Enhanced electro-optical properties of electrically controlled birefringence cells on solution-derived lanthanum oxide films treated with ion beam irradiation

Jae Won Lee, Hong Gyu Park, Hae Chang Jeong, Dae Shik Seo

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Herein we demonstrate the improved performance of electrically controlled birefringence (ECB) cells fabricated on solution-derived La2O3 films pre-treated with ion beam irradiation. Treatment by an ion-beam (IB) irradiation system and appropriate annealing temperature allowed La2O3 surfaces to support homogeneous liquid crystal (LC) alignment. The EO characteristics of the aligned homogenous LCs and ECB modes in cells fabricated on La2O3 layers were comparable to those of cells fabricated on polyimide, and IB-irradiated La2O3 film surfaces showed good potential for use as an alignment layer.

Original languageEnglish
Pages (from-to)R13-R16
JournalECS Solid State Letters
Volume4
Issue number3
DOIs
Publication statusPublished - 2015 Jan 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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