Accession Number : AD1036522


Title :   Ferroelectric BaTiO3 and LiNbO3 Nanoparticles Dispersed in Ferroelectric Liquid Crystal Mixtures: Electrooptic and Dielectric (Postprint)


Descriptive Note : Journal Article


Corporate Author : Technische Universitt Darmstadt Darmstadt Germany


Personal Author(s) : Shukla,R K ; Evans,D R ; Haase,W


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/1036522.pdf


Report Date : 14 Oct 2016


Pagination or Media Count : 14


Abstract : Harvested ferroelectric nanoparticles of BaTiO3 and LiNbO3 were dispersed in Ferroelectric Liquid Crystals (FLCs) with very high spontaneous polarization (Ps). The electrooptic and dielectric parameters were documented. The dipoles of ferroelectric nanoparticles and those of FLCs are partially cancelled in an antiparallel manner. The role of cell parameters like thickness of the Nylon 6 polymer layer and the change in preparation of the polymer layer due to different mechanical rubbing cycles has been described for one high-Ps FLC and for high-Ps FLC/BaTiO3 nanocolloids. Cell properties depend strongly on anchoring forces which might interact with dipoles both from ferroelectric nanoparticles and high-Ps FLCs.


Descriptors :   liquid crystals , Ferroelectric crystals , FERROELECTRIC MATERIALS , NANOCOMPOSITES


Subject Categories : Crystallography
      Electricity and Magnetism
      Optics


Distribution Statement : APPROVED FOR PUBLIC RELEASE