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Original Articles

Evidence of continuous evolution of smectic A2 from smectic Ad

, , , , &
Pages 111-116 | Received 17 Oct 1986, Accepted 25 Nov 1986, Published online: 25 Sep 2007
 

Abstract

We present here precise measurements of the layer spacing for two compounds, viz. 4-n-heptyloxyphenyl-4′-(4″-cyanobenzoyloxy)benzoate and 4-n-undecyloxyphenyl-4′-(4″-cyanobenzyloxy)benzoate. Contrary to earlier reports our data do not show any jump in the layer spacing at the expected Ad-A2 transition temperature, showing thereby that for both compounds A2 evolves continuously from the Ad phase.

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