DYNAMICS OF THE MODULATED CRYSTAL SMECTIC B PHASE OF 50. 7 BY NEUTRON SCATTERING EXPERIMENTS.

R. M. Richardson*, A. J. Leadbetter, J. B. Hayter, W. G. Stirling, G. W. Gray, A. Tajbakhsh

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

3 Citations (Scopus)

Abstract

The cooperative nature of the molecular motions in the crystal smectic B and smectic G phases of 50. 7 have been investigated using coherent neutron scattering from a fully deuterated sample. It is concluded that the incommensurable transverse modulation of the smectic B layers, which develops as the smectic G phase is approached, is a static deformation of the layers. New excitations in the energy spectrum should therefore be associated with the layer modulation. Reasons why such excitations were not observed are discussed.

Original languageEnglish
Pages (from-to)1061-1065
Number of pages5
JournalJournal de Physique
Volume45
Issue number6
DOIs
Publication statusPublished - 1 Jan 1984

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