Writers: R. A. Silva and M. O. Orlandi Keywords: Sensor; Nanostructures; Synthesis Abstract: ZnO nanostructures were synthesized using two different routes and the light sensor response of structures was studied. The synthesis by carbothermal reduction resulted in ZnO tetrapods […]
Writers: Ivo M. Pinatti and Tatiana M. Mazzo and Rosana F. Gonçalves and José A. Varela and Elson Longo and Ieda L.V. Rosa Keywords: Hydrothermal Microwave; Calcium titanate; Samarium; Photoluminescence Abstract: Calcium titanate (CaTiO3 – CT) and samarium […]
Writers: Tiago G. Conti; Adenilson J. Chiquito and Edson R. Leite Keywords: Films; Electrical properties; nanocrystals Abstract: In the present work, we are investigating the electronic transport mechanism for antimony-doped tin oxide (ATO) ultrathin films produced by a colloidal deposition process […]
Writers: Roman Alvarez Roca and Pablo S. Lemos and Juan Andrés and Elson Longo Keywords: nanoparticles; metastable; microcrystals; electron irradiation Abstract: In the present work, an easy precipitation method without presence of surfactants is applied to the synthesis of the hexagonal […]
Writers: F. B. Destro, M. Cilense, M. P. Nascimento, F. González Garcia, L. R. O. Heina, and A. Z. Simões Keywords: films Abstract: This study examines the effect of film thickness ranging from 230 to 404 nm […]
Writers: M M Ferrer, A F Gouveia, L Gracia, E Longo and J Andrés Keywords: morphology, Wulff construction, surface energy, Co3O4, α-Fe2O3, In2O3 Abstract: Essentially, the exposed crystal planes of a given material, which primarily determine their morphology, tremendously […]
Writers: M.D.P. Silva and R.F. Gonçalves and I.C. Nogueira and V.M. Longo and L. Mondoni and M.G. Moron and Y.V. Santana and E. Longo Keywords: Ag2WO4; Ag2MoO4; Photoluminescence; Morphology; Raman spectroscopy Abstract: Ag2W1 -xMoxO4 (x = 0.0 and 0.50) powders were […]
Writers: M M Ferrer and A F Gouveia and L Gracia and E Longo and J Andrés Keywords: crystal; surface energies; surface chemistry Abstract: Essentially, the exposed crystal planes of a given material, which primarily determine their morphology, […]
Writers: HERRERA, A.; FERNANDES, R. G.; CAMARGO, Andrea Simone Stucchi de; HERNANDES, Antonio Carlos; BUCHNER, S.; JACINTO, C.; BALZARETTI, N. M. Keywords: Photoluminescence; oxide; glass Abstract: A highly transparent Sm3+ glass with composition B2O3–PbO–Bi2O3–GeO2 was obtained by the traditional […]
Writers: Marcelo Moizinho Oliveira , Pedro Alberto Pavão Pessoa, Ronilson Lopes Brito, José Hilton Gomes Rangel, Jomar Sales Vasconcelos, Elson Longo. Keywords: electrical properties; WO3; varistors Resumo: Varistores são elementos que fazem parte do sistema de transmissão e distribuição de energia elétrica ou de […]
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