Get started
Author

V. F. Freitas

Observed names: Freitas, Valdirlei, Freitas, Valdirlei Fernandes, V.F. Freitas, Valdirlei Fernandes Freitas, Valdirlei F. Freitas, Valdirlei Fernandes Freitas, Valdirlei Fernandes de Freitas
ORCID: 0000-0003-2304-5351
Observed ORCID: 0000-0003-2304-5351
OpenAlex ID: A5002682465
Structural, microstructural and magnetic investigations in high-energy ball milled BiFeO3 and Bi0.95Eu0.05FeO3 powders
2007 · V.F. Freitas, H.L.C. Grande, et al. · Journal of Alloys and Compounds · 79
Ferroic states in La doped BiFeO3-PbTiO3 multiferroic compounds
2012 · L. F. Cótica, F. R. Estrada, et al. · Journal of Applied Physics · 55
Piezoelectric Characterization of (0.6)BiFeO 3 –(0.4)PbTiO 3 Multiferroic Ceramics
2010 · Valdirlei F. Freitas, Ivair A. Santos, et al. · Journal of the American Ceramic Society · 51
Synthesis and multiferroism in mechanically processed BiFeO3–PbTiO3 ceramics
2011 · Valdirlei Fernandes Freitas, Luiz Fernando Cótica, et al. · Journal of the European Ceramic Society · 45
Lead-free NaNbO3-based ferroelectric perovskites and their polar polymer-ceramic composites: Fundamentals and potentials for electronic and biomedical applications
2022 · J.M. Rosso, E.A. Volnistem, et al. · Ceramics International · 39
4th Generation Biomaterials Based on PVDF-Hydroxyapatite Composites Produced by Electrospinning: Processing and Characterization
2022 · Gabriel Grube dos Santos, Milena Schroeder Malherbi, et al. · Polymers · 36
PDF
Polyvinylidene fluoride/hydroxyapatite/β-tricalcium phosphate multifunctional biocomposite: Potentialities for bone tissue engineering
2017 · Taiana G.M. Bonadio, Valdirlei F. Freitas, et al. · Current Applied Physics · 35
PDF
Structural phase relations in perovskite-structured BiFeO3-based multiferroic compounds
2013 · Valdirlei Fernandes Freitas, Gustavo Sanguino Dias, et al. · Journal of Advanced Ceramics · 35
PDF
Structural, microstructural and Mössbauer spectral study of the BiFe1−Mn O3 mechanosynthesized system
2006 · I.A. Santos, H.L.C. Grande, et al. · Journal of Non-Crystalline Solids · 35
Simple and facile approach to synthesize magnetite nanoparticles and assessment of their effects on blood cells
2011 · Luiz F. Cótica, Valdirlei F. Freitas, et al. · Journal of Magnetism and Magnetic Materials · 31
PDF
Cobalt-modified Brazilian bentonites: Preparation, characterisation, and thermal stability
2010 · L.F. Cótica, V.F. Freitas, et al. · Applied Clay Science · 30
PDF
Nanostructured Nb2O5–natural hydroxyapatite formed by the mechanical alloying method: A bulk composite
2011 · W.J. Nascimento, T.G.M. Bonadio, et al. · Materials Chemistry and Physics · 28
Thermal Decomposition Synthesis and Assessment of Effects on Blood Cells and In Vivo Damages of Cobalt Ferrite Nanoparticles
2014 · Luiz F. Cotica, Valdirlei F. Freitas, et al. · Journal of nano research · 27
High-resolution structural studies and covalent bond interactions in BiFeO3-PbTiO3 compounds: The role of ferroism
2012 · L. F. Cotica, V. F. Freitas, et al. · Applied Physics Letters · 26
On the effects of dislocations on the magnetism of BiFeO3 nanoparticles
2021 · Eduardo Azzolini Volnistem, Lívia Macková, et al. · Journal of Alloys and Compounds · 22
Multiferroic Behavior of Lead-free AlFeO3and Mn, Nb Doped Compositions
2014 · G. M. Santos, D. M. Silva, et al. · Ferroelectrics · 20
A phenomenological model for ferroelectric domain walls and its implications for BiFeO 3 –PbTiO 3 multiferroic compounds
2013 · Valdirlei F. Freitas, Otávio A. Protzek, et al. · Journal of Materials Chemistry C · 17
Enhanced mechanical properties and osseointegration features of CaNb2O6–PNb9O25–Ca3(PO4)2 triphasic nanostructured bioceramics derived by optimised sinterization of Nb2O5 and natural hydroxyapatite-β-tricalcium phosphate
2020 · T.G.M. Bonadio, E.R. Fiorentin, et al. · Ceramics International · 15
Overlap of the intrinsic and extrinsic magnetoelectric effects in BiFeO3-PbTiO3 compounds: Potentialities for magnetic-sensing applications
2013 · D. Z. Montanher, V. F. Freitas, et al. · Journal of Applied Physics · 14
Highly resistive fast-sintered BiFeO3ceramics
2016 · G. S. Dias, I. B. Catellani, et al. · Integrated ferroelectrics · 13
Electrically stimulated bioactivity in hydroxyapatite/β-tricalcium phosphate/polyvinylidene fluoride biocomposites
2022 · Milena S. Malherbi, Luciano C. Dias, et al. · Journal of Materials Research and Technology · 12
PDF
Intrinsic features of the magnetoeletric coupling mechanism in displacive multiferroics
2013 · V. F. Freitas, D. Z. Montanher, et al. · Journal of Applied Physics · 12
Polyvinylidene fluoride – Hydroxyapatite 0–3 biocomposite filaments processed by twin-screw extrusion
2021 · L.E.J. Silva, E.A. Volnistem, et al. · Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials · 11
Dielectric and structural features of the environmentally friendly lead-free PVDF/Ba0.3Na0.7Ti0.3Nb0.7O3 0-3 composite
2016 · Ivair A. Santos, Jaciele M. Rosso, et al. · Current Applied Physics · 11
On the microscopic mechanism for the stabilization of structural and ferroic states in displacive multiferroics
2013 · V. F. Freitas, T. G. M. Bonadio, et al. · Journal of Applied Physics · 11
Works count: 62
Citation count: 828
H-index: 17
I10-index: 26
Year
Topic
Type