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  • Reihmann, M.Universita di Pisa,University of Pisa (author)

Structure and Properties of New de Vries SmA∗ Liquid Crystals

  • Article/chapterEnglish2004

Publisher, publication year, extent ...

  • Informa UK Limited,2004

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:73466624-62af-4a91-bfe9-ec8a08c9cd9f
  • https://doi.org/10.1080/00150190490510050DOI
  • https://research.chalmers.se/publication/19727URI

Supplementary language notes

  • Language:English
  • Summary in:English

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

Notes

  • We synthesized a chiral mesogen AC11 and two different siloxanes MSi2-AC11 and DSi3-AC11 derived from it by a hydrosilylation reaction. The effects of varying the molecular architecture were investigated with special attention being devoted to the occurrence of the de Vries SmA* phase. Strong hints that all the three molecules follow the scenario suggested by de Vries were found in the behavior of the susceptibility by studies of their electrooptical response in the SmA* phase. In particular DSi3-AC11 containing two mesogens interconnected by a siloxane spacer presented a critical exponent gamma as high as 1.97, indicating a practically pure de Vries behavior Temperature-dependent X-ray analysis revealed that the three materials underwent a small layer shrinkage at the SmA*-SmC* transition.

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

  • Crudeli, A.Universita di Pisa,University of Pisa (author)
  • Blanc, C.Université de Montpellier,University of Montpellier (author)
  • Lorman, V.Université de Montpellier,University of Montpellier (author)
  • Panarin, Y. P.Dublin Institute of Technology (DIT),Trinity College Dublin, the University of Dublin (author)
  • Vij, J. K.Trinity College Dublin, the University of Dublin (author)
  • Olsson, Nils,1970Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)nils (author)
  • Galli, G.Universita di Pisa,University of Pisa (author)
  • Universita di PisaUniversité de Montpellier (creator_code:org_t)

Related titles

  • In:Ferroelectrics: Informa UK Limited309, s. 111-1190015-01931563-5112

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