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Original Magnetic Alignment of a Nematic Phase Containing Single-Walled Nanotubes

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Abstract:

Dispersions of single-walled carbon nanotubes in a 4-pentyl-4′-cyano-biphenyl nematic liquid crystal matrix are studied by X-ray scattering. For some mixtures, the addition of nanotubes strongly modifies the properties of the matrix: under a magnetic field, the nematic director is aligned perpendicular to the field, whereas it is parallel to it for pure 4-pentyl-4′-cyano-biphenyl. This original modification of liquid crystal alignment by the addition of nanotubes raises new questions about nanotubes and liquid crystal interactions.

Keywords: ALIGNMENT; CARBON NANOTUBES; LIQUID CRYSTALS; MAGNETIC FIELD; NEMATIC PHASE; X-RAY DIFFRACTION

Document Type: Short Communication

DOI: http://dx.doi.org/10.1166/jnn.2004.043

Publication date: January 1, 2004

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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