https://doi.org/10.1140/epje/s10189-022-00219-w
Regular Article - Flowing Matter
Pretransitional of behavior of electrooptic Kerr effect in liquid thymol
1
Institute of High Pressure Physics, Polish Academy of Sciences, ul. Sokołowska 29/37, 01-142, Warsaw, Poland
2
Faculty of Physics, Warsaw University of Technology, ul. Koszykowa 75, 00-662, Warsaw, Poland
a
aszpasza@mail.unipress.waw.pl
Received:
24
May
2022
Accepted:
22
July
2022
Published online:
29
August
2022
Melting/freezing are canonical examples of discontinuous phase transitions, for which no pretransitional effects in the liquid phase are expected. For the solid phase, weak premelting effects are evidenced. This report shows long-range, critical-like, pretransitional effects in liquid thymol detected in electrooptic Kerr effect (EKE) studies. Notably is the negative sign of EKE pretransitional anomaly. Studies are supplemented by the high-resolution dielectric constant temperature-related scan, which revealed a weak premelting effect in the solid phase. Both EKE and dielectric constant show a ‘crossover’ change in the liquid phase, ca, 10 K above the freezing temperature. It can be recognized as the hallmark of the challenging liquid–liquid transition phenomenon.
© The Author(s) 2022
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