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  • Galli, G. (author)

Design of siloxane liquid crystals forming a de Vries SmA* phase

  • Article/chapterEnglish2005

Publisher, publication year, extent ...

  • Informa UK Limited,2005

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  • LIBRIS-ID:oai:gup.ub.gu.se/115071
  • https://gup.ub.gu.se/publication/115071URI
  • https://doi.org/10.1080/15421400590958089DOI

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  • Language:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • We designed and synthesized new SmA* liquid crystals with different molecular architectures based on the chiral mesogen MR11, which was unsubstituted, or attached at one end and at both ends of a trisiloxane segment in the monosubstituted MSi3-MR11 and disubstituted DSi3-MR11 siloxanes, respectively. We studied the critical divergence of the magnetic susceptibility by measurements of the induced tilt angle theta(ind) at the SmA*-SmC* transition. While all three SmA* liquid crystals presented a de Vries character, this was quite distinctive for DSi3-MR11 for which the critical exponent gamma = 1.87 was maximal. X-ray diffraction experiments confirmed that the SmA*-SmC* transition occurred with essentially no layer shrinkage.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Reihmann, M. (author)
  • Crudeli, A. (author)
  • Chiellini, E. (author)
  • Panarin, Y. (author)
  • Vij, J. (author)
  • Blanc, C. (author)
  • Lorman, V. (author)
  • Olsson, Nils,1970Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)(Swepub:gu)xolnil (author)
  • Göteborgs universitetInstitutionen för fysik (GU) (creator_code:org_t)

Related titles

  • In:Molecular Crystals and Liquid Crystals: Informa UK Limited439, s. 2111-21231542-14061563-5287

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