Search Results - "Silva, Raphael Lucas de Sousa"

Raman spectroscopy study of structural disorder degree of ZnO ceramics by Silva, Raphael Lucas de Sousa e, Franco Jr, A.

“…A detailed study of Raman line-shape of low and high dense ZnO ceramics was carried out using a Raman microprobe system with a solid-state laser source of…”
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Role of Gd3+ ions on the magnetic hyperthermic behavior of anisotropic CoFe2O4 nanoparticles by Pereira, Lorraine Gomes, Lucas de Sousa e Silva, Raphael, Banerjee, P., Franco, A.

“…In this paper gadolinium doped CoGdxFe2-xO4 MNPs with the presence of nitrogen residue at the interstitial sites were synthesized with combustion reaction…”
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Luminescent and Magnetic Properties of Fe3O4@SiO2:phen:Eu3 by Silva, Raphael Lucas de Sousa, Figueiredo, Alberthmeiry Teixeira de, Barrado, Cristiano Morita, Sousa, Marcelo Henrique

“…Magnetite was doped with rare earth ions (europium) to produce core-shell materials with both magnetic and luminescent properties, i.e., a magnetic Fe3O4 oxide…”
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Raman spectroscopy study of Ga-doped ZnO ceramics: An estimative of the structural disorder degree by Miranda, Gabriela Gomes, de Sousa e Silva, Raphael Lucas, dos Santos Pessoni, Hermínia Veridiana, Franco, A.

“…The structural disorder degree of Ga-doped ZnO (Zn1−xGaxO, with x=0.005,0.01,0.02,and 0.03) ceramics was investigated by means of Raman spectroscopy analyzes…”
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Role of Ga presence into the heterojunction of metal oxide semiconductor on the stability and tunability ZnO ceramics by Miranda, Gabriela Gomes, Lucas de Sousa e Silva, Raphael, Banerjee, Prasun, Franco, A.

“…In this study we investigated the stability and tunability of Zn1−xGaxO ceramics obtained by using the pressure-less solid state reaction method. Analysis…”
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Effect of porosity on dielectric properties of ZnO ceramics by de Sousa e Silva, Raphael Lucas, Franco, A.

“…In this study we investigated the effect of porosity level on the dielectric properties and conductivity of ZnO ceramic samples sintered by pressure-less…”
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Effects of defect dipoles on the colossal permittivity of ambipolar co-doped rutile TiO 2 ceramics by Oliveira de Lira, Stefane, de Sousa e Silva, Raphael Lucas, Banerjee, P., Franco, A.

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Luminescent and Magnetic Properties of Fe^sub 3^O^sub 4^@SiO^sub 2^:phen:Eu^sup 3 by Silva, Raphael Lucas De Sousa, De Figueiredo, Alberthmeiry Teixeira, Barrado, Cristiano Morita, Sousa, Marcelo Henrique

“…Magnetite was doped with rare earth ions (europium) to produce core-shell materials with both magnetic and luminescent properties, i.e., a magnetic Fe3O4 oxide…”
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Effects of defect dipoles on the colossal permittivity of ambipolar co-doped rutile TiO2 ceramics by Oliveira de Lira, Stefane, de Sousa e Silva, Raphael Lucas, Banerjee, P., Franco, A.

“…This study investigated the colossal permittivity of ambipolar co-doped rutile TiO2 ceramics obtained using the solid state sintering method for use as…”
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Investigation of Fe-doped room temperature dilute magnetic ZnO semiconductors by Simões Valentin, Carolyne Beatriz, de Sousa e Silva, Raphael Lucas, Banerjee, P., Franco, A.

“…Different ceramics sample of Zn1−xFexO (ZFO) series have been sintered by solid state reaction method. Single phase polycrystalline Fe-doped ZnO sample with…”
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