Research output

Research output per year 1996 2004 2006 2010 2013 2014 2024

• 45 Article
• 24 Conference contribution
• 2 Other contribution
• 2 National Final Application
• 2 More
  • 1 Conference article
  • 1 Working paper

Research output per year

Research output per year

Search results

• 2016

  Investigations of space charge distributions by atomic force microscope

  Faliya, K., Kliem, H. & Dias, C. J., 18 Aug 2016, Proceedings of the 2016 IEEE International Conference on Dielectrics, ICD 2016. Institute of Electrical and Electronics Engineers (IEEE), Vol. 1. p. 219-222 4 p. 7547584

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Charge distribution 100%
  • Electric space charge 91%
  • Space Charge 88%
  • Microscopes 66%
  • Force 46%
  5 Citations (Scopus)
• 2013

  Electric field distribution around the deep brain stimulation electrode inferred from dielectric measurements

  Neagu, B., Neagu, E. R., Igreja, R. & Dias, C. J. M. M., 2013, Advanced Materials Forum VI. Pinto, A. M. P. & Pouzada, A. S. (eds.). Zurich: Trans Tech Publications, Vol. Pts 1-2. p. 26-31 6 p. (Materials Science Forum; vol. 730-732).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • stimulation 100%
  • brain 94%
  • electrodes 61%
  • electric fields 58%
  • geometry 55%

• Enhancing the Response of Chemocapacitors with Electrospun Nanofiber Films

  Dias, C. J. M. M., Igreja, R. A. G. B. D. N. & Borges, J. P. M. R., 1 Jan 2013, Materials Science Forum. Vol. 730-732. p. 197-202

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access
  2 Citations (Scopus)

• Water Content Control To Improve Space Charge Storage in a Cork Derivative

  Neagu, E., Dias, C. J. M. M., Lança, M. D. C. H. & Marat-mendes, J. N., 1 Jan 2013, Materials Science Forum. Vol. 730-732. p. 395-400

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access
• 2012

  Water Content Control to Improve Space Charge Storage in a Cork Derivative

  Neagu, E., Dias, C. J. M. M., Lança, M. D. C. H. & Marat-mendes, J. N., 1 Jan 2012, Materials Science Forum. p. 395-400

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access
• 2011

  Discrimination between Space Charge and Dipolar Contributions in Ferroelectric Polymers

  Neagu, E., Dias, C. J. M. M., dos Reis Inácio, P. A., Igreja, R. A. G. B. D. N., Lança, M. D. C. H. & Marat-mendes, J. N., 1 Jan 2011, International Symposium on Electrets. p. 145-146

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access

• Influence of Polarization on the Bioactivity of Nanopowders of Hydroxyapatite

  Neagu, E., Dias, C. J. M. M., Lança, M. D. C. H., Marat-mendes, J. N. & Borges, J. P. M. R., 1 Jan 2011, International Symposium on Electrets. p. 55-56

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access
• 2010

  Charge Carriers Injection/Extraction at the Metal-Polymer Interface and Its Influence in the Capacitive Microelectromechanical Systems-Switches Actuation Voltage

  Neagu, E., Dias, C. J. M. M., dos Reis Inácio, P. A., Igreja, R. A. G. B. D. N. & Lança, M. D. C. H., 1 Jan 2010, JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY. Vol. 10. p. 2503-2511

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

• Dielectric spectra of natural cork and derivatives

  Neagu, E., Dias, C. J. M. M. & Lança, M. D. C. H., 1 Jan 2010, International Conference on Dielectric Spectroscopy and Its Applications. Vol. 356. p. 763-767

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  2 Citations (Scopus)

• Electrical Method to Study the Weak Molecular Movements at Nanometric Scale in Low Mobility Materials

  Neagu, E., Dias, C. J. M. M. & Lança, M. D. C. H., 1 Jan 2010, Materials Science Forum. Vol. 636-637. p. 430-436

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

• Floating gate memory paper transistor

  Fortunato, E. M. C., Ferreira, I. M. M., Dias, C. J. M. M., Barquinha, P. M. C., Martins, R. F. D. P. & Pereira, L. M. N., 1 Jan 2010, Proceedings of SPIE. Vol. 7603. p. nr. 760314

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access
  2 Citations (Scopus)

• Medium Electric Field Electron Injection/Extraction at Metal-Dielectric Interface

  Neagu, E., Dias, C. J. M. M., Igreja, R. A. G. B. D. N. & Lança, M. D. C. H., 1 Jan 2010, Materials Science Forum. p. 437-443

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access

• On the width of the thermally stimulated discharge current peak

  Neagu, E., Dias, C. J. M. M., Igreja, R. A. G. B. D. N. & Lança, M. D. C. H., 1 Jan 2010, IEEE International Conference on Solid Dielectrics-ICSD. p. 0

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

• The study of the molecular movements in the range of glass transition by the final thermally stimulated discharge current technique

  Neagu, E., Dias, C. J. M. M., Igreja, R. A. G. B. D. N., Lança, M. D. C. H. & Inácio, P. A. D. R. F., 1 Jan 2010, IEEE International Conference on Solid Dielectrics-ICSD. p. 0

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
• 2006

  Development of an ultrasonic motor based on a piezoelectric ceramic sandwiched between two laminate composite plates

