Zobrazeno 1 - 4
of 4
pro vyhledávání: '"S. L. Porto"'
Autor:
Elson Longo, S. L. Porto, Valeria M. Longo, José Arana Varela, J. W. M. Espinosa, Laécio S. Cavalcante, Emmanuelle Orhan
Publikováno v:
Chemical Physics
Chemical Physics, Elsevier, 2007, 334, pp.180-188. ⟨10.1016/j.chemphys.2007.02.025⟩
Chemical Physics, Elsevier, 2007, 334, pp.180-188. ⟨10.1016/j.chemphys.2007.02.025⟩
International audience; Visible photoluminescence (PL) was observed for the first time at room temperature in structurally disordered calcium strontium tungstate powder, Ca0.60Sr0.40WO4 (CSW), obtained by the polymeric precursor method. The PL behavi
Autor:
Elson Longo, M. R. Cassia-Santos, Carlos A. Paskocimas, Luiz E. B. Soledade, A. G. Souza, S. J. G. Lima, Ieda M. G. Santos, S. L. Porto
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 79:401-406
In the recent years, the interest concerning to the synthesis of complex oxides, to be applied as electronic ceramics is continuously increasing. One good example is strontium titanate, displaying a perovskite structure, which favors the occurrence o
Autor:
V. J. Fernandes, Shiva Prasad, José Carlos Oliveira Santos, Antonio G. Souza, Marta Maria da Conceição, S. L. Porto, Antonio S. Araujo, Ieda M. G. Santos, Maria F. S. Trindade
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 75:419-428
Thermoanalytical, kinetic and rheological parameters of commercial edible oils were evaluated. The thermal decomposition of the oils occurred in three steps, due to polyunsaturated, monounsaturated and saturated fatty acids decomposition, respectivel
Autor:
S. L. Porto, J. W. M. Espinoza, S. J. G. Lima, T. M. Boschi, M. A. M. A. Maurera, I. M. G. Santos, Elson Longo, M. R. Cassia-Santos, Carlos A. Paskocimas, Luiz E. B. Soledade, Paulo S. Pizani, A. G. Souza, L. G. P. Simoes, Jailson Machado Ferreira
Publikováno v:
Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
In this work, a study was undertaken about the structural and photoluminescent properties, at room temperature, of powder samples from the CaxSr1−xWO4 (x=0–1.0) system, synthesized by a soft chemical method and heat treated between 400 and 700 °
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e0e1128c0767ecd6dc41fb05514195e
https://repositorio.ufrn.br/handle/123456789/32189
https://repositorio.ufrn.br/handle/123456789/32189