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  1. Compact triple-band PIFA with high bandwidth and gain for multiple mobile services

    Article • Microwave and Optical Technology Letters, September 2016, Wiley

    Ronaldo Glauber Maia de Oliveira

  2. Design and simulation of Na2 Nb4 O11 dielectric resonator antenna added with Bi2 O3 for microwave applications

    Article • Microwave and Optical Technology Letters, March 2016, Wiley

    Ronaldo Glauber Maia de Oliveira

  3. Impedance spectroscopy study of Na2Nb4O11 ceramic matrix by the addition of Bi2O3

    Article • Journal of Alloys and Compounds, January 2014, Elsevier

    Ronaldo Glauber Maia de Oliveira

  4. Impedance spectroscopy study of TiO2 addition on the ceramic matrix Na2Nb4O11

    Article • Journal of Materials Science Materials in Electronics, October 2013, Springer Science + Business Media

    Ronaldo Glauber Maia de Oliveira