  Basílio, A., Igreja, R., Inácio, P., Dias, C. & Marat-Mendes, J., 1 Dec 2006, Advanced Materials Forum III - Proceedings of the 3rd International Materials Symposium 2005 and 12th Encontro da Sociedade Portuguesa de Materiais - SPM. Vilarinho, P. M. (ed.). Pt. 1 ed. Trans Tech Publications, p. 221-224 4 p. (Materials Science Forum; vol. 514-516, no. PART 1).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Piezoelectric ceramics 100%
  • piezoelectric ceramics 80%
  • laminates 67%
  • Laminates 65%
  • Ultrasonics 61%

• Organic vapour discrimination using sorption sensitive chemocapacitor arrays

  Igreja, R. & Dias, C. J., 1 Dec 2006, Fast Software Encryption - 14th International Workshop, FSE 2007, Revised Selected Papers. Vilarinho, P. M. (ed.). Pt. 2 ed. Trans Tech Publications, p. 1064-1067 4 p. (Materials Science Forum; vol. 514-516, no. PART 2).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Sorption 100%
  • sorption 93%
  • discrimination 81%
  • Vapors 75%
  • Sampling 69%
  8 Citations (Scopus)
• 2004

  A piezoelectric pseudo-composite polymer film for the detection of proteins

  Inácio, P., Marat-Mendes, J. N. & Dias, C. J. M. M., 1 Jan 2004, Materials Science Forum. Vol. 455-456. p. 411-414 4 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access

  • proteins 100%
  • composite materials 76%
  • polymers 72%
  • piezoelectric crystals 54%
  • surface acoustic wave devices 53%

• Capacitance response of polysiloxane films with interdigital electrodes to volatile organic compounds

  Igreja, R. & Dias, C. J., 28 Jul 2004, Advanced Materials Forum II: Proceedings of the II International Materials Symposium: Materials 2003 and XI Encontro da Sociedade Portugesa de Materials, 2003 . Martins, R., Fortunato, E., Ferreira, I. & Dias, C. (eds.). Trans Tech Publications, Vol. 455-456. p. 420-424 5 p. (Materials Science Forum; vol. 455-456).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • polysiloxanes 100%
  • volatile organic compounds 89%
  • Volatile organic compounds 85%
  • Polysiloxane 80%
  • Silicones 79%
  8 Citations (Scopus)

• Isothermal and non-isothermal DC measurements to analyze space charge behavior in polyamide 11

  Neagu, R. M., Neagu, E., Dias, C. J. M. M. & Marat-mendes, J. N., 1 Jan 2004, MATERIALS SCIENCE FORUM. Vol. 455-456. p. 450-454 5 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access

  • space charge 100%
  • direct current 89%
  • trapping 44%
  • injection 41%
  • charging 26%
• 2003

  Comparative study of dielectric relaxation spectra of electrically and thermally aged low density polyethylene

  Lança, M. D. C. H., Dias, C. J. M. M., Das-Gupta, D. K. & Marat-mendes, J. N., 2003, 2003 Annual Report Conference on Electrical Insulation and Dielectric Phenomena: October 19-22, 2003: Hyatt Regency Albuquerque: Albuquerque, New Mexico, USA. Piscataway: IEEE Dielectrics and Electrical Insulation Society, p. 161-164 4 p. (Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), Annual Report).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Dielectric relaxation 100%
  • Low density polyethylenes 73%
  • Aging of materials 46%
  • Charge injection 20%
  • Electric space charge 19%
  3 Citations (Scopus)
• 2002

  Dielectric characterization of PEBA and PDMS for capacitive interdigital vapour sensors

  Igreja, R. A. G. B. D. N., Marat-mendes, J. N. & Dias, C. J. M. M., 10 Dec 2002, 11th International Symposium on Electrets (ISE11): 1-3 October 2002 Novotel Hotel, Glen Waverley, Melbourne, Australia: Proceedings. Piscataway: Institute of Electrical and Electronics Engineers (IEEE), Vol. 1. p. 283-286 4 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  Open Access

  • wines 100%
  • fermentation 71%
  • vapors 51%
  • sensors 41%
  • capacitance 41%
  3 Citations (Scopus)

• Smart materials: the functional properties of ceramic/polymer composites and their relation to sol-gel powder preparation

  Igreja, R., Dias, C. J. & Marat-Mendes, J. N., 2 Dec 2002, Advanced Materials Forum I: Proceedings of the 1st International Materials Symposium (Materials 2001). Vieira, T. (ed.). Trans Tech Publications, p. 177-180 4 p. (Key Engineering Materials; vol. 230-232).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Lead titanate 100%
  • Sol-gels 75%
  • Smart Material 73%
  • Intelligent materials 71%
  • Crystallization 62%
  6 Citations (Scopus)

• Very low frequency dielectric relaxation deduced from time domain measurements

  Neagu, E., Marat-Mendes, J. N., Dias, C. J. M. M. & Neagu, R. M., 1 Jan 2002, KEY ENGINEERING MATERIALS. Vol. 230-2. p. 579-582 4 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • very low frequencies 100%
  • charging 36%
  • decay 22%
  1 Citation (Scopus)
• 1999

  Role of crystallisation process of ferroelectric ceramic gels on the electroactive properties of sol-gel ceramic/polymer composites

  Igreja, R., Dias, C. J. & Marat-Mendes, J. N., 1999, Proceedings - International Symposium on Electrets. Institute of Electrical and Electronics Engineers (IEEE), p. 631-634 4 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Ferroelectric ceramics 100%
  • Sol-gels 76%
  • Crystallization 63%
  • Gels 61%
  • Powders 47%
  6 Citations (Scopus)