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An experimental and theoretical investigation into the reflection spectra of SmC* and SmCA* phases.

Roberts, Nicholas W.; Gleeson, Helen F.; Bowring, Nicholas; Seed, Alexander; Nassif, L. N.; Herbert, M. R.; Goodby, John W.; Hird, Mike

Journal of Materials Chemistry. 2003;13:353-359.

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Abstract

Anal. of the reflection spectra of chiral smectic liq. crystal phases was used to provide detailed information on phys. parameters, including refractive indexes, helicoidal pitch and tilt angle. Numerical models of the antiferroelec. and ferroelec. phases are constructed, based on a 4 * 4 matrix technique, and a downhill simplex algorithm is employed to fit the model to reflection spectra measured from free-standing films of the materials of interest. The temp. dependence of the refractive indexes, dispersion, tilt angle and pitch are reported for three different liq. cryst. materials. The accuracy of the fitting method is .apprx.1%, better than the exptl. error, and this is confirmed by comparison of the parameters detd. by the fitting program with those measured by independent methods. [on SciFinder (R)]

Keyword(s)

Liquid crystals (chiral smectic exptl. and theor. investigation into the reflection spectra of SmC* and SmCA* phases) Reflection spectra Refractive index Simulation and Modeling (exptl. and theor. investigation into the reflection spectra of SmC* and SmCA* phases)

Bibliographic metadata

Type of resource:
Content type:
Published date:
ISSN:
Volume:
13
Start page:
353
End page:
359
Pagination:
353-359
Digital Object Identifier:
10.1039/b208506b
Related website(s):
  • Related website
Access state:
Active

Institutional metadata

University researcher(s):

Record metadata

Manchester eScholar ID:
uk-ac-man-scw:1a4876
Created:
6th August, 2009, 10:37:52
Last modified:
1st January, 2015, 19:30:46

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