期刊
APPLIED PHYSICS B-LASERS AND OPTICS
卷 81, 期 2-3, 页码 171-175出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00340-005-1914-2
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We report electro-optical effects in planar-aligned liquid-crystal cells of pristine and doped calamitics in the presence of dc voltage. The doped cells comprise both a nematic host and a minute amount of either buckminsterfullerene or multiwalled carbon nanotubes. The voltage-transmittance and voltage-capacitance hystereses were observed from the sample cells in the range of applied dc voltage up to 8 V. Experimental evidence indicates that a nanoscale carbon dopant can affect the behavior of a nematic in terms of ion-charge effects and that doping with nanotubes can effectively reduce the driving voltage.
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