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Group of Ferroelectrics and Multifuntcional Materials

Institute of Physics

UFU

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Research

Basic Properties

Spontaneous polarization

Ferroelectricity

Phase transition

Piezoelectricity

Pyroelectricity

Multiferroics

Research Areas

Electroceramics

  • Dielectrics
  • Ferroelectrics
  • Pyroelectrics
  • Piezoelectrics
  • Antiferroelectrics

Thin Films

  • Tunable dielectrics
  • Resonators
  • Photo-ferroelectrics
  • Harvesters and storage energy devices
  • Photoelectrochemical (PEC) and photovoltaic cells and photodiodes

Glass-ceramics

  • Optical amplifiers
  • Optical transmission systems
  • Ultrasonic-light deflectors

Nanoparticles Compounds

  • Magneto-electrics
  • Multiferroics
  • Bio-multiferroics

Research Topics

  • Synthesis and processing of ferroelectric, ferromagnetics and multifunctional materials
  • Development of piezoelectric materials with technological interest
  • Characterization and phenomenological analyses of ferroelectric thin films and ceramics
  • Phase transitions analyses in ferroelectrics and related materials
  • Development of lead-free ferroelectric systems for energy harvesting devices
  • Dispersion and linear /non-linear dielectric properties in ferroelectric materials
  • Impedance Spectroscopy applied to the ferroelectrics and related systems
  • Develeopment of nanoparticle multiferroic systems for biomedical applications
  • Processing and characterizations of glass-ceramic ferroelectric composites
  • Ferroelectrics and related sistems for high-frequency tunable devices
  • Study of ferroelectric materials with semiconductor properties
  • Photoelectrochemical (PEC) cells and artificial photosynthesis

Research Projects

  1. Synthesis and investigation of the physical properties of antiferroelectric systems based materials for energy storage devices. FAPEMIG–Universal. Contract Nº TEC-APQ-02875-18.
  2. Physical properties of BFO-modified multiferroic ceramics – Effect of rare-earth cations size. CNPq AVG. Contract Nº 422268/2018-4.
  3. Synthesis and investigation of the physical properties of nano-structured ceramics and thin films. FAPEMIG–PPM-X. Contract No TEC-PPM-00661-16.
  4. Synthesis and characterization of Bi1-xLaxFeO3 thin films for boimedical applications. CNPq PIBIC. Contract Nº 02/2018.
  5. Antiferroelctrics Systems for Energy Harvesting. CLAF – Contract Nº N112.
  6. Estudy of the phases transition in rare-earth modified PZT system. PIBIC – FAPEMIG/2015-0018.
  7. Synthesis and physical properties of ferroelectric materials with technological interest. FAPEMIG – Universal. Contract Nº APQ-02646-14.
  8. Study of the physical properties of piezoelectric materials for application in the aeronautical industry. PIBIC – FAPEMIG/2015-0198.
  9. Development and study of anti-ferroelectric materials for aplication in energy harvesting devices. CNPq – Contract Nº 401072/2014-2.
  10. Synthesis of nano-structured ferroelectric materials with technological interest. CNPq – Universal – B. Contract Nº 477604/2012-9.
  11. Synthesis and improvement of the properties of lead-free magnetoelectric composites. FAPESP – Contract Nº 2013/00134-7. (Coordinator: Prof. Dr. Michel Venet Zambrano, UFSCar, SP)
  12. Studies on the conduction properties of barium hexaferrite (BaM) based multiferroic ceramics. FAPEMIG – PEE. Contract Nº PEE-01248-13.
  13. Electric and microwaves properties of ferroelectric materials for practical applications. CNPq – PDE. Contract Nº 245370/2012-9.
  14. Implementation of the piezoelectricity technique for characterization of materials with technological interest. CNPq – PIBIC. Contract Nº 2013-EXA024.
  15. Synthesis and characterization of ferroelectric materials with semiconductor properties. CNPq – PQ. Contract Nº 310972/2012-4.
  16. Implementation of the thermoelectric-analysis (TEA) technique for the study of the phase transitions in ferroelectrics. FAPEMIG – PIBIC. Contract Nº 2013-EXA032.
  17. Implementation of the pyroelectricity technique for the study of the phase transitions in ferroelectrics. CNPq – PIBIC. Contract Nº 2012-EXA012
  18. Synthesis, process and characterization of ferroelectric ceramics for technological interest. Contract Nº 470735/2011-2.
  19. Synthesis and electrical properties of multiferroic-like PZT/BaFe12O19 . Contract Nº AEX 4684/2011-7.
  20. Investigation of the dielectric properties PbTiO3 based ferroelectric systems for practical applications. UFU – Edital PROPP Nº 04/2011.
  21. Synthesis and characterization of ferroelectric and multiferroic materials. FAPEMIG – PPM. Contract Nº TEC-00342-10.
  22. Preparation, characterization and phenomenology of ferroelectric materials with semiconductor properties. CNPq – Master/Doctoral Degree. Contract Nº 558590/2010-1.
  23. Characterization and phenomenology of ferroelectric materials for application in electro-electronic devices. FC/CAPES: Brazil/Spain Researchers Mobility. Contract Nº C.2010.
  24. Investigation of the linear and non-linear dielectric properties in ferroelectric materials. UFU – PROPP. Contract Nº 03/2009
  25. Characterization and phenomenology of ferroelectric materials for application in electro-electronic devices. FAPEMIG – PPP. Contract Nº APQ-00199-09.
  26. Characterization and phenomenology of ferro-electromagnetic materials. CNPq – Mater/Doctoral Degree. Contract Nº 555496/2009-0.
  27. Dielectric relaxation related to single-ionized oxygen vacancies in (Pb1-xLax)(Zr0.90Ti0.10)1-x/4O3 ceramics. FAPEMIG – PEE. Contract Nº CEX-00651/09.
  28. DC electric field induced dielectric anomalies in PMN–PT ferroelectric ceramics. CNPq – AVG. Contract Nº 450500/2010-1.
  29. Latin-american Network of Ferroelectrics – NET43. ICTP, Trieste, Italy.

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