DOI: 10.1063/1.464422. Phase transitions in Gibbs films: Star textural defects in tilted mesophases

Phase transitions in Gibbs films: Star textural defects in tilted mesophases

10.1063/1.464422

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

The formation of adsorbed films at the free surface of aqueous solutions of sodium hexadecanoate was observed by microscopy at the Brewster angle. A phase transition between a gas and a tilted phase occurs during these slow formations. The tilt of the molecules creates an observable optical anisotropy. We observed circular domains separated into regions of uniform tilt direction by straight defect lines, i.e., ‘‘star’’ textural defects very similar to those observed in freely suspended liquid crystal thin films and in Langmuir films of esters. The coalescence of domains leads to large regions of uniform tilt direction separated by straight or kink lines. A second transition towards a nontilted phase is observed. Quantitative information about the coefficients of the continuum elastic theory can be derived from our experiments.

Bibliography

HÃ©non, S., & Meunier, J. (1993). Phase transitions in Gibbs films: Star textural defects in tilted mesophases. The Journal of Chemical Physics, 98(11), 9148â9154.

Authors 2

S. Hénon (first)
J. Meunier (additional)

References 18 Referenced 123

{'key': '2023072706164329800_r1'}
10.1063/1.1137688 / Rev. Sci. Instrum. (1984)
10.1016/0040-6090(88)90613-X / Thin Solid Films (1988)
10.1016/0040-6090(88)90615-3 / Thin Solid Films (1988)
10.1021/j100158a034 / J. Phys. Chem. (1991)
{'key': '2023072706164329800_r5', 'first-page': '1597', 'volume': '55', 'year': '1987', 'journal-title': 'Phys. Rev. Lett.'} / Phys. Rev. Lett. (1987)
10.1103/PhysRevLett.67.703 / Phys. Rev. Lett. (1991)
{'key': '2023072706164329800_r7', 'first-page': '478', 'volume': '4', 'year': '1925', 'journal-title': 'Ann. Phys. (Paris)'} / Ann. Phys. (Paris) (1925)
10.1016/0021-9797(84)90475-2 / J. Colloid Int. Sci. (1984)
10.1038/350322a0 / Nature (London) (1991)
10.1103/PhysRevLett.67.2489 / Phys. Rev. Lett. (1991)
10.1016/0040-6090(92)90186-F / Thin Solid Films (1992)
10.1063/1.1142032 / Rev. Sci. Instrum. (1991)
10.1021/j100165a003 / J. Phys. Chem. (1991)
{'key': '2023072706164329800_r14', 'first-page': '1683', 'volume': '112', 'year': '1992', 'journal-title': 'J. Phys. (Paris)'} / J. Phys. (Paris) (1992)
10.1103/PhysRevLett.56.1819 / Phys. Rev. Lett. (1986)
10.1103/PhysRevA.39.3135 / Phys. Rev. A (1989)
10.1103/PhysRevA.34.5035 / Phys. Rev. A (1986)

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 8:38 a.m.)
Deposited	2 years, 1 month ago (July 27, 2023, 2:36 a.m.)
Indexed	1 year, 1 month ago (July 25, 2024, 4:33 p.m.)
Issued	32 years, 3 months ago (June 1, 1993)
Published	32 years, 3 months ago (June 1, 1993)
Published Print	32 years, 3 months ago (June 1, 1993)

Funders 0

None

BibTeX

@article{H_non_1993, title={Phase transitions in Gibbs films: Star textural defects in tilted mesophases}, volume={98}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.464422}, DOI={10.1063/1.464422}, number={11}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Hénon, S. and Meunier, J.}, year={1993}, month=jun, pages={9148–9154} }

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