Homogeneous Liquid Crystal Alignment on Ion Beam-Induced Y2Sn2O7 Layers

Yang Liu, Hong Gyu Park, Ju Hwan Lee, Sang Bok Jang, Yoon Ho Jung, Hae Chang Jeong, Dae Shik Seo

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


Y2Sn2O7 nanoparticle layer fabricated by ion beam (IB) irradiation after annealing is reported here. Spherical particles were induced after IB irradiation as demonstrated by field emission scanning electron microscopy. When this layer was used as an alignment layer, homogeneous alignment of nematic liquid crystals (LCs) was observed with a small pretilt angle due to van der Waals interactions between LCs and the Y2Sn2O7 layer and interactions between benzene rings of the LCs and broken chemical bonds. The resulting electric-controlled twist nematic cell showed excellent electrical-optical properties, indicating that our approach holds great potential for creating commercial LC displays (LCDs).

Original languageEnglish
Article number7031402
Pages (from-to)363-365
Number of pages3
JournalIEEE Electron Device Letters
Issue number4
Publication statusPublished - 2015 Apr 1

Bibliographical note

Publisher Copyright:
© 1980-2012 IEEE.

All Science Journal Classification (ASJC) codes

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


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