Evidence of a first-order smectic-hexatic transition and its proximity to a tricritical point in smectic films
SCIE
SCOPUS
- Title
- Evidence of a first-order smectic-hexatic transition and its proximity to a tricritical point in smectic films
- Authors
- Zaluzhnyy, Ivan A.; Kurta, Ruslan P.; Mukharamova, Nastasia; Kim, Young Yong; Khubbutdinov, Ruslan M.; Dzhigaev, Dmitry; Lebedev, Vladimir V.; Pikina, Elena S.; Kats, Efim I.; Clark, Noel A.; Sprung, Michael; Ostrovskii, Boris I.; Vartanyants, Ivan A.
- Date Issued
- 2018-11
- Publisher
- AMER PHYSICAL SOC
- Abstract
- Experimental and theoretical studies of a smectic-A-hexatic-B transition in freely suspended films of thickness 2-10 mu m of the n-pentyl-4'-n pentanoyloxy-biphenyl-4-carboxylate (54COOBC) compound are presented. X-ray investigations revealed a discontinuous first-order transition into the hexatic phase. The temperature region of two-phase coexistence near the phase transition point diminishes with decreasing film thickness. The width of this temperature region as a function of the film thickness was derived on the basis of a Landau mean-field theory in the vicinity of a tricritical point (TCP). Close to TCP the surface hexatic-B order penetrates anomalously deep into the film interior.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/122971
- DOI
- 10.1103/physreve.98.052703
- ISSN
- 2470-0045
- Article Type
- Article
- Citation
- Physical Review e, vol. 98, no. 5, 2018-11
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- There are no files associated with this item.
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