• 140 Citations
  • 4 h-Index
20052008
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Fingerprint Dive into the research topics where Ana Rita Elias Brás is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

  • 44 Similar Profiles
Nematic liquid crystals Chemical Compounds
Dielectric relaxation Chemical Compounds
Lactic acid Engineering & Materials Science
Crystallization Chemical Compounds
optical measurement Physics & Astronomy
Carbon Dioxide Chemical Compounds
Fuel cells Chemical Compounds
glycols Physics & Astronomy

Research Output at NOVA 2005 2008

  • 140 Citations
  • 4 h-Index
  • 4 Article
7 Citations (Scopus)

Dielectric relaxation studies and electro-optical measurements in poly(triethylene glycol dimethacrylate)/nematic E7 composites exhibiting an anchoring breaking transition

Brás, A. R., Ballesteros, O. G., Plaza, M. T. V., Martins, S. P., Sastre, R. L., Dias, C. J. M. M., Figueirinhas, J. L. M. & Andrade, M. M. A. C. D. S. D., Apr 2008, In : Liquid Crystals. 35, 4, p. 429-441 13 p.

Research output: Contribution to journalArticle

Open Access
optical measurement
glycols
liquid crystals
transmittance
composite materials
59 Citations (Scopus)

Ion jelly: A tailor-made conducting material for smart electrochemical devices

Vidinha, P., Lourenço, N. M. T., Pinheiro, C., Brás, A. R., Carvalho, T., Santos-Silva, T., Mukhopadhyay, A., Romão, M. J., Parola, J., Dionisio, M., Cabral, J. M. S., Afonso, C. A. M. & Barreiros, S., 24 Nov 2008, In : Chemical Communications. 44, p. 5842-5844 3 p.

Research output: Contribution to journalArticle

Fuel cells
Ions
Ionic Liquids
Biopolymers
Photovoltaic cells
65 Citations (Scopus)

Crystallization of poly(L-lactic acid) probed with dielectric relaxation spectroscopy

Brás, A. R., Plaza, M. T. V., Andrade, M. M. A. C. D. S. D. & Mano, J. F., 18 Aug 2006, In : Macromolecules. 39, 19, p. 6513-6520 8 p.

Research output: Contribution to journalArticle

Open Access
Dielectric relaxation
Lactic acid
Crystallization
Spectroscopy
Crystalline materials
9 Citations (Scopus)

Solubility of the nematic liquid crystal E7 in supercritical carbon dioxide

Brás, A. R. E., Casimiro, T., Caldeira, J. & Aguiar-Ricardo, A., 1 Nov 2005, In : Journal of Chemical and Engineering Data. 50, 6, p. 1857-1860 4 p.

Research output: Contribution to journalArticle

Nematic liquid crystals
Carbon Dioxide
Carbon dioxide
Solubility
Supercritical fluids