Zobrazeno 1 - 10
of 24
pro vyhledávání: '"M. R. D. Bomio"'
Autor:
I. A. Bezerra Neta, N. F. Andrade Neto, J. M. P. Silva, M. D. Teodoro, M. R. D. Bomio, F. V. Motta
Publikováno v:
International Journal of Ceramic Engineering & Science, Vol 5, Iss 6, Pp n/a-n/a (2023)
Abstract Pure ZnO particles, doped and co‐doped with Cu2+ and Mg2+ ions, were obtained by the simple sonochemical method. The wurtzite hexagonal structure was confirmed by X‐ray diffraction (XRD) patterns. The images obtained by field emission sc
Externí odkaz:
https://doaj.org/article/1cce721f8cab4249ac269170e1690627
Autor:
T. B. O. Nunes, N. F. Andrade Neto, L. M. P. Garcia, R. M. Nascimento, M. R. D. Bomio, F. V. Motta
Publikováno v:
Cerâmica, Vol 66, Iss 378, Pp 145-153 (2020)
Abstract TiO2-CeO2 multilayer thin films were deposited by the spin coating method and calcined at 500 and 700 °C. Thin films were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), atomic force microscop
Externí odkaz:
https://doaj.org/article/12657922e348418198892169032a3034
Publikováno v:
Cerâmica, Vol 65, Iss 376, Pp 515-522 (2019)
Abstract In this study, thin films of Eu3+, Tb3+ and Tm3+ doped CeO2 in the proportions of 2 and 4 mol% were obtained by spin coating and calcined at 700 °C. The films were characterized by XRD, SEM, AFM and UV-vis techniques. The photocatalytic act
Externí odkaz:
https://doaj.org/article/38f6d2853cac46189b400ea1a5e82e1d
Autor:
V. D. Araújo, M. R. B. Andreeta, L. J. Q. Maia, R. M. Nascimento, F. V. Motta, M. R. D. Bomio, C. A. Paskocimas, M. I. B. Bernardi
Publikováno v:
Cerâmica, Vol 61, Iss 357, Pp 118-125 (2015)
PbCrO4 and Pb2CrO5 particles were synthesized by the polymeric precursor method. Structural and microstructural properties of the particles were characterized by scanning electron microscopy with field emission gun, X-ray diffraction, and Raman spect
Externí odkaz:
https://doaj.org/article/03d5214191174d59978745bf63a7ec95
Publikováno v:
Cerâmica, Vol 50, Iss 313, Pp 58-61 (2004)
Nanofitas de óxido de estanho com diferentes estados de oxidação foram produzidas pelo método de redução carbotérmica a 1260 ºC. As nanoestruturas foram caracterizadas por difração de raios X, microscopia eletrônica de varredura e espectro
Externí odkaz:
https://doaj.org/article/bf2694cdeec94c9ab0b7afba098c971b
Autor:
L. G .P. Simões, M. O. Orlandi, A. L. Araujo, M. R. D. Bomio, E. R. Leite, E. Longo, J. A. Varela
Publikováno v:
Cerâmica, Vol 49, Iss 312, Pp 232-236 (2003)
A proposta deste trabalho foi o estudo e a obtenção de uma cerâmica densa à base de SnO2 dopada com CoO, Ta2O5 e diferentes concentrações de Pr2O3. Os sistemas apresentaram elevados valores de densidade relativa, e propriedades não ôhmicas. A
Externí odkaz:
https://doaj.org/article/ea3895cbf5574c50bfcd0fc09bddae7f
Autor:
L. X. Lovisa, D. F. Dos Santos, A. A. G. Santiago, M. Siu Li, E. Longo, F. V. Motta, M. R. D. Bomio
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Publikováno v:
Dalton Transactions. 51:18234-18247
Synthesis methods and characterization of indium-doped calcium tungstate particles.
Autor:
L. X. Lovisa, T. B. O. Nunes, R. R. Y. O. V. Wilson, E. Longo, M. Daldind, M. R. D. Bomio, F. V. Motta
Publikováno v:
Dalton Transactions. 51:17700-17710
This study consists of the synthesis of zinc-doped Bi2WO6 obtained by the sonochemical method.
Publikováno v:
Cerâmica, Volume: 65, Issue: 376, Pages: 515-522, Published: 14 NOV 2019
Cerâmica v.65 n.376 2019
Cerâmica (São Paulo. Online)
Universidade de São Paulo (USP)
instacron:USP
Cerâmica, Vol 65, Iss 376, Pp 515-522 (2019)
Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
Cerâmica v.65 n.376 2019
Cerâmica (São Paulo. Online)
Universidade de São Paulo (USP)
instacron:USP
Cerâmica, Vol 65, Iss 376, Pp 515-522 (2019)
Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
In this study, thin films of Eu3+, Tb3+ and Tm3+ doped CeO2 in the proportions of 2 and 4 mol% were obtained by spin coating and calcined at 700 °C. The films were characterized by XRD, SEM, AFM and UV-vis techniques. The photocatalytic activity of