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Francisco Nivaldo Freire
Francisco Nivaldo Freire
Unknown affiliation
Verified email at ufc.br
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Cited by
Cited by
Year
Structural and dielectric spectroscopy studies of the M-type barium strontium hexaferrite alloys (Ba x Sr1−x Fe12O19)
FMM Pereira, CAR Junior, MRP Santos, RSTM Sohn, FNA Freire, ...
Journal of Materials Science: Materials in Electronics 19, 627-638, 2008
1212008
Hydroxyapatite screen-printed thick films: optical and electrical properties
CC Silva, HHB Rocha, FNA Freire, MRP Santos, KDA Sabóia, JC Góes, ...
Materials Chemistry and Physics 92 (1), 260-268, 2005
572005
Dehydrogenation of ethylbenzene with CO2 to produce styrene over Fe-containing ceramic composites
JCS de Araujo, CBA Sousa, AC Oliveira, FNA Freire, AP Ayala, ...
Applied Catalysis A: General 377 (1-2), 55-63, 2010
412010
Experimental and numerical investigation of a ceramic dielectric resonator (DRA): CaCu3Ti4O12 (CCTO)
AFL Almeida, RR Silva, HHB Rocha, PBA Fechine, FSA Cavalcanti, ...
Physica B: Condensed Matter 403 (4), 586-594, 2008
412008
Structural and electrical properties of TeO2–V2O5–K2O glassy systems
SA Salehizadeh, BMG Melo, FNA Freire, MA Valente, MPF Graça
Journal of Non-Crystalline Solids 443, 65-74, 2016
392016
Dielectric relaxation of BaTiO3 (BTO)–CaCu3Ti4O12 (CCTO) composite screen-printed thick films at low temperatures
PBA Fechine, AFL Almeida, FNA Freire, MRP Santos, FMM Pereira, ...
Materials chemistry and physics 96 (2-3), 402-408, 2006
312006
Microstrip antenna on a high dielectric constant substrate: BaTiO3 (BTO)-CaCu3Ti4O12(CCTO) composite screen-printed thick films
PBA Fechine, A Tavora, LC Kretly, AFL Almeida, MRP Santos, FNA Freire, ...
Journal of electronic materials 35, 1848-1856, 2006
282006
Nanostructured titanium dioxide average size from alternative analysis of Scherrer's Equation
FM Lima, FM Martins, PHF Maia Júnior, AFL Almeida, FNA Freire
Matéria (Rio de Janeiro) 23, e-11965, 2018
272018
Studies of the temperature coefficient of capacitance (TCC) of a new electroceramic composite: Pb(Fe0.5Nb0.5)O3 (PFN)–Cr0.75Fe1.25O3(CRFO)
FNA Freire, MRP Santos, FMM Pereira, RSTM Sohn, JS Almeida, ...
Journal of Materials Science: Materials in Electronics 20, 149-156, 2009
272009
Radio-frequency (RF) studies of the magneto-dielectric composites: Cr0. 75Fe1. 25O3 (CRFO)–Fe0. 5Cu0. 75Ti0. 75O3 (FCTO)
HHB Rocha, FNA Freire, MRP Santos, JM Sasaki, T Cordaro, ...
Physica B: Condensed Matter 403 (17), 2902-2909, 2008
272008
Electrical analysis of niobium oxide thin films
MPF Graça, M Saraiva, FNA Freire, MA Valente, LC Costa
Thin Solid Films 585, 95-99, 2015
262015
Bandwidth enhancement of stacked dielectric resonator antennas excited by a coaxial probe: an experimental and numerical investigation
HHB Rocha, FNA Freire, R Sohn, MG Da Silva, MRP Santos, ...
IET Microwaves, Antennas & Propagation 2 (6), 580-587, 2008
252008
Biocomposites from dwarf-green Brazilian coconut impregnated with cashew nut shell liquid resin
ACH Barreto, AEC Júnior, JEB Freitas, DS Rosa, WM Barcellos, ...
Journal of Composite Materials 47 (4), 459-466, 2013
232013
Effects of potential deposition on the parameters of ZnO dye-sensitized solar cells
VF Nunes, APS Souza, F Lima, G Oliveira, FN Freire, AF Almeida
Materials Research 21, e20170990, 2018
222018
Electrical and dielectric analysis of phosphate based glasses doped with alkali oxides
MPF Graça, BMG Melo, PR Prezas, MA Valente, FNA Freire, L Bih
Materials & Design 86, 427-435, 2015
222015
Power dependent upconversion in Er3+/Yb3+ co-doped BiNbO4 phosphors
AJM Sales, DG Sousa, HO Rodrigues, MM Costa, ASB Sombra, ...
Ceramics International 42 (6), 6899-6905, 2016
212016
Temperature dependent upconversion and spectroscopic properties of Nd3+ doped barium bismuth tellurite glasses
K Pavani, SR Gavinho, M Seshadri, V Anjos, MJV Bell, FN Freire, ...
Journal of Non-Crystalline Solids 498, 89-94, 2018
192018
Structural, electrical and dielectric characterization of TeO2–WO3–Y2O3–Er2O3–Yb2O3 glasses
PR Prezas, MJ Soares, FNA Freire, MPF Graça
Materials Research Bulletin 68, 314-319, 2015
172015
Dielectric resonator antenna: Operation of the magnetodielectric composites Cr0.75Fe1.25O3 (CRFO)/Fe0.5Cu0.75Ti0.75O3 (FCTO)
HHB Rocha, FNA Freire, RCS Costa, RSTM Sohn, G Orjubin, C Junqueira, ...
Microwave and Optical Technology Letters 49 (2), 409-413, 2007
152007
Study of structural, electrical, and dielectric properties of phosphate-borate glasses and glass-ceramics
BMG Melo, MPF Graça, PR Prezas, MA Valente, AF Almeida, FNA Freire, ...
Journal of Applied Physics 120 (5), 2016
132016
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Articles 1–20