Critical behavior at the SmC*α-SmC* phase transition studied by high sensitivity DSC

Yuji Sasaki, Kenji Aihara, Kenji Ema, Haruhiko Yao, C. C. Huang

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations

Abstract

Calorimetric measurements have been done to investigate the smectic-C*α(SmC*α)- smectic-C*(SmC*) transition using high sensitivity differential scanning calorimetry. It was found that the SmC*α-SmC * transition for a liquid crystalline compound 11OHFBBB1M7 shows a first-order transition with a clear thermal hysteresis while other two compounds, LN36 and 12OTBBB1M7, exhibit continuous behaviors which support the existence of the critical point and also the slow relaxation dynamics encountered with the change in the helical pitch.

Original languageEnglish (US)
Pages (from-to)60-65
Number of pages6
JournalFerroelectrics
Volume395
Issue number1
DOIs
StatePublished - Jul 27 2010
Event12th International Conference on Ferroelectric Liquid Crystals, FLC-09 - Zaragoza, Spain
Duration: Aug 31 2009Sep 4 2009

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