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Scaling of thermal hysteresis at nematic-smectic-A phase transition in a binary mixture
The photon transmission method was applied to study the scaling of thermal hysteresis at the nematic-smectic-A transition in a binary mixture of 4-ethoxy-4(')-(6-vinyloxyhexyloxyl) azobenzene monomer, smectogen, and 4-hexoxy-3(')-methly-4(')-(6-acryloyloxyhexyloxy) azobenzene. The the...
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Published in: | Physical review. E, Statistical, nonlinear, and soft matter physics Statistical, nonlinear, and soft matter physics, 2004-03, Vol.69 (3 Pt 1), p.031705-031705, Article 031705 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | The photon transmission method was applied to study the scaling of thermal hysteresis at the nematic-smectic-A transition in a binary mixture of 4-ethoxy-4(')-(6-vinyloxyhexyloxyl) azobenzene monomer, smectogen, and 4-hexoxy-3(')-methly-4(')-(6-acryloyloxyhexyloxy) azobenzene. The thermal hysteresis loops were obtained under linearly varying temperature. It has been found that the area A of the hysteresis loops scales with the temperature scanning rate R as A=A(0)+bR(n) with the exponent n equal to 0.692, which is consistent with the (Phi(2))(3) field theoretical model value within the experimental resolution. |
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ISSN: | 1539-3755 1550-2376 |
DOI: | 10.1103/PhysRevE.69.031705 |