Low-Voltage driving of liquid crystals vertically aligned by ion-beam bombardment on high-k HfO2 surface

Lee Gon Kim, Won Kyu Lee, Byeong Yun Oh, Ji Hun Lim, Hyun Jae Na, Hong Gyu Park, Young Hwan Kim, Byoung Yong Kim, Young Ku Kang, Chul Ho Ok, Jeoung Yeon Hwang, Jeong Min Han, Dae Shik Seo

Research output: Contribution to journalArticle

Abstract

Ion-beam irradiation (IB) on HfO2 surface induced high-performance liquid crystal (LC) driving at a 1-V threshold with vertical alignment of liquid crystals (LC). The high-k materials Atomic layer deposition was used to obtain LC orientation on ultrathin and high-quality films of HfO2 layers. To analyze surface morphological transition of HfO2 which can act as physical alignment effect of LC, atomic force microscopy images are employed with various IB intensities. The contact angle was measured to elucidate the mechanism of vertical alignment of LC on HfO2 with IB irradiation. Contact angle measurements show the surface energy changes via IB intensity increasing.

Original languageEnglish
Pages (from-to)115-121
Number of pages7
JournalMolecular Crystals and Liquid Crystals
Volume529
DOIs
Publication statusPublished - 2010 Jan 1

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Liquid Crystals
Liquid crystals
low voltage
Ion beams
bombardment
ion beams
liquid crystals
Irradiation
irradiation
Electric potential
alignment
Contact angle
Atomic layer deposition
Angle measurement
atomic layer epitaxy
Interfacial energy
Crystal orientation
surface energy
Atomic force microscopy
atomic force microscopy

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Kim, Lee Gon ; Lee, Won Kyu ; Oh, Byeong Yun ; Lim, Ji Hun ; Na, Hyun Jae ; Park, Hong Gyu ; Kim, Young Hwan ; Kim, Byoung Yong ; Kang, Young Ku ; Ok, Chul Ho ; Hwang, Jeoung Yeon ; Han, Jeong Min ; Seo, Dae Shik. / Low-Voltage driving of liquid crystals vertically aligned by ion-beam bombardment on high-k HfO2 surface. In: Molecular Crystals and Liquid Crystals. 2010 ; Vol. 529. pp. 115-121.
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abstract = "Ion-beam irradiation (IB) on HfO2 surface induced high-performance liquid crystal (LC) driving at a 1-V threshold with vertical alignment of liquid crystals (LC). The high-k materials Atomic layer deposition was used to obtain LC orientation on ultrathin and high-quality films of HfO2 layers. To analyze surface morphological transition of HfO2 which can act as physical alignment effect of LC, atomic force microscopy images are employed with various IB intensities. The contact angle was measured to elucidate the mechanism of vertical alignment of LC on HfO2 with IB irradiation. Contact angle measurements show the surface energy changes via IB intensity increasing.",
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Kim, LG, Lee, WK, Oh, BY, Lim, JH, Na, HJ, Park, HG, Kim, YH, Kim, BY, Kang, YK, Ok, CH, Hwang, JY, Han, JM & Seo, DS 2010, 'Low-Voltage driving of liquid crystals vertically aligned by ion-beam bombardment on high-k HfO2 surface', Molecular Crystals and Liquid Crystals, vol. 529, pp. 115-121. https://doi.org/10.1080/15421406.2010.495885

Low-Voltage driving of liquid crystals vertically aligned by ion-beam bombardment on high-k HfO2 surface. / Kim, Lee Gon; Lee, Won Kyu; Oh, Byeong Yun; Lim, Ji Hun; Na, Hyun Jae; Park, Hong Gyu; Kim, Young Hwan; Kim, Byoung Yong; Kang, Young Ku; Ok, Chul Ho; Hwang, Jeoung Yeon; Han, Jeong Min; Seo, Dae Shik.

In: Molecular Crystals and Liquid Crystals, Vol. 529, 01.01.2010, p. 115-121.

Research output: Contribution to journalArticle

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AU - Kim, Lee Gon

AU - Lee, Won Kyu

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AU - Lim, Ji Hun

AU - Na, Hyun Jae

AU - Park, Hong Gyu

AU - Kim, Young Hwan

AU - Kim, Byoung Yong

AU - Kang, Young Ku

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AU - Han, Jeong Min

AU - Seo, Dae Shik

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