Journal
APPLIED PHYSICS LETTERS
Volume 104, Issue 14, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4871255
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Funding
- National Science Council [101-2221-E-007-103-MY3]
- Academic Top University Program of the Ministry of Education
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Indium Tin Oxide (ITO) nanowhiskers (NWhs) obliquely evaporated by electron-beam glancing-angle deposition can serve simultaneously as transparent electrodes and alignment layer for liquid crystal (LC) devices in the terahertz (THz) frequency range. To demonstrate, we constructed a THz LC phase shifter with ITO NWhs. Phase shift exceeding pi/2 at 1.0 THz was achieved in a similar to 517 mu m-thick cell. The phase shifter exhibits high transmittance (similar to 78%). The driving voltage required for quarter-wave operation is as low as 5.66 V (rms), compatible with complementary metal-oxide-semiconductor (CMOS) and thin-film transistor (TFT) technologies. (C) 2014 AIP Publishing LLC.
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