rave.ohiolink.edu/etdc/view?acc_num=akron1481025104288989

Abstract Details

2016, Master of Science, University of Akron, Physics.
Nanoparticles can affect some physical properties of liquid crystals. We investigate the influence that nanoparticles have on the Kerr coefficient by measuring the electric field Kerr effect (induced birefringence proportional to the square of the applied electric field), above the nematic-isotropic transition temperature by using various concentrations of cerium dioxide nanoparticles in 4-octyl-4’-cyanobiphenyl (8CB) liquid crystal. On cooling toward the nematic-isotropic transition temperature the nematic correlation length increases (but does not diverge because the transition is first order). When the correlation length is of the same order as the characteristic distance between the nanoparticles, the nematic fluctuations are disrupted and the Kerr coefficient will no longer increase as rapidly with decreasing temperature as predicted by Landau-DeGennes theory.
Sasa V. Dordevic, Dr. (Advisor)
Charles Rosenblatt, Dr. (Advisor)
Jutta Luettmer-Strathmann, Dr. (Committee Member)
34 p.
Physics
Liquid Crystals; Nanoparticles; Kerr Effect; Nematic-Isotropic Phase Transition; Nematic Correlation Length

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Citations

  • Ganji, T. (2016). THE INFLUENCE OF NANOPARTICLES ON THE KERR EFFECT AT THE NEMATIC-ISOTROPIC PHASE TRANSITION [Master's thesis, University of Akron]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=akron1481025104288989

    APA Style (7th edition)

  • Ganji, Tahereh. THE INFLUENCE OF NANOPARTICLES ON THE KERR EFFECT AT THE NEMATIC-ISOTROPIC PHASE TRANSITION. 2016. University of Akron, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=akron1481025104288989.

    MLA Style (8th edition)

  • Ganji, Tahereh. "THE INFLUENCE OF NANOPARTICLES ON THE KERR EFFECT AT THE NEMATIC-ISOTROPIC PHASE TRANSITION." Master's thesis, University of Akron, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1481025104288989

    Chicago Manual of Style (17th edition)

akron1481025104288989
244
© 2016, some rights reserved.Creative Commons License THE INFLUENCE OF NANOPARTICLES ON THE KERR EFFECT AT THE NEMATIC-ISOTROPIC PHASE TRANSITION by Tahereh Ganji is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. Based on a work at etd.ohiolink.edu.
This open access ETD is published by University of Akron and OhioLINK.