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Título: | Influence of the chain length on the nematic-to-isotropic phase transition for the odd members of a highly non-symmetric pyrene-based series of liquid crystal dimers |
Autor: | Salud, J.; López, David O.; Sebastián, Nerea; Fuente, M. Rosario de la; Diez-Berart, Sergio; Ros, M. Blanca CSIC ORCID | Palabras clave: | N-to-I phase transition Liquid crystal dimers MDSC Dielectric spectroscopy Tricritical behaviour |
Fecha de publicación: | 2016 | Editor: | Taylor & Francis | Citación: | Liquid Crystals 43(1): 102-111 (2016) | Resumen: | This paper describes a detailed study of the nematic (N)-isotropic (I) phase transition in the homologous series of liquid crystal dimers, the α-(4-cyanobiphenyl-4ʹ-oxy)-ω-(1-pyreniminebenzylidene-4ʹ-oxy)alkanes (CBOnO.Py) by means of calorimetric and dielectric measurements as a function of temperature. It is concluded that for this transition, the latent heat or the entropy change decreases as the chain length of the odd dimers decreases, and this decrease is consistent with the observed tricritical behaviour. | URI: | http://hdl.handle.net/10261/148392 | DOI: | 10.1080/02678292.2015.1066890 | Identificadores: | doi: 10.1080/02678292.2015.1066890 issn: 0267-8292 e-issn: 1366-5855 |
Aparece en las colecciones: | (ICMA) Artículos |
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