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

doi:10.1080/00150191003680597

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

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Conference article › peer-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 language	English (US)
Pages (from-to)	60-65
Number of pages	6
Journal	Ferroelectrics
Volume	395
Issue number	1
DOIs	https://doi.org/10.1080/00150191003680597
State	Published - Jul 27 2010
Event	12th International Conference on Ferroelectric Liquid Crystals, FLC-09 - Zaragoza, Spain Duration: Aug 31 2009 → Sep 4 2009

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title = "Critical behavior at the SmC*α-SmC* phase transition studied by high sensitivity DSC",

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.",

author = "Yuji Sasaki and Kenji Aihara and Kenji Ema and Haruhiko Yao and Huang, {C. C.}",

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T1 - Critical behavior at the SmC*α-SmC* phase transition studied by high sensitivity DSC

AU - Sasaki, Yuji

AU - Aihara, Kenji

AU - Ema, Kenji

AU - Yao, Haruhiko

AU - Huang, C. C.

PY - 2010/7/27

Y1 - 2010/7/27

N2 - 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.

AB - 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.

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