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Title of Journal: J SolGel Sci Technol

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Abbravation: Journal of Sol-Gel Science and Technology

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Springer US

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DOI

10.1007/s11434-011-4823-2

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ISSN

1573-4846

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Hysteresisfree energy efficient twisted nematic

Authors: HaeChang Jeong GiSeok Heo EunMi Kim HongGyu Park Ju Hwan Lee JeongMin Han DaeShik Seo
Publish Date: 2016/04/04
Volume: 79, Issue: 1, Pages: 29-36
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Abstract

We successfully demonstrated the high performance of liquid crystal LC devices without capacitance hysteresis using ionbeam IBirradiated GaSnO in solution This method is widely used for obtaining inorganic films although it yields poor crystallinity owing to its cost effectiveness and high flexibility in combining materials Atomic force microscopy and Xray photoelectron spectroscopy analyses determined that IB irradiation on the films had an effect which enabled the elucidation of the mechanism for LC alignment Strong IB irradiation on GaSnO induced the formation of spherical particles on the films and rearrangement of the chemical bonds linkage of Ga–Sn–O and gradually oxidized films which could preserve the anisotropic characteristics to unidirectionally align LC molecules on the surface Because rough surfaces effectively increase the electric field the strongly restructured GaSnO surface led to a decrease in threshold voltages Moreover strong IB irradiation effectively released volume charges when the states of LC molecules were switched “on” and “off” which is attributed to a reduction in oxygen bonding derived from hydroxyl groups responsible for capturing neutral electrons Therefore an IBirradiated GaSnO film is appropriate as an alternative alignment layer for advanced energy efficient hysteresisfree LC display devices

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  9. Removal of Pb(II) ions from aqueous systems using thiol-functionalized cobalt-ferrite magnetic nanoparticles
  10. Simple synthesis of Co 3 O 4 nanoflakes using a low temperature sol–gel method suitable for photodegradation of dyes
  11. The effect of PO 2,5 and AlO 1,5 additions on structural changes and crystallization behavior of SiO 2 -TiO 2 sol-gel derived glasses and thin films
  12. Antiwetting silica–gelatin nanohybrid and transparent nano coatings synthesised through an aqueous sol–gel process
  13. Comparison of structure and phase change characteristic of microencapsulated core/shell Al–Si alloy microparticles synthesized by two methods
  14. Bioencapsulation of living yeast ( Pichia pastoris ) with silica after transformation with lysozyme gene
  15. Optical properties of yellow-light-emitting LiZnVO 4 :Eu 3+ phosphor prepared by sol–gel method
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  17. GPS patch antenna performance by modification of Zn (1−x) Ca x Al 2 O 4 -based microwave dielectric ceramics
  18. Effect of thermal annealing on Nd 2 O 3 -doped silica powder prepared by the solgel process
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