X-Ray Scattering Study of the \(Smectic-A_1\) to \(Smectic-A_2\) Transition

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X-Ray Scattering Study of the \(Smectic-A_1\) to \(Smectic-A_2\) Transition

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Title: X-Ray Scattering Study of the \(Smectic-A_1\) to \(Smectic-A_2\) Transition
Author: Chan, K. K.; Pershan, Peter S.; Sorensen, L. B.; Hardouin, F.

Note: Order does not necessarily reflect citation order of authors.

Citation: Chan, K. K., Peter S. Pershan, L. B. Sorensen, and F. Hardouin. 1985. X-ray scattering study of the \(smectic-A_1\) to \(smectic-A_2\) transition. Physical Review Letters 54(15): 1694-1697.
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Abstract: X-ray scattering measurements are reported for critical \(smectic-A_2\) fluctuations along a line of second-order transitions between the \(smectic-A_1\) and \(smectic-A_2\) phases in mixtures of hexylphenyl cyanobenzoyloxy benzoate \((DB_6)\) and terephthal-bis-butylaniline (TBBA). The measured exponents \(\gamma = 1.46 \pm 0.05\) and \(\nu_{\parallel} = \nu_{\perp}= 0.74 \pm 0.03\) are constant along the second-order line and agree with recent heat-capacity measurements and the scaling law, \(3\nu + \alpha =2\). They disagree with current theoretical expectations.
Published Version: doi:10.1103/PhysRevLett.54.1694
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:10357693
